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Article

Does Cryptocurrency Hurt African Firms?

1
Department of Economics, American University in Cairo, New Cairo 11835, Egypt
2
Department of Management, American University in Cairo, New Cairo 11835, Egypt
*
Author to whom correspondence should be addressed.
Risks 2022, 10(3), 53; https://doi.org/10.3390/risks10030053
Submission received: 20 January 2022 / Revised: 13 February 2022 / Accepted: 18 February 2022 / Published: 1 March 2022
(This article belongs to the Special Issue Cryptocurrencies and Risk Management)

Abstract

:
This paper aimed to assess the effect of the cryptocurrency market on firms’ market value, especially on the sectoral level, in Africa. To reach the study’s main goal, the authors adopted the Panel-Corrected Standard Errors (PCSEs) and Panel Double-Clustered Standard Errors (PDCSEs). Using firm-level data, the results of this study can be summarized as follows: (a) The cryptocurrency market hurts the firm market value in Africa. (b) The firms operating across different sectors respond disproportionally to the cryptocurrency market. For instance, the sectors that offer low returns in Africa (industrial, energy, financial) negatively respond to the cryptocurrency market, while the sectors that offer high returns (real estate and information technology) are not significantly affected. (c) The cryptocurrency market has a perverse effect on less experienced and highly indebted firms. (d) The consistent policies of governments to ban cryptocurrency do not work efficiently.
JEL Classification:
B26; G11; G32

1. Introduction

Over the last decade, cryptocurrency transactions in Africa have considerably increased. By December 2021, the cryptocurrency users in this region reached 32 million, representing 2.6% of the continent’s population (TripleA 2021). Given that Africa accounts for 60% of worldwide mobile money transactions, future cryptocurrency transactions in Africa are expected to increase (Masie 2021).
Previous studies suggested the prominence of a significant relationship between the cryptocurrency market and many macroeconomic and financial indices (Dyhrberg 2016; Kostika and Laopodis 2019; Trabelsi 2018; Sami and Abdallah 2020a, 2020b). Relative to these studies, this paper examines four main questions. (1) Does the cryptocurrency market effect overpass the macroeconomic frontiers to affect the microeconomic entities (i.e., firms) in Africa? (2) If so, how are African firms affected? (3) Do all firms operating across different sectors respond similarly to cryptocurrency market movements? (4) How do the firm characteristics (e.g., experience) and internal policies (e.g., debt policy) shape this effect?
Several reasons made Africa an interesting region to be covered in this study. First, African countries have struggled with infrastructure issues for a long period. This vital challenge has consistently affected the investors’ returns (Möykkynen and Pantelias 2021). Conspicuously, the continent remains challenged in securing a suitable level of financial services. By 2021, we note that 57% of the continent’s citizens were still unbanked. Currently, cryptocurrency networks have become more user-friendly than traditional banking and money-transfer systems. Second, Africa has the world’s largest share of retail-sized transfers in the cryptocurrency market, accounting for almost 30% of all transactions.(ChainAnalsysis 2020), compared with other worldwide regions, whose retail-sized transfers are below 20%. Third, many African countries have the most significant share of cryptocurrency users globally. For example, cryptocurrency users account for 8.5%, 7.1%, and 6.3% of the population in Kenya, South Africa, and Nigeria, respectively. (TripleA 2021).
The authors exported African firm data from Datastream. They compiled them with cryptocurrency data from CoinDesk over the period 2013-2021 monthly. The methodology was based on the Panel-Corrected Standard Errors (PCSEs) and the Panel Double-Clustered Standard Errors (PDCSEs) to overcome serial autocorrelation, cross-sectional dependence, and heteroskedasticity problems.
The results of this study can be summarized as follows: First, the cryptocurrency market has adverse effects on African firms. African investors are drawn to the cryptocurrency market for its attractive returns. The behavior of those investors is likely to affect the African firms’ market value. Second, the firms operating across different sectors do not respond similarly to the cryptocurrency market. For instance, the sectors that faced low returns over the last decade in Africa (e.g., energy, financial, industrial) are the top sectors struggling with the perverse effects of the cryptocurrency market. On the other hand, the competitive sectors that realized high returns (e.g., real estate and information technology) are not significantly affected1.The experienced firms in the market and those with modest debt levels are noticeably less affected than the less experienced and heavily indebted firms. Finally, government regulations limiting cryptocurrency transactions are ineffective.
The remainder of the paper is organized as follows. A review of the chosen literature is presented in Section 2. The methodology and data are described in Section 3. The empirical findings are presented in Section 4. Robustness checks are presented in Section 5. Section 6 provides the conclusions.

