Single-firm event studies play an important role in both scholarship and litigation despite the general invalidity of standard inference. We use a broad cross-section of 2000--2007 CRSP data and find that the standard approach performs poorly in terms of both Type I and Type II error rates. We...

Economic theory predicts that abortion laws affect sexual behavior since they change the marginal cost of having risky sex. We estimate the impact of abortion laws on sexual behavior by reported gonorrhea incidence. Our data panel includes 41 countries for which consistent gonorrhea data are...