In this paper, we examine the time-series properties of the earnings-return relation and explore the implications of its changing landscape for the literature. We document strikingly opposite time-series patterns of earnings surprises and associated market reactions. Earnings surprises have...

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...