2. Literature Review

A strand of research has focused on studying the cryptocurrency market’s interaction with other financial and macroeconomic assets. Bouri et al. (2018) studied the return and volatility spillover between cryptocurrency and four traditional financial assets (stocks, commodities, currencies, and bonds). Their findings proved that the cryptocurrency market is not isolated and connected to other assets, in particular commodities. In terms of co-skewness and the linkage of market returns to the cryptocurrency market, Matkovskyy and Jalan (2019) discovered significant contagion impacts from five equity indices. They concluded that risk-averse investors drop risky cryptocurrency markets from their portfolios and invest in safe financial market assets during a crisis. Using the quantile cross-spectral approach, Baumöhl (2019) examined the connectedness between forex and cryptocurrencies. This analysis revealed a negative relationship between these two assets. Thus, investors can benefit from diversification by investing in both assets simultaneously. More recently, Yang (2020) confirmed a significant nonlinear relationship between cryptocurrency and Taiwan’s stock market.
Jareño et al. (2020) analyzed the sensitivity between the return of cryptocurrencies and traditional financial assets. They found that the returns of the U.S. stock market and gold were strongly correlated with the returns of cryptocurrencies. On the contrary, cryptocurrencies’ returns were negatively correlated with the nominal interest rates and oil returns in high and low quantiles, respectively. Thus, cryptocurrency can act as a safe-haven asset during financial distress. Using a DCC GARCH model analysis, Rudolf et al. (2021) examined the feasibility of cryptocurrencies as an alternative hedging investment to gold and major stock indices. They showed that cryptocurrencies compete with gold and can be considered virtual gold. More recently, Doumenis et al. (2021) showed that cryptocurrencies’ returns had a relatively high level of volatility compared to other financial assets (S& P 500, gold, and treasury bonds). They also found a positive correlation between the volatility of cryptocurrencies’ prices and the three financial assets before and during the COVID-19 pandemic. The authors highlighted that cryptocurrencies are often identified as a new digital gold (speculative investment asset) and do not appear to function as a currency. As a global picture, these studies concluded that the volatility of cryptocurrency market capitalization impacts various financial assets, and thus, firms might be affected.
On the other hand, Trabelsi (2018) examined the connectedness between cryptocurrency markets and conventional assets (traditional currencies, stock market indices, and commodities). The author provided evidence of no significant spillover between cryptocurrencies and other financial asset markets. Kostika and Laopodis (2019) did not find significant short or long stochastic trends between cryptocurrencies and traditional financial assets (stock returns and exchange rates). Zeng et al. (2020) obtained similar findings that cryptocurrencies have a weak correlation with conventional financial assets (stocks, oil, and gold). Gil-Alana et al. (2020) also investigated the bilateral linkages between six cryptocurrencies and six stock market indexes. They found no co-integration between cryptocurrencies and the stock market indices.
Investors’ choice to maintain an efficient portfolio will remain a key channel through which the cryptocurrency market affects macroeconomic and financial indicators, as well as the micro-entities such as firms. The ultimate goal of any investor is to construct a portfolio that combines assets that maximize portfolio returns with an acceptable level of risk. During the 2000s, Cryptocurrencies’ inclusion in traditional portfolios containing stocks and bonds received substantial attention from investors, policy-makers, and researchers (Sami and Abdallah 2020a). The investment pattern of the individuals can explain this attention. Conspicuously, investment decisions are a function of observable market characteristics, such as prices, volumes, and market capitalizations, rather than fundamental values such as accounting or economic data. Despite prominent volatility, their high average returns and low correlations have established cryptocurrencies as alternative investment assets for portfolio and risk management (Petukhina et al. 2021). Corbet et al. (2018) concluded that investors seeking to benefit from short-term diversification should consider the cryptocurrencies’ risk and return behavior with other financial assets. In line with this, Corbet et al. (2020) confirmed the benefit of short-term diversification when examining the relationships between Kodak, cryptocurrency, and stock market index returns. They asserted a significant increase in Kodak’s stock price and volatility following the Kodakcoin announcement. Corbet et al. (2021) showed that cryptocurrency market liquidity increased significantly during the pandemic. They suggested that cryptocurrencies act as safe-haven investments during substantial financial market stress periods. Culjak et al. (2022) confirmed that investors should consider the selected asset’s income ratio dynamics in portfolio construction to identify and quantify the investment risk. Investors’ appetite for achieving the highest possible return in the short term will push them to invest in cryptocurrencies and drop other traditional financial assets, i.e., stocks. Consequently, firms’ stock prices might drop and adversely affect firms. Although many recent studies focused on some countries in the African continent to measure financial, macroeconomic, and social indicators (Said et al. 2019), few studies are focusing on cryptocurrencies and their potential effects. The existent ones predict an important expansion in the cryptocurrency market. For instance, Mazambani and Mutambara (2020) predicted that South African investors have a high probability of adopting and expanding their investments in cryptocurrency, while Agbo and Nwadialor (2020) suggested significant impacts of the cryptocurrency market in the African economies, implying a decline in the effectiveness of the major government policies such as the monetary policy. To the authors’ knowledge, no studies have been devoted to assessing cryptocurrencies’ effect on firms, in particular in Africa.

