This article expands a methodological thought about the measurement of the impact of research articles in economics through their citations. Several indexes are constructed which take (or not) into account the age of the articles, the auto-citations, and the number of authors. The impact of each...

This paper presents an economic geography model we use to investigate transport costs as a cause of regional inequalities. We perform a structural estimation of this model for 64 sectors simultaneously using a new dataset on generalized transport costs between the 341 French Employment Areas....

In this paper we use the c.o.i. survey and the « Techniques et Organisation du Travail » (1987, 1993) surveys to document workplace communication patterns in urban, suburban and rural areas. Workers in large cities communicate more than workers in small cities and then more in small cities...