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

theoretical model incorporates heterogeneous firms, heterogeneous products, and ongoing entry and exit. In equilibrium, firm … fixed costs. Changes in market structure result in systematic patterns of firm entry/exit and product switching. … productivity is correlated with product fixed costs, with the most productive firms choosing to make the products with the highest …

firms, and the fact that larger firms supply more products than smaller firms, implies that standard productivity measures … are not independent of demand system assumptions and probably dramatically understate the relative productivity of the …

We study the productivity of US owned plants in the UK. Using a new dataset that identifies foreign and domestic MNEs …

This paper examines the relationship between foreign ownership and productivity, paying particular attention to two … Kingdom. We find that multinationals play an important role in service sectors and that entry of foreign multinationals by … productivity than foreign multinationals, but the difference is less stark in the service sector than in the production sector, 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 …