Local returns to scale in the labor market have been notoriously difficult to disentangle from increasing returns in the product market and from the spatial sorting of workers and firms as a source for regional variation in productivity. In this paper we use the introduction of high-speed rail...

A detailed decomposition of the sources of the Total Factor Productivity (TFP) growth index within an output distance function framework was carried out, looking at the following components: technical change, change in technical efficiency, scale component, and violations of the profit...

In the paper, the sources of productivity growth are investigated by an empirical analysis with micro data for West-German manufacturing firms. The theoretical framework corresponds to an augmented growth accounting approach based on a production function. The empirical results reveal that...