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...

In the era of digital economy, digital service trade (DST) occupies an increasingly important position in international trade and has a significant impact on the low-carbon development of the global economy. This paper investigates the theoretical mechanism of the effect of DST on carbon total...