type="main" <title type="main">ABSTRACT</title> <p>The recent financial crisis shows that financial markets can impact the real economy. We investigate whether access to finance typically time-varies and, if so, what are the real effects. Consistent with time-varying external finance costs, both investment and employment are...</p>

Previous studies have shown that high short interest stocks have low subsequent returns. We test whether the persistence of this effect is due to costs limiting arbitrage. The arbitrage cost that we focus on is idiosyncratic risk which, regardless of the arbitrageur's level of diversification,...

This paper tests whether the persistence of the momentum and reversal effects is the result of idiosyncratic risk limiting arbitrage. Idiosyncratic risk deters arbitrage, regardless of the arbitrageur’s diversification. Reversal is prevalent only in high idiosyncratic risk stocks, suggesting...