Like many countries, the U.S. is concerned that short selling might destabilize markets. Currently, U.S. SEC Rule 201 restricts short selling for stocks that decline 10 percent from the previous day's closing price. Historically, the U.S. has implemented both an uptick rule and a downtick rule...

We provide the first empirical evidence of a non-linear relationship between funding liquidity and market liquidity (FL-ML). The relationship depends on the state of business cycle, firm volatility, and the regulatory regime. Due to heightened funding constraints, equity trading costs increased...