In this study, we examine the effect of introducing SSE 50ETF index options trading on stock market volatility using a panel data evaluation approach. Based on the cross-sectional dependence among international stock indices and macroeconomic indicators, we estimate the counterfactual volatility...

Experimental evidence suggests that citizens’ judgments of service quality often rely on prior beliefs about providers’ characteristics, such as sectoral or racial stereotypes. Such a biased judgment process prevents the public from understanding performance information accurately and...