Reputation indexes of employment protection have proven popular constructs in studies of the covariation of labor market institutions and macroeconomic outcomes. Portugal occupies an unenviable rank order in such measures of the stringency of employment protection. We critique this reputation in...

We analyze the performance of firms in the German business-related services sector. A quarterly business survey provides the panel data base of our study. Firm performance is measured by the survey respondents' ordinal indication of their changes in total sales. We use a firstorder Markov chain...

We present a new method for imposing and testing concavity of a cost function using asymptotic least squares, which can easily be implemented even for cost functions which are nonlinear in parameters. We provide an illustration on the basis of a (generalized) Box-Cox cost function with six...