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International Journal of Financial Studies, Volume 9, Issue 2

June 2021 - 16 articles

Cover Story: Amidst increased uncertainty, fear, and disruption, people are seeking community. Social media platforms, such as Twitter, provide this community virtually. Increased reliance and use of social media for information have led to an increase in the predictability of Bitcoin returns and conditional volatility linked to the information provided by this virtual society. Furthermore, the unique COVID-19-induced lockdowns have led to a greater number of people following and tweeting about Bitcoin. View this paper
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Articles (16)

  • Article
  • Open Access
1 Citations
4,018 Views
24 Pages

Relativistic Option Pricing

  • Vitor H. Carvalho and
  • Raquel M. Gaspar

The change of information near light speed, advances in high-speed trading, spatial arbitrage strategies and foreseen space exploration, suggest the need to consider the effects of the theory of relativity in finance models. Time and space, under cer...

  • Review
  • Open Access
20 Citations
10,256 Views
18 Pages

The business environment of today is complex and dynamic due to increasing global competition. The businessman needs to master and know all the information that has strategic value, and Competitive Intelligence is positioned as the most appropriate t...

  • Article
  • Open Access
5 Citations
3,626 Views
17 Pages

Modeling System Risk in the South African Insurance Sector: A Dynamic Mixture Copula Approach

  • John Weirstrass Muteba Mwamba and
  • Ehounou Serge Eloge Florentin Angaman

In this paper, a dynamic mixture copula model is used to estimate the marginal expected shortfall in the South African insurance sector. We also employ the generalized autoregressive score model (GAS) to capture the dynamic asymmetric dependence betw...

  • Article
  • Open Access
15 Citations
4,591 Views
22 Pages

This paper investigates the dynamic tail dependence risk between BRICS economies and the world energy market, in the context of the COVID-19 financial crisis of 2020, in order to determine optimal investment decisions based on risk metrics. For this...

  • Article
  • Open Access
19 Citations
5,524 Views
7 Pages

We investigated the differential impacts of a new Twitter-based Market Uncertainty index (TMU) and variables for Bitcoin before and during the COVID-19 pandemic. Results showed that TMU is a leading indicator of Bitcoin returns only during the pandem...

  • Article
  • Open Access
6 Citations
4,645 Views
14 Pages

Accounting Comparability and Cash Holdings in Vietnam

  • Liem Thanh Nguyen and
  • Khuong Vinh Nguyen

The management of cash requires careful considerations to allow firms to benefit from proper resource allocations while mitigating agency issues. Accounting comparability can play an important role in tackling information asymmetry and agency cost, t...

  • Article
  • Open Access
17 Citations
6,485 Views
19 Pages

The Interactions between COVID-19 Cases in the USA, the VIX Index and Major Stock Markets

  • Simon Grima,
  • Letife Özdemir,
  • Ercan Özen and
  • Inna Romānova

With this study, we aimed to determine (1) the effect of the daily new cases and deaths due to the COVID-19 pandemic in the United States on the CBOE volatility index (VIX index) and (2) the effect of the VIX index on the major stock markets during t...

  • Article
  • Open Access
9 Citations
8,461 Views
25 Pages

Improving Audit Reports: A Consensus between Auditors and Users

  • Estibaliz Goicoechea,
  • Fernando Gómez-Bezares and
  • José Vicente Ugarte

Audit reports represent the only information stakeholders have about conducted audits and they are a key instrument used in economic and financial decisions. Improving audit reports should be a priority of regulators and auditors. The authors solicit...

  • Article
  • Open Access
8 Citations
3,519 Views
13 Pages

Does Trading Volume Drive Systemic Banks’ Stock Return Volatility? Lessons from the Greek Banking System

  • Athanasios Tsagkanos,
  • Konstantinos Gkillas,
  • Christoforos Konstantatos and
  • Christos Floros

The present research investigates the impact of trading volume on stock return volatility using data from the Greek banking system. For our analysis, the empirical study uses daily measures of volatility constructed from intraday data for the period...

  • Article
  • Open Access
1 Citations
3,362 Views
12 Pages

This study extracts the common factors from firm-based credit spreads of major Japanese corporate bonds and examines the predictive content of the credit spread on the real economy. Instead of employing single-maturity corporate bond spreads, we focu...

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Int. J. Financial Stud. - ISSN 2227-7072Creative Common CC BY license