3. Methodology and Data

3.1. Methodology

As the authors dealt with a panel dataset, they started by applying panel regression techniques, mainly fixed and random effects models. To select the most appropriate model, they implemented the Hausman test.
The preceding models have an important limitation: they assume no cross-section and time correlation in the standard errors. To overcome these limitations, Beck and Katz (1995) proposed estimating the error covariance across clustered time periods. This technique efficiently reduces the biasness in the standard errors and is known as Panel-Corrected Standard Errors (PCSEs). Previous studies adopted this methodology by clustering either across time to control serial autocorrelation or firms for cross-sectional dependence. Cameron et al. (2011) and Thompson (2011) introduced the Double Panel-Corrected Standard Errors (DPCSEs) to correct for the two dimensions at the same time.
The purpose of the empirical methodology is to estimate the following model:
Y = Z γ + ϵ
where Y is a vector ( n × 1 ) reflecting the dependent variable, Stock Market Cap (Stock MC), in this case. Z is a matrix ( k × n ) including the independent variables that are firm-specific and country-specific and the cryptocurrency variable. This matrix also includes the individual and time-specific effects. Finally, ϵ is a vector ( n × 1 ) representing the error terms assumed to be independent and identically distributed.
White (1980) defined V ( γ ^ ) as the matrix of the covariance matrix of size ( k × k ) . The specification of this matrix can be written as follows:
V ( γ ^ ) = ( Z T Z ) 1 ( Z T [ σ 2 Ω ] Z ) ( Z T Z ) 1
This matrix is also known as the sandwich matrix, where Ω is a positive definite matrix. The covariance matrix of errors is written in the form σ 2 Ω .
According to Beck and Katz (1995),
Ω = N I T
I T is an identity matrix, and T is the time, where t = 1 , , T , while ^ N can be estimated as follows,
^ N = i = 1 N ϵ ^ t ϵ ^ t T N
ϵ ^ t is the vector representing the estimated residual, and N is the number of firms in the data n = 1 , , N .
The Double Panel-Corrected Standard Errors (DPCSEs) were introduced by Thompson (2011) and Cameron et al. (2011), who defined V ( γ ^ ) c x T as the covariance matrix including firm and time clustering.
V ( γ ^ ) c x T = V ( γ ^ ) c x + V ( γ ^ ) c T , l V ( γ ^ ) W H
where V ( γ ^ ) c x is the firm clustering covariance and is calculated as follows:
V ( γ ^ ) c x = n = 1 N Z n T ϵ n ϵ n T Z n
V ( γ ^ ) c T , l is the time-clustered covariance and is estimated by adding to the sum of covariances one more lag at different points in time. This addition should be related to the covariances between the observations per firm. The study assumed L as the maximum lag where l = 1 , , L (Thompson 2011):
V ( γ ^ ) c T , l = t = 1 T Z t T ϵ t ϵ t l T Z t l
V ( γ ^ ) W H is the White estimator calculated as follows:
V ( γ ^ ) W H = t = 1 T n = 1 N ( Z n t ϵ n t ϵ n , t l T Z n , t l T )
Finally, based on Equations (6)–(8), V ( γ ^ ) c x T in Equation (5) can be rewritten as follows:
V ( γ ^ ) c x T = n = 1 N Z n T ϵ n ϵ n T Z n + t = 1 T Z t T ϵ t ϵ t l T Z t l t = 1 T n = 1 N ( Z n t ϵ n t ϵ n , t l T Z n , t l T )
The empirical results will provide the results of the following equation using the methodologies of Beck and Katz (1995) and Thompson (2011) to correct for the standard errors:
S t o c k M C f , n , t = α + β 1 X f , t + β 2 V n , t + β 3 C r y p t o M C t + ϕ n + δ t + ϵ
where S t o c k M C f , n , t is the stock market cap of firm f originating from country n at time t. X f , t is the matrix of covariates changing with firms over time (assets, debts, profits), and V n , t is the matrix of covariates changing with countries over time (exchange rate, money growth, trade). C r y p t o M C t is a vector changing over time including the cryptocurrency market cap over time. ϕ n and δ t are country and time-fixed effects. ϵ is the error term. Finally, α , β 1 , β 2 , and β 3 are the parameters to be estimated.

3.2. Data

The authors compiled data exported from Datastream and cryptocurrency data exported from CoinDesk. The data obtained from Datastream were on the firm-level, focusing mainly on African countries with vital stock market indices, operating across many sectors and actively listed firms. Besides, the data cover all the geographical parts of the African continent. In particular, Egypt, Morocco, and Tunisia represent North Africa. Botswana, South Africa, and Zimbabwe represent the southern region. Uganda and Kenya represent Eastern Africa. Ghana and Nigeria represent Western Africa. Those countries cover almost 86% of the listed firms in the regions and include almost all top-250 firms in the region (Global-Economy 2020). The previously compiled data were merged with macro datasets exported from the Federal Reserve Economic Data and Penn World Tables on the country level. Finally, the authors were confronted with monthly panel data at the firm level from 2013 to 2021. The following table summarizes the variables included in the study, their definitions, and their sources. The detailed descriptive statistics of these quantitative variables are presented in Table A1 and Table A2 in Appendix A.

4. Empirical Results

Table 1, Table 2, Table 3, Table 4, Table 5 and Table 6 give the regression results for the effect of lagged cryptocurrency market cap on the stock market value. They also provide the estimated coefficients for the following firm variables: total assets, debt-to-asset ratio, and profitability, as well as the following country-level variables: money growth, exchange rate, and trade.
The test results provided at the end of Table 2 guided the authors toward the robust estimation method. We began with the Hausman test, which supported applying the fixed effects. The Pesaran CD, Wooldridge, and Breusch Pagan tests showed that the data had cross-sectional dependence, serial autocorrelation, and heteroskedasticity. These latter findings suggested a correction for the standard errors using the PCSE and DPCSE methods. It is noticeable that the standard errors between brackets changed from the PCSE to DPCSE models.
Taken as a whole, the tables paint a consistent picture that a larger market cap of cryptocurrency is associated with a lower stock market cap.
Columns (5) and (6) in Table 2 show that each 10% increase in the cryptocurrency market cap in the previous period was associated with a decrease in the stock market value by 0.76% in the following period.
The results using the PCSE and DPCSE showed that total assets and profitability played an important role in enhancing the market value of the African firms (Dang et al. 2018; Said et al. 2018; Sami and ElBedawy 2019).
Finally, the monetary and exchange rate policies had a substantial effect on the stock market value of the African firms. This has been well documented by the current literature (Bermudez Delgado et al. 2018; Christiano et al. 2008; Sami et al. 2020). For instance, money growth and higher exchange rate variables negatively affect the market value of African firms. As per the definition of the exchange rate variable, we note that an appreciation of the national currency relative to the U.S. dollar negatively affected the stock market value. Baggs et al. (2009) showed that an appreciation of the national currency was associated with a cost advantage for foreign firms. This can have substantial adverse effects on the market value, sales, and even the survival of productive domestic firms.

