We show that stock market liquidity is an important determinant of the cost of raising external capital. Using a large sample of seasoned equity offerings, we find that, ceteris paribus, investment banks' fees are significantly lower for firms with more liquid stock. We estimate that the difference in the investment banking fee for firms in the most liquid vs. the least liquid quintile is about 101 basis points or 21% of the average investment banking fee in our sample. Our findings suggest that firms can reduce the cost of raising capital by improving the market liquidity of their stock.

Previous studies have found that the proportion of equity in total new debt and equity issues is negatively correlated with future equity market returns. Researchers have interpreted this finding as evidence that corporate managers are able to predict the systematic component of their stock returns and to issue equity when the market is overvalued. In this article we show that the predictive power of the share of equity in total new issues stems from pseudo‐market timing and not from any abnormal ability of managers to time the equity markets.