Using a panel data of manufacturing firms in Romania (1995-2003) we investigate productivity changes due to ownership and business environment. Our results show that privatization by itself is not sufficient for improving the productivity of enterprises. Fully private enterprises perform better...

The empirical literature on estimation of production technology mostly focuses on estimation of dual cost functions. Estimation of a profit function is not that common. Here, we formally test whether the production technology should be represented by a cost or profit function. We also derive...

This paper considers two specifications, namely, the time trend (TT) and general index (GI) of technical change. These models are extended to accommodate the TFP growth accounting relationship in to the econometric model. We also propose a formal test to determine whether the TT or the GI model...

This paper deals with a dynamic adjustment process in which adjustment of a key variable input (labor) towards its desired level is modeled in a panel data context. The partial adjustment type model is extended to incorporate firm- and time-specific adjustment parameter. A flexible (translog)...