4.1. Results by Firm Sector

Table 3 dissects the results of the previous regressions by sector. The database distinguishes six main sectors: energy, financial, industrial, consumer services, Information Technology (IT), and real estate.
As a global picture, the effect of cryptocurrency had the highest perverse effect on the energy sector, followed by the industrial, consumer services, and financial sectors. We note that IT and real estate were not significantly affected by the cryptocurrency stock market. Those results go in line with the African stock market sectoral achievements over the last decade. In particular, real estate and IT realized the highest competitive returns in the regions over the last decade, while on average, the energy, financial, industrial, and consumer services sectors had relatively low and negative returns2. Conspicuously, the sectors that operated poorly lost their investors in favor of other alternative cryptocurrency markets. In contrast, the highly competitive sectors maintained their position.

4.2. Results by Firm Experience

The literature suggests that new firms are vulnerable to losing their market position (Bergek et al. 2013). This is compared to the experienced firms, which can maintain their position and bear the costs of fierce competition. Therefore, Table 4 distinguishes the data as two panels: less-experienced and experienced firms. The objective was to test the importance of firm market experience in competing with the cryptocurrency market. This classification was based on the number of years the firm operated on the market. The authors took the lower quartile firms and defined them as less experienced, while the experienced firms’ panel was composed of the top quartiles. The regression results in the table below show that the adverse effect of the cryptocurrency market was two-times more important for the less-experienced firms. Finally, experienced firms were more responsive to monetary and exchange rate policies.

4.3. Results by Firm Debt Status

Table 5 distinguishes the response of the firm market value to cryptocurrency by the firm debt status. The first panel includes the lower quartile of indebted firms, while the second one consists of the upper quartile. Consistent with the literature Sami (2021), low-debt firms had more tolerance toward external shocks relative to the high-debt ones. The results in the table below show that the negative effect of cryptocurrency was more important for the high-debt firms. Finally, firms with a high debt status were more responsive to monetary and exchange rate policies.

4.4. Results by Illegal vs. Legal Regions

The responses of the African countries to the cryptocurrency market were totally different. Some countries announced cryptocurrency circulation was entirely legal (e.g., South Africa), while others announced it as prohibited (e.g., Egypt). Table 6 shows that cryptocurrency had a consistent detrimental effect on businesses with these different regulations. However, in locations where cryptocurrencies have been authorized, the negative impact was two-times bigger than in countries where they have been proclaimed illegal.

5. Robustness Checks

As a robustness check, the authors defined a binary dependent variable for the firm’s stock market cap. This variable takes one if the stock market cap of the firm is greater than the average stock market cap of the sector in which it operates or zero otherwise. Robustness regressions consider the properties of the logit model as the main estimation strategy. This section tests whether the previous findings will remain robust if the authors change the dependent variable structure and the econometric methodology while maintaining the clustered standard errors’ condition. The marginal effects of the logit model are presented in Appendix A.

5.1. Robustness by Firm Sector

Table 7 presents the main logit model results across the six main sectors. The marginal effects are shown in Table A3 and are consistent with the previous findings. The cryptocurrency market seemed to have the most significant effect on the energy sector. Real estate and IT were not significantly affected, as previously found. For the firms operating in the energy sector, the probability that the firms’ stock market cap decreased below the sector market cap average was 0.4 for each 10% increase in the cryptocurrency market cap.

5.2. Robustness by Firm Experience

Table 8 shows that less-experienced firms were adversely affected by the cryptocurrency market more than the experienced ones. For instance, the probability that the firms’ stock market decreased below the sector’s average was 0.19 for each 10% increase in the cryptocurrency market cap (see Table A4).

5.3. Robustness by Firm Debt Status

For robustness related to the firm debt status results, Table 9 below shows that the cryptocurrency market significantly affected high-debt firms. This finding supports our previous results in Table 5.

5.4. Logit Results by Illegal vs. Legal Regions

Table 10 tests the robustness of the African government policies dealing with the cryptocurrency market. As previously estimated, the regions that banned cryptocurrency transactions failed in protecting their domestic firms. The cryptocurrency market had a consistent detrimental effect on businesses, implying that these regulations are inefficient.

6. Conclusions

The world is flat (Friedman 2005). Cryptocurrency affects micro-entities (i.e., firms) along with the main macroeconomic and financial indexes. In the case of Africa, each 10% growth in the cryptocurrency market cap reduced the market value of African firms by 0.76%.
The study showed that firms in less-competitive sectors (i.e., those more vulnerable to losses) are more likely to be hurt by the cryptocurrency market’s expansion. For instance, the cryptocurrency market has a considerable effect on Africa’s energy, financial, industrial, and consumer services sectors, while real estate and information technology are not significantly affected. Conspicuously, African firms are forced to undergo a novel competition to face the cryptocurrency market. The study highlighted the importance of firm experience and the internal strategies to have a competitive position in this new market (Montout and Sami 2016; Sami and Eldomiaty 2020; Sami and Abdallah 2021).
In terms of policy-making, it is worth noting that countries that have banned cryptocurrencies have failed to protect their domestic firms. This fact calls for government interventions to improve the financial market’s competitiveness in Africa. In this context, the authors suggest the following policy initiatives. Firstly, the African governments should raise the competitiveness of their stock markets. This requires (1) boosting innovations and improving regulations in this traditional financial market to compete with the cryptocurrency market. (2) Governments should foster the diversity of stocks in Africa. The stock market cap in Africa is considerably large; however, it suffers from limited stocks. (3) It is time to address financial services and infrastructural challenges in Africa, which have become an obvious impediment to the development and competitiveness of the stock market. Furthermore, many African stocks have inadequate disclosures, which adversely affects the investors’ decisions. This severe problem affects the African firms’ performance, value, and reputation, especially when compared to the cryptocurrency market context and environment. Besides, the listed firms in Africa are invited to assess the effectiveness of their internal controls in dealing with these deficiency disclosures.
Secondly, severe competition has characterized this decade, implying that only the most productive firms will survive and thrive. Firms should strengthen their strategies to attract investors, as shown in the real estate and information technology sectors. This fact highlights the role of firm productivity, performance, and innovations.
Thirdly, the Development Financial Institutions (DFIs) play a major role in supporting the listed companies in Africa (Triki and Faye 2013). For instance, DFIs should prioritize their investments in countries, industries, or business areas that private investors perceive as costly and risky. DFIs have failed to create a standardized complete transparent reporting system for their initiatives. Statistics on DFI activities are critical for tracking financial inclusion growth, evaluating DFI accomplishments, and identifying important intervention needs. DFIs should concentrate their efforts even more on Africa, where only a small percentage of the population has a formal bank account and where firms face considerable financial restrictions.
Finally, African investors are likely to realize substantial capital gains from the cryptocurrency market. Therefore, the African governments need to expedite the aforementioned financial system adjustments to reap the benefit from these capital gains and attract them for long-term investments in Africa.

