The Dynamics of Financial Innovation and Bank Performance: Evidence from the Tunisian Banking Sector Using a Mixed-Methods Approach
Abstract
1. Introduction
2. Literature Review and Research Gap
3. Materials and Methods
4. Research Methodology, Sample, and Model Presentation
- H0: A board of medium size is positively associated with bank performance.
- H1: CEO–Chairman duality in the Board of Directors causes a decline in the level of banking performance.
- H2: A great proportion of individual managers on the board of directors is related to greater performance.
- H3: Government contribution increases the performance of banks.
- H4. The proportion of foreign directors is interconnected with bank performance.
- H5: The authority of institutional investors decreases the performance of banks.
- H6: The presence of a risk management agency improves bank performance.
- H7: CEO compensation decreases banking performance.
- Assumption 1:
- Assumption 2:
- Assumption 3:
- Assumption 4:
- Assumption 5:
- Assumption 6:
- Assumption 7:
- ▪
- December 1989: Inclusion of Citibank, BH-Bank (formerly CNEL), and BNDA (acquired by BNA) in national statistics.
- ▪
- January 1998: Opening of the Tunisian Solidarity Bank (BTS), included in national statistics.
- ▪
- March 2005: Establishment of the Bank for Financing Small and Medium-Sized Enterprises (BFPME), with its figures being recorded from December 2005.
- ▪
- December 2000: Merger of the Bank for Economic Development (BDET) and the National Tourism Development Bank (BNDT) with STB, reorienting them from development banks to commercial banks.
- ▪
- 2004–2005: A number of banks (Qatar National Bank, BTK, BTE, TSB, and BTL) switched from specialized to universal banking institutions.
- ▪
- March 2010: The launch of Banque Zitouna heralded the entry of the sector into Islamic finance.
- ▪
- January 2014: Al Baraka Bank, an offshore bank, transformed into a universal bank.
- ▪
- November 2015: Al Wifak Leasing reconstructed as Al Wifak Bank with a specialty in Islamic finance.
- ▪
- April 2019: Habitat Bank was officially renamed BH-Bank following a decision from the shareholders.
4.1. Variables Description
Variable Definitions
- (a)
- Return on Equity (ROE):
- (b)
- Market Concentration (IHH):
- (c)
- Bank Size (SIZE):
- (d)
- R&D Expenditure (R&D):
- (e)
- Fintech Investment (Fintech):
4.2. Distributed Lag Autoregressive (ARDL)
4.3. Model Presentation
- ▪
- Lower average operating costs for large banks;
- ▪
- Improved access to finance;
- ▪
- Improved bargaining strength in financial markets;
- ▪
- Improved shock-absorbing ability, contributing to short-term stability.
5. Discussion
- ▪
- First, regulators can adopt innovation-friendly regulatory policies such as regulatory sandboxes to encourage Fintech experimentation while maintaining financial stability.
- ▪
- Second, policymakers have to revise the banking regulations in Tunisia to keep pace with digital transformation in order to prevent compliance frameworks from slowing down technological take-up.
- ▪
- Third, banks should be incentivized—through tax relief or subsidies—to invest in digital infrastructure and cybersecurity, particularly smaller banks that trail behind in adopting innovations.
6. Conclusions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Year | 2000 | 2002 | 2005 | 2010 | 2014 | 2015 | 2017 | 2019 | 2020 | 2022 | 2024 |
---|---|---|---|---|---|---|---|---|---|---|---|
Number | 19 | 19 | 20 | 21 | 22 | 23 | 23 | 23 | 23 | 23 | 23 |
ROE | SIZE | RF | IHH | DIV | INFL | |
---|---|---|---|---|---|---|
Mean | 0.090218 | 6.520148 | 44,208.72 | 0.113982 | 0.620621 | 1.305693 |
Median | 0.101054 | 6.582785 | 30,104.00 | 0.112115 | 0.647895 | 1.308333 |
Maximum | 0.619809 | 7.228285 | 333,006.0 | 0.120566 | 0.995236 | 1.808289 |
Minimum | −1.764798 | 5.277261 | −178,714.0 | 0.102036 | −0.459470 | 0.641854 |
Std. Dev. | 0.153841 | 0.387369 | 58,888.94 | 0.004380 | 0.253200 | 0.334643 |
Skewness | −8.073751 | −0.847412 | 0.832600 | −0.539966 | −1.089012 | −0.486620 |
Kurtosis | 96.20681 | 3.818454 | 8.370622 | 3.459802 | 4.596711 | 2.274022 |
Jarque–Bera | 86126.91 | 34.09460 | 304.3085 | 13.26009 | 70.19774 | 11.42537 |
Probability | 0.000000 | 0.000000 | 0.000000 | 0.001320 | 0.000000 | 0.003304 |
Sum | 20.84031 | 1506.154 | 10,212,215 | 26.32985 | 143.3634 | 242.8588 |
Sum Sq. Dev. | 5.443436 | 34.51261 | 0.0079811 | 0.004413 | 14.74533 | 20.71734 |
Observations | 275 | 275 | 275 | 275 | 275 | 275 |
