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

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 …

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 …

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

non-labor input in which high skill agents match with high input productivity sectors where they can best leverage their … talent. When the ranking of sectors by input productivity differs across countries, their ranking by workforce skill also … exogenous differences in capital productivity induced by a country's proximity to major capital exporters the paper shows that …

This paper examines the relationship between foreign ownership and productivity, paying particular attention totwo …. We find that multinationals play an important role in servicesectors and that entry of foreign multinationals by takeover … is more prevalent than greenfield investment. Wefind that British multinationals have lower levels of labour productivity …

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 …

combining a new model with the firm-level distributions of size and productivity. Our framework adapts the Lucas (1978) model to …") and productivity. We then econometrically recover the key parameters of the model in order to estimate the costs of …