Author Contributions

M.S. and W.A. contributed equally to this work. All authors have read and agreed to the published version of the manuscript.

Funding

This research was funded by the School of Business resarch grant, approved on 25 October 2021.

Conflicts of Interest

The authors declare no conflict of interest.

Appendix A

Table A1. Descriptive statistics.
Table A1. Descriptive statistics.
StatsStock MCCrypt MCTotal AssetsDebt-to-AssetProfitabilityMoney GrowthExchange RateTrade
Mean11.6824.1415.542.202.427.6674.590.02
SD2.181.842.551.401.032.74301.100.05
Min3.2220.818.340.00−4.610.000.00−0.14
Max18.4827.7323.015.369.559.953727.070.11
Skewness0.03−0.050.23−0.42−0.64−2.0410.30−0.52
Kurtosis2.851.532.831.856.136.08116.843.24
Table A2. Correlation matrix.
Table A2. Correlation matrix.
Crypt MCTotal AssetsDebt-to-AssetProfitabilityMoney GrowthExchange RateTrade
Crypt MC1.00
Total Assets0.071.00
Debt-to-Asset0.020.161.00
Profitability0.000.11−0.151.00
Money Growth0.190.010.00−0.011.00
Exchange Rate0.030.28−0.010.010.051.00
Trade−0.03−0.320.000.080.02−0.171.00
Table A3. Marginal effects logit model by sector.
Table A3. Marginal effects logit model by sector.
EnergyFinancialIndustrialConsumer ServicesITReal Estate
(1)(2)(3)(4)(5)(6)
Crypt MC−0.040 ***−0.014 ***−0.017 *−0.017 ***0.0230.001
(0.002)(0.005)(0.009)(0.005)(0.023)(0.007)
Total Assets0.211 ***0.063 ***0.050 **0.076 ***0.0350.064 ***
(0.058)(0.013)(0.019)(0.020)(0.039)(0.019)
Debt-to-Asset−0.1420.0010.0240.0020.026−0.008
(0.095)(0.020)(0.027)(0.017)(0.044)(0.021)
Profitability0.108 **−0.0130.0560.058 **−0.110 **0.104 ***
(0.051)(0.022)(0.041)(0.027)(0.050)(0.027)
Money Growth0.016−0.0040.001−0.002−0.035 ***0.003
(0.018)(0.004)(0.004)(0.004)(0.009)(0.006)
Exchange Rate−0.000−0.000−0.0120.000 ***−0.002−0.000
(0.000)(0.000)(0.010)(0.000)(0.001)(0.001)
Trade−2.447 ***−0.158−0.895−1.130−1.218−0.455
(2.957)(4.075)(5.847)(5.836)(9.784)(11.813)
Panel FEYESYESYESYESYESYES
Time FEYESYESYESYESYESYES
Observations164212,858596013,42621805868
Wald Chi2884 ***2879 ***859 ***2532 ***394 ***1786 ***
Pseudo R20.4210.2270.1510.1890.14210.34
Log Likelihood−607.7−4888−2435−5425−1190−1728
Note: clustered standard errors in parentheses. *** p < 0.01, ** p < 0.05, * p < 0.1.
Table A4. Marginal effects logit model by firm experience.
Table A4. Marginal effects logit model by firm experience.
Less ExperiencedExperienced
(1)(2)
L. (Crypt MC)−0.019 **−0.008
(0.009)(0.007)
Total Assets0.099 ***0.088 ***
(0.017)(0.014)
Debt-to-Asset−0.0110.006
(0.023)(0.020)
Profitability−0.0340.038 *
(0.027)(0.022)
Money Growth0.0050.000
(0.007)(0.006)
Exchange Rate−0.000−0.000
(0.000)(0.000)
Trade−17.870 ***−7.307 *
(6.721)(4.207)
Panel FEYESYES
Time FEYESYES
Observations987813,590
Wald Chi258.54 ***44.94 ***
Pseudo R20.1400.144
Log Likelihood−5839−7916
Note: clustered standard errors in parentheses. *** p < 0.01, ** p < 0.05, * p < 0.1.
Table A5. Marginal effect of the logit model by firm debt status.
Table A5. Marginal effect of the logit model by firm debt status.
Low DebtHigh Debt
(1)(2)
Crypt MC−0.024 ***−0.032 ***
(0.008)(0.009)
Total Assets0.091 ***0.105 ***
(0.018)(0.015)
Debt-to-Asset−0.084−0.034
(0.102)(0.097)
Profitability0.0220.042 *
(0.025)(0.026)
Money Growth0.0030.011
(0.009)(0.008)
Exchange Rate0.000−0.000
(0.000)(0.000)
Trade−2.770 ***−0.643
(1.064)(1.039)
Panel FEYESYES
Time FEYESYES
Observations10,3139430
Wald Chi276.38 ***50.04 ***
Pseudo R20.1550.146
Log Likelihood−5980−5577
Note: clustered standard errors in parentheses. *** p < 0.01, ** p < 0.05, * p < 0.1.
Table A6. Marginal effect of the logit model by illegal vs. legal regions.
Table A6. Marginal effect of the logit model by illegal vs. legal regions.
IllegalLegal
(1)(2)
Crypt MC−0.018 ***−0.012 **
(0.007)(0.005)
Total Assets0.131 ***0.072 ***
(0.009)(0.011)
Debt-to-Asset−0.025 *0.005
(0.014)(0.016)
Profitability0.0130.022
(0.019)(0.019)
Money Growth0.0080.001
(0.014)(0.003)
Exchange Rate−0.0000.000
(0.000)(0.000)
Trade0.3890.650
(0.424)(0.701)
Panel FEYESYES
Time FEYESYES
Observations10,3139430
Wald Chi276.38 ***50.04 ***
Pseudo R20.1550.146
Log Likelihood−5980−5577
Note: clustered standard errors in parentheses. *** p < 0.01, ** p < 0.05, * p < 0.1.

