Economic growth certainly is not a uniform process over space, especially in a country as vast and diverse as Brazil. Among the determinants of local growth, the role of externalities has been much discussed in the recent literature (Glaeser et al., 1992). These externalities not only matter for...

Why are there areas with persistenly low levels of income or consumption? This could result from the concentration of households with a low capital endowment or from variations in households’ environment. Peru is a country with a very much fragmented topography and climate, that combines dry...