We define two types of natural mechanisms, quantity and price-quantity types, in convex production economies, and characterize the class of Pareto subsolutions doubly implementable in Nash and strong Nash equilibria by these mechanisms respectively. First, we show that there is a class of Pareto...

We study the general equilibrium effects of localised technical progress à la Atkinson-Stiglitz on income distribution in economies in which capital is a vector of reproducible and heterogeneous goods. We show that there is no obvious relation between ex-ante profitable innovations and the...

This paper analyses the Marxian theory of exploitation. A general axiomatic approach is developed which is appropriate to study the concept of exploitation - what it is and how it should be captured empirically. Two properties are presented that capture some fundamental Marxian insights. It is...