Notes

1
Over the last decade, the stock market in the energy, financial, and industrial sectors declined by 75%, 48%, and 9% in Africa. For instance, real estate and information technology realized 100% and 77%, respectively, according to the MSCI ACWI Investable Market Index (2021).
2
For further details, see the MSCI ACWI Investable Market Index (2021).

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Table 1. Full-sample regression results.
Table 1. Full-sample regression results.
Random EffectsFixed Effects
PCSEDPCSEPCSEDPCSE
(2)(3)(5)(6)
L. (Crypt MC)−0.078 ***−0.078 ***−0.076 ***−0.076 ***
(0.008)(0.011)(0.008)(0.012)
Total Assets0.190 ***0.190 ***0.176 ***0.176 *
(0.044)(0.064)(0.047)(0.071)
Debt-to-Asset−0.017−0.017−0.017−0.017
(0.018)(0.022)(0.018)(0.022)
Profitability0.108 ***0.108 ***0.108 ***0.108 ***
(0.016)(0.021)(0.016)(0.021)
Money Growth−0.019 ***−0.019 ***−0.019 ***−0.019 ***
(0.005)(0.006)(0.005)(0.006)
Exchange Rate−0.001 ***−0.001 ***−0.001 ***−0.001 ***
(0.0003)(0.0004)(0.0003)(0.0004)
Trade0.5240.5240.5140.514
(0.557)(0.674)(0.558)(0.663)
Panel FEYESYESYESYES
Time FEYESYESYESYES
Observations42,42542,42542,42542,425
R20.1210.1210.1050.105
Adjusted R20.1210.1210.0920.092
F Statistic4994 ***4994 ***272.197 ***272.197 ***
Hausman Test (FE vs. RE)45.11 ***
F Test for Individual Effects1.70 **
Lagrange Multiplier Test44.25 ***
Pesaran CD348.5 ***
Wooldridge Test3746 ***
Breusch Pagan Test866.44 ***
Note: clustered standard errors in parentheses. *** p < 0.01, ** p < 0.05, * p < 0.1.
Table 2. Definition of the variables.
Table 2. Definition of the variables.
VariableDefinitionSource
Firm-Level VariablesStock MCStock market cap per firm in millions of USD transformed into the logarithm form.Datastream
Debt-to-AssetDebt-to-asset ratio per firm.Datastream
Total AssetsTotal assets per firm transformed into the logarithm form.Datastream
ProfitabilityOperating profit per firm in millions of USD transformed into the logarithm form.Datastream
Country-Level VariablesMoney growthM1 money supply per region is used to measure the growth rate of the money supply relative to the output growth. The variable is expressed as an index per country.Fraser Institute
Exchange RateExchange rate of national currency relative to the U.S. currency.Penn World Tables
TradeIncome coming from trade relative to GDP at purchasing power parities per country.Penn World Tables
Cryptocurrency-Level VariableCrypto MCMarket cap of cryptocurrency index in millions of USD transformed into logarithm form.CoinDesk
Table 3. Regression results by sector.
Table 3. Regression results by sector.
EnergyFinancialIndustrial
PCSEDPCSEPCSEDPCSEPCSEDPCSE
(1)(2)(3)(4)(5)(6)
L. (Crypt MC)−0.164 ***−0.164 ***−0.064 ***−0.064 ***−0.108 ***−0.108 ***
(0.058)(0.062)(0.014)(0.017)(0.019)(0.022)
Total Assets0.639 **0.639 **0.1030.1030.330 ***0.330 ***
(0.310)(0.253)(0.079)(0.101)(0.105)(0.124)
Debt-to-Asset0.1410.141−0.003−0.003−0.077−0.077
(0.124)(0.099)(0.027)(0.033)(0.048)(0.051)
Profitability−0.089−0.0890.068 ***0.068 **0.082 *0.082 *
(0.112)(0.164)(0.023)(0.031)(0.046)(0.046)
Money Growth−0.008−0.008−0.012−0.012−0.032 ***−0.032 ***
(0.032)(0.031)(0.009)(0.011)(0.011)(0.011)
Exchange Rate−0.003−0.003−0.001 **−0.001 ***−0.003 *−0.003 *
(0.003)(0.002)(0.0004)(0.0003)(0.002)(0.002)
Trade1.1151.1150.9400.940−3.417 **−3.417 **
(2.440)(3.030)(0.835)(0.911)(1.458)(1.476)
Panel FEYESYESYESYESYESYES
Time FEYESYESYESYESYESYES
Observations1623162312,70912,70964746474
R20.2580.2580.1000.1000.1950.195
Adjusted R20.2380.2380.0860.0860.1810.181
