We use a regulatory experiment (Regulation SHO) that relaxes short-selling constraints on a random sample of US stocks to test whether capital market frictions have an effect on stock prices and corporate decisions. We find that an increase in short-selling activity causes prices to fall, and...

Capital expenditures by the top 100 firms make up more than 60% of aggregate investment by publicly traded firms, and explain most of the variation in aggregate net fixed private non-residential investment. Surprisingly, these firms have the highest investment-cash flow sensitivity in the...