This review is framed around the exploration of a central hypothesis: A shift in public investment toward secondary towns from big cities will improve poverty reduction performance. Of course the hypothesis raises many questions. What exactly is the dichotomy of secondary towns versus big...

Should public investment be targeted to big cities or to small towns, if the objective is to minimize national poverty? To answer this policy question, this paper extends the basic Todaro-type model of rural-urban migration to the case of migration from rural areas to two potential destinations,...

This paper