Marshallian districts are locales that accomodate a large number of small firms producing similar goods to be exported and benefit from the accumulation of know-how associated with workers residing there. We study the making of such districts by assuming that the cost function of a firm is a...

This note exhibits sufficient conditions concerning the skills of old workers ruling out overaccumulation stationnary equilibria in an OLG model with productive capital.

We consider a two-period overlapping generations economy in which individuals work in both periods and acquire skills when young through both learning-by-doing and formal education. We characterise the unique saddle-path stable steady state of this economy and show that individuals spend too...

The aim of this paper is to set the foundation of an approach of the diffusion-adoption problem of an innovation or a technological standard, based on the building of influence matrixes. This means that agents are to be considered as participating in social networks that provide the support and...

We consider an economic system composed of interacting potential adopters of a technology. We build a model of interindividual influence effects in which part of the links can be negative, in a context of bounded rational choice. The article shows how the sole relationships topology on a network...

This paper analyses the evolution of trading relationships in a market in which trades take place bilaterally. Buyers reinforce their probability of visiting sellers as a function of the profitability of their past experience. Using the "mean field" approach it is shown that two distant types of...

Why do innovations need delay to diffuse, or why do they fail? This paper provides a possbile explanation. Considering a population of potential adopters of a technology, we set up a model composed of interacting agents. Interaction is conceived as influence effects and the network of...