F Statistic30.4 ***30.4 ***77.552 ***77.552 ***85.6 ***85.6 ***
Consumer ServicesITReal Estate
PCSEDPCSEPCSEDPCSEPCSEDPCSE
(7)(8)(9)(10)(11)(12)
L. (Crypt MC)−0.091 ***−0.091 ***−0.003−0.003−0.027−0.027
(0.015)(0.020)(0.047)(0.054)(0.021)(0.022)
Total Assets0.191 **0.1910.1110.1110.0820.082
(0.095)(0.128)(0.158)(0.175)(0.147)(0.193)
Debt-to-Asset−0.019−0.0190.0740.074−0.032−0.032
(0.031)(0.040)(0.092)(0.109)(0.044)(0.060)
Profitability0.113 ***0.113 ***0.1260.1260.222 ***0.222 ***
(0.030)(0.038)(0.098)(0.141)(0.041)(0.051)
Money Growth−0.012−0.012−0.049 ***−0.049 **−0.013−0.013
(0.010)(0.012)(0.017)(0.020)(0.013)(0.013)
Exchange Rate−0.001−0.001−0.001−0.001−0.002−0.002 *
(0.001)(0.001)(0.003)(0.003)(0.001)(0.001)
Trade0.8860.8863.626 *3.626 *−1.550−1.550
(1.037)(1.173)(2.185)(1.882)(1.681)(1.305)
Panel FEYESYESYESYESYESYES
Time FEYESYESYESYESYESYES
Observations13,25313,2532154215462126212
R20.1120.1120.0900.0900.1050.105
Adjusted R20.0980.0980.0690.0690.0890.089
F Statistic91.4 ***91.4 ***11.5 ***11.5 ***39.6 ***39.6 ***
Note: clustered standard errors in parentheses. *** p < 0.01, ** p < 0.05, * p < 0.1.
Table 4. Regression results by firm experience.
Table 4. Regression results by firm experience.
Less ExperiencedExperienced
PCSEDPCSEPCSEDPCSE
(1)(2)(3)(4)
L. (Crypt MC)−0.102 ***−0.102 ***−0.046 ***−0.046 ***
(0.020)(0.025)(0.016)(0.017)
Total Assets0.273 ***0.273 **0.0410.041
(0.095)(0.127)(0.095)(0.113)
Debt-to-Asset0.0050.005−0.065−0.065
(0.039)(0.056)(0.040)(0.041)
Profitability0.136 ***0.136 ***0.157 ***0.157 ***
(0.035)(0.051)(0.034)(0.044)
Money Growth−0.008−0.008−0.030 ***−0.030 ***
(0.012)(0.015)(0.009)(0.009)
Exchange Rate0.0010.001 **−0.003 ***−0.003 ***
(0.001)(0.0003)(0.001)(0.001)
Trade−3.220 **−3.220 **−0.485−0.485
(1.482)(1.424)(1.016)(1.316)
Panel FEYESYESYESYES
Time FEYESYESYESYES
Observations10,55710,55793609360
R20.1060.1060.1510.151
Adjusted R20.0910.0910.1380.138
F Statistic68.561 ***68.561 ***90.905 ***90.905 ***
Note: clustered standard errors in parentheses. *** p < 0.01, ** p < 0.05, * p < 0.1.
Table 5. Regression results by debt status.
Table 5. Regression results by debt status.
Low DebtHigh Debt
PCSEDPCSEPCSEDPCSE
(1)(2)(3)(4)
L. (Crypt MC)−0.043 ***−0.043 ***−0.076 ***−0.076 ***
(0.015)(0.017)(0.009)(0.012)
Total Assets0.1140.1140.189 ***0.189 ***
(0.086)(0.132)(0.050)(0.072)
Debt-to-Asset−0.144−0.144−0.022−0.022
(0.137)(0.202)(0.019)(0.024)
Profitability0.059 **0.0590.104 ***0.104 ***
(0.027)(0.040)(0.017)(0.022)
Money Growth−0.018−0.018−0.019 ***−0.019 ***
(0.011)(0.013)(0.005)(0.006)
Exchange Rate−0.001−0.001−0.001 ***−0.001 **
(0.001)(0.001)(0.0004)(0.001)
Trade2.591 ***2.591 **0.0280.028
(0.999)(1.104)(0.575)(0.712)
Panel FEYESYESYESYES
Time FEYESYESYESYES
Observations10,10810,10839,21739,217
R20.0680.0680.1060.106
Adjusted R20.0430.0430.0920.092
F Statistic39.65 ***39.65 ***253.34 ***253.34 **
Note: clustered standard errors in parentheses. *** p < 0.01, ** p < 0.05, * p < 0.1.
Table 6. Regression results by illegal vs. legal regions.
Table 6. Regression results by illegal vs. legal regions.
Illegal RegionsLegal Regions
PCSEDPCSEPCSEDPCSE
(1)(2)(3)(4)
L. (Crypt MC)−0.031 **−0.031 **−0.072 ***−0.072 ***
(0.013)(0.014)(0.011)(0.016)
Total Assets0.0600.0600.312 ***0.312 ***
(0.078)(0.086)(0.061)(0.107)
Debt to Asset0.041 *0.041−0.079 ***−0.079 ***
(0.024)(0.027)(0.025)(0.031)
Profitability0.094 ***0.094 ***0.131 ***0.131 ***
(0.022)(0.026)(0.023)(0.032)
Money Growth0.241 ***0.241 ***−0.028 ***−0.028 ***
(0.040)(0.046)(0.005)(0.006)
