We use data from professional tennis to measure the causal effect of past on current performance for women and men. Identification relies on exogenous shocks to the probability of facing a contested game, which is a previous stage of competition with strong resistance. We find fundamental gender...

We use data from professional tennis to measure the causal effect of past on current performance for women and men. Identification relies on exogenous shocks to the probability of facing a contested game, which is a previous stage of competition with strong resistance. We find fundamental gender...

One of the most conspicuous features of mergers is that they come in waves that are correlated with increases in share prices and price/earnings ratios. We use a natural way to discriminate between pure stock market influences on firm decisions and other influences by examining merger patterns...

To estimate demand for labor, we use a combination of detailed employment data and the outcomes of procurement auctions, and compare the employment of the winner of an auction with the employment of the second ranked firm (i.e. the runner-up firm). Assuming similar ex-ante winning probabilities...

One of the most conspicuous features of mergers is that they come in waves that are correlated with increases in share prices and price/earnings ratios. We use a natural way to discriminate between pure stock market influences on firm decisions and other influences by examining merger patterns...