In this paper, we document the diverging trends in volatility of the growth rate of sales at the aggregate and firm level. We establish that the upward trend in micro volatility is not simply driven by a compositional bias in the sample studied. We argue that this new fact renders obsolete the...

In this paper, we examine the sources of the productivity growth in the U.S. computer industry from 1978 to 1999. We estimate a joint production model of output quantity and quality that distinguishes two types of technological changes: process and product innovations. Based on the estimation...

The present study, using the Cox proportional hazard model, suggests a firm faces a significantly higher risk of takeover if its cost performance lags behind its industry benchmark. The effects of variables capturing cost inefficiency on the risk of takeover appear to be remarkably stable over...