Exchange Rate−0.0003−0.0003−0.002 ***−0.002 ***
(0.0004)(0.0003)(0.0005)(0.001)
Trade2.000 ***2.000 **−0.216−0.216
(0.646)(0.796)(0.945)(1.133)
Panel FEYESYESYESYES
Time FEYESYESYESYES
Observations17,94717,94724,44424,444
R20.1260.1260.1530.153
Adjusted R20.1130.1130.1400.140
F Statistic141.85 ***141.85 ***241.54 ***241.54 ***
Note: clustered standard errors in parentheses. *** p < 0.01, ** p < 0.05, * p < 0.1.
Table 7. Logit model by sector.
Table 7. Logit model by sector.
EnergyFinancialIndustrialConsumer ServicesITReal Estate
(1)(2)(3)(4)(5)(6)
Crypt MC−0.327 ***−0.116 ***−0.129 *−0.135 ***0.1240.013
(0.026)(0.037)(0.071)(0.042)(0.125)(0.072)
Total Assets1.738 ***0.526 ***0.388 **0.593 ***0.1890.697 **
(0.601)(0.136)(0.181)(0.192)(0.221)(0.286)
Debt-to-Asset−1.1720.0110.1900.0140.143−0.091
(0.838)(0.164)(0.204)(0.130)(0.241)(0.235)
Profitability0.888 **−0.1080.4360.451 **−0.602 **1.138 ***
(0.411)(0.186)(0.342)(0.219)(0.275)(0.334)
Money Growth0.134−0.0340.006−0.016−0.189 ***0.029
(0.149)(0.035)(0.034)(0.032)(0.047)(0.061)
Exchange Rate−0.003−0.003−0.0900.002 ***−0.012−0.002
(0.003)(0.003)(0.081)(0.001)(0.008)(0.013)
Trade−20.140 ***−1.322−6.957−8.775−6.649−4.984
(2.957)(4.075)(5.847)(5.836)(9.784)(11.813)
Panel FEYESYESYESYESYESYES
Time FEYESYESYESYESYESYES
Observations164212,858596013,4262,1805868
Wald Chi2884 ***2879 ***859 ***2532 ***394 ***1786 ***
Pseudo R20.4210.2270.1510.1890.14210.34
Log Likelihood−607.7−4888−2435−5425−1190−1728
Note: clustered standard errors in parentheses. *** p < 0.01, ** p < 0.05, * p < 0.1.
Table 8. Logit model results by firm experience.
Table 8. Logit model results by firm experience.
Less ExperiencedExperienced
(1)(2)
Crypt MC−0.091 **−0.038
(0.046)(0.036)
Total Assets0.486 ***0.441 ***
(0.111)(0.095)
Debt-to-Asset−0.0520.029
(0.113)(0.102)
Profitability−0.1650.189 *
(0.134)(0.112)
Money Growth0.0270.002
(0.032)(0.030)
Exchange Rate−0.000−0.001
(0.001)(0.001)
Trade−17.870 ***−7.307 *
(6.721)(4.207)
Panel FEYESYES
Time FEYESYES
Observations987813,590
Wald Chi258.54 ***44.94 ***
Pseudo R20.1400.144
Log Likelihood−5839−7916
Note: clustered standard errors in parentheses. *** p < 0.01, ** p < 0.05, * p < 0.1.
Table 9. Logit model by firm debt status.
Table 9. Logit model by firm debt status.
Low DebtHigh Debt
(1)(2)
Crypt MC−0.122 ***−0.157 ***
(0.044)(0.048)
Total Assets0.458 ***0.517 ***
(0.116)(0.102)
Debt-to-Asset−0.423−0.165
(0.520)(0.477)
Profitability0.1120.209 *
(0.126)(0.127)
Money Growth0.0170.056
(0.045)(0.039)
Exchange Rate0.000−0.000
(0.000)(0.001)
Trade−13.973 ***−3.171
(5.125)(5.110)
Panel FEYESYES
Time FEYESYES
Observations10,3139430
Wald Chi276.38 ***50.04 ***
Pseudo R20.1550.146
Log Likelihood−5980−5577
Note: clustered standard errors in parentheses. *** p < 0.01, ** p < 0.05, * p < 0.1.
Table 10. Logit model by legal vs. illegal regions.
Table 10. Logit model by legal vs. illegal regions.
IllegalLegal
(1)(2)
Crypto MC−0.070 **−0.035 *
(0.029)(0.019)
Debt-to-Asset0.000−0.002
(0.005)(0.002)
Log (Total Assets)0.286 ***0.095 ***
(0.091)(0.023)
Foreign Ownership Index0.200 **−0.163
(0.081)(0.100)
Trade Barriers Index0.209 **0.060
(0.087)(0.104)
TFP0.020−3.321 **
(0.506)(1.554)
Money Growth−0.1790.064
(0.131)(0.082)
Exchange Rate−0.0000.000
(0.001)(0.001)
Constant−2.842 **1.006
(1.409)(0.874)
Region FEYESYES
Time FEYESYES
Pseudo R20.100.08
Wald Statistic40.1***70.5***
Observations24,34835,559
Note: clustered standard errors in parentheses. *** p < 0.01, ** p < 0.05, * p < 0.1.
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