This paper examines the application of count data models to firm level panel data on technological innovations. The model the authors propose exhibits dynamic feedback and unobserved heterogeneity. We develop a fixed effects estimator that generalizes the standard Poisson and negative binomial...

<abstractinfo format="display"> We analyse the impact of product market competition on unemployment, and how this depends on labour market institutions. Theoretically, both firms with market power and unions with bargaining power are constrained in their behaviour by the elasticity of demand in the product market. We use...</abstractinfo>

Recently the data underlying the Annual Census of Production has been made available to academic economists in the United Kingdom. The data provide information on production activity in the United Kingdom at the plant level. This paper provides some preliminary description of the data and...