We motivate and describe a GMM method of estimating linear dynamic models from atime series of independent cross sections. This involves subjecting the model to aquasi-differencing transformation across pairs of individuals that belong to the samegroup...

This paper provides a systematic empirical analysis of the effects of merger and acquisitionactivity on profitability and firm level employee remuneration in the United Kingdom, using a speciallyconstructed database for the period 1979-1991...