I exploit a natural experiment in South Korea to examine the real effects of macroprudential foreign exchange (FX) regulations designed to reduce risk-taking by financial intermediaries. By using crossbank variation in the regulation's tightness, I show that it causes a reduction in the supply...

We examine key developments in trade-related activity in derivatives markets during the COVID-19 pandemic. Using a unique database spanning 113 exchanges and 40 countries, we find significant large increases in volumes and open interest using event study methods. Further, drawing upon techniques...