Lags | F-Statistic | Prob. F | Obs*R2 | Prob. Chi-Square |
---|---|---|---|---|
2 | 2.914 | 0.056 | 4.782 | 0.091 |
Test Statistic | Value | Prob. |
---|---|---|
F-statistic | 4.276 | 0.0021 |
Obs*R2 | 12.938 | 0.0037 |
Scaled explained SS | 10.813 | 0.0058 |
KERRYPNX | LLC | IPS | ADF | PP | ||||
---|---|---|---|---|---|---|---|---|
Level | First Difference | Level | First Difference | Level | First Difference | Level | First Difference | |
ROE | −6.01321 0.000 *** | ----------- | −6.77369 0.000 *** | ----------- | 89.4742 0.000 ** | ----------- | 85.4909 0.000 *** | ----------- |
SIZE | −0.72897 0.2330 | −5.38323 0.000 *** | 3.92612 1.0000 | −5.84617 0.000 *** | 7.81922 0.9976 | 77.1457 0.000 *** | 4.03678 1.0000 | 91.3032 0.0000 ** |
DIV | 0.69982 0.7580 | −13.9486 0.000 *** | 0.90462 0.8172 | −12.5870 0.000 *** | 27.5438 0.1913 | 157.719 0.000 *** | 18.8647 0.6537 | 169.975 0.000 *** |
IHH | −2.65785 0.0039 | −16.5266 0.000 *** | 0.77591 0.7811 | −15.7849 0.000 *** | 11.0312 0.9743 | 202.627 0.000 *** | 11.7528 0.9623 | 202.627 0.0000 ** |
RF | 0.21030 0.5833 | −11.7319 0.0000 *** | 0.73118 0.7677 | −11.2276 0.0000 *** | 21.990 0.4599 | 146.290 0.0000 *** | 22.8277 0.4115 | 166.781 0.0000 ** |
INFL | −8.20046 0.000 *** | ----------- | −4.80782 0.000 *** | ----------- | 59.1129 0.000 ** | ----------- | 58.8617 0.000 *** | ----------- |
Variable | Coefficient | p-Value | Significance |
---|---|---|---|
SIZE | −0.088042 | 0.0037 | *** |
RF | 3.21 × 10−7 | 0.0230 | ** |
IHH | 2.931807 | 0.0249 | ** |
DIV | 0.00417 | 0.2076 | ns |
INF | 0.063139 | 0.0000 | *** |
IHH × RF | 1.13 × 10−7 | 0.0189 | ** |
Variables | Coefficient |
---|---|
ΔSIZE | 0.578252 ns |
ΔRF | −0.48504 ns |
ΔIHH | −2.175299 ns |
ΔDIV | −0.020180 ns |
ΔINF | −0.060497 ** |
Δ (IHH × RF) | 6.52 × 10−8 ** |
Constant (C) | 0.063696 ** |
ECM (CointEq (−1)) | −0.27022 *** |
Adjusted R-squared: | 0.5827 |
Significance levels: *** p < 0.01, ** p < 0.05, * p < 0.1 |
Variable | Coefficient | Std. Error | t-Statistic |
---|---|---|---|
Risk_Mgmt (H6) | 0.047821 | 0.02093 | 2.28 ** |
Ceo_Comp (H7) | −0.038457 | 0.01876 | −2.05 ** |
Adjusted R2 (Extended Model): 0.602 Model: ARDL (1, 1, 1, 1, 1), with HAC standard errors |
Variables | Coefficients | t-Statistic |
---|---|---|
Constant | −0.2596 ** | −2.64 |
SIZE | −0.0215 ns | −0.53 |
RF | −0.0001 ns | −0.37 |
IHH | 3.6759 ** | 2.51 |
DIV | 0.1411 ** | 2.19 |
INFL | 0.0223 ** | 3.37 |
Post2011 | −0.0102 *** | −2.32 |
COVID | −0.0039 ns | −0.28 |
Test | Test Statistic | p-Value | Critical Value (1%) | Critical Value (5%) | Critical Value (10%) |
---|---|---|---|---|---|
CUSUM (OLS Residuals) | 0.3054 | 0.9684 | 1.63 | 1.36 | 1.22 |
Variable | Coefficient (Top 3) | Coefficient (Top 5) |
---|---|---|
Constant | −0.1568 ** | 0.1146 ** |
SIZE | 0.0083 ns | −0.0143 ns |
RF | −0.0001 ns | −0.0002 ns |
IHH | 1.4676 ** | 1.0154 ** |
DIV | 0.1956 ** | 0.0860 |
INFL | −0.0546 ns | −0.0482 ns |
Variables | Top-3 Banks | Top-5 Banks | Full Sample |
---|---|---|---|
Diversification (DIV) | Significant (p = 0.036) | Not significant | Not significant |
Size (SIZE) | Not significant | Not significant | Negative & significant |
Financial Innovation (RF) | Not significant | Not significant | Positive & significant |
Market Concentration (IHH) | Significant (p = 0.023) | Significant (p = 0.012) | Positive & significant |
Inflation (INF) | Not significant | Not significant | Positive & significant |
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Sadraoui, T. The Dynamics of Financial Innovation and Bank Performance: Evidence from the Tunisian Banking Sector Using a Mixed-Methods Approach. J. Risk Financial Manag. 2025, 18, 333. https://doi.org/10.3390/jrfm18060333
Sadraoui T. The Dynamics of Financial Innovation and Bank Performance: Evidence from the Tunisian Banking Sector Using a Mixed-Methods Approach. Journal of Risk and Financial Management. 2025; 18(6):333. https://doi.org/10.3390/jrfm18060333
Chicago/Turabian StyleSadraoui, Tarek. 2025. "The Dynamics of Financial Innovation and Bank Performance: Evidence from the Tunisian Banking Sector Using a Mixed-Methods Approach" Journal of Risk and Financial Management 18, no. 6: 333. https://doi.org/10.3390/jrfm18060333
APA StyleSadraoui, T. (2025). The Dynamics of Financial Innovation and Bank Performance: Evidence from the Tunisian Banking Sector Using a Mixed-Methods Approach. Journal of Risk and Financial Management, 18(6), 333. https://doi.org/10.3390/jrfm18060333