In this paper, we offer a hybrid approach to merger simulation in which we allow rather extensive pre-testing to suggest the quot;correctquot;, or most desirable, form for the underlying demand curves. Our application is the merger between the large mobile telephone companies Cingular and...

In support of Fomby and Murfin (2005), we demonstrate empirically, rather than theoretically, the severe consequences of using HAC standard errors in regression-based financial event studies. Applying an event study to a recent merger, we show that the use of HAC standard errors render...

We combine regression and propensity score methods to estimate the effect of Internet use on job search. We exploit the distinction between the unemployed and the discouraged, where both desire employment but the latter has ceased active job search due to negative beliefs about the labor market....

Estimation of the employment effects of changes in capital investment is a standard tool in public policy debates. Typically, such predictions are based on employment multipliers derived from Input–Output analysis. In this paper, we measure the employment effects of changes in capital...