If more productive firms grow relatively fast, an industry performs better, even when no firm exhibits technical or efficiency change.In other words, the two well-known sources of productivity growth-technology and efficiency-can be augmented by a third one, namely the industrial organization...

Limit core allocations are the ones that remain in the core of a replicated economy.An equivalent notion for economies with public goods is Schweizer s concept of club e ciency under a variable number of economic agents.We extend this notion to economies with goods that have a semi-public...

The standard measure of productivity growth is the Solow residual.Its evaluation requires data on factor input shares or prices.Since these prices are presumed to match factor productivities, the standard procedure amounts to accepting at face value what is supposed to be measured.In this paper...

In the preceding paper we have seen that the top types of labor are relatively scarce in China and this raises the issue of income inequality under competition.Our main finding is that inequality would multiply indeed. Subsidiary, the nature of inequality would shift from the rural-urban divide...