User profiles for Georges Tsafack

Georges Tsafack

University of Rhode Island
Verified email at uri.edu
Cited by 579

Dependence structure and extreme comovements in international equity and bond markets

R Garcia, G Tsafack - Journal of Banking & Finance, 2011 - Elsevier
Common negative extreme variations in returns are prevalent in international equity markets.
This has been widely documented with statistical tools such as exceedance correlation, …

Proper conditioning for coherent VaR in portfolio management

R Garcia, É Renault, G Tsafack - Management Science, 2007 - pubsonline.informs.org
Value at risk (VaR) is a central concept in risk management. As stressed by Artzner et al. (1999,
Coherent measures of risk, Math. Finance 9(3) 203–228), VaR may not possess the …

Foreign shareholding, corporate governance and firm performance: Evidence from Chinese companies

G Tsafack, L Guo - Journal of Behavioral and Experimental Finance, 2021 - Elsevier
This paper examines how a firm’s corporate governance characteristics and institutional
environment affect the presence of large foreign shareholding, and how a firm’s foreign …

Too-big-to-fail: The value of government guarantee

G Tsafack, Y Li, N Beliaeva - Pacific-Basin Finance Journal, 2021 - Elsevier
Following the 2008 financial crisis and the government bailout of troubled companies, Too-Big-to-Fail
became a standard expression to name a free protection of Wall Street by tax-…

What drives international equity correlations? Volatility or market direction?

K Amira, A Taamouti, G Tsafack - Journal of International Money and …, 2011 - Elsevier
We consider impulse response functions to study the impact of both return and volatility on
the correlation between international equity markets. Using data on the US (as the reference …

[PDF][PDF] Asymmetric dependence implications for extreme risk management

G Tsafack - Journal of Derivatives, 2009 - academia.edu
We analyze in this paper the implications of asymmetric dependence for the management of
extreme risk. We show that in the presence of asymmetric dependence, a portfolio model …

Earnings announcement premium and return volatility: Is it consistent with risk-return trade-off?

G Tsafack, Y Becker, K Han - Pacific-Basin Finance Journal, 2023 - Elsevier
Earlier studies document the earnings announcement premium, that the average stock
return around earnings announcements is positive. This study examines the earnings …

[PDF][PDF] Dependence structure and extreme comovements in international equity and bond markets with portfolio diversification effects

R Garcia, G Tsafack - Journal of Banking and Finance, 2008 - academia.edu
Equity returns are more dependent in bear markets than in bull markets. Previous studies
have argued that a multivariate GARCH model or a regime switching (RS) model based on …

Implicit government guarantee and the CDS spreads

N Beliaeva, S Khaksari, G Tsafack - 2015 - digitalcommons.uri.edu
It is commonly agreed that the government is more likely to step in and rescue some troubled
companies labeled as “too big to fail” or “too interconnected to fail.” Since there is no formal …

Asymmetric effects of return and volatility on correlation between international equity markets

A Taamouti, G Tsafack - Available at SSRN 1344416, 2009 - papers.ssrn.com
How the correlation between equity returns behaves during market turmoils has been an issue
of discussion in the international finance literature. Some research suggest an increase of …