A startling fact of firm level productivity analysis is the large and persistent differences in both labour … productivity and total factor productivity (TFP) between firms in narrowly defined sectoral classes. The competitiveness of an … industry is potentially an important factor explaining this productivity dispersion. The degree of competition has also …

firms with different levels of productivity. A common problem isthat most firm level dataset do not contain information on … output prices of firms which makesit difficult to distinguish between productivity differences and differences in market … powerbetween firms. This paper develops a new econometric framework that allows estimatingboth firm specific productivity and …

Studies of firm-level data have shown that there is a huge dispersion of productivity across firms even when industries … productive. The formers’ convergence could therefore constitute an important part of productivity growth at the macroeconomic … which can explain it. Productivity convergence was stronger for labour productivity than for total factor productivity. But …

aggregation problem introduces a bias into standard measures of firm productivity. We develop a theoretical model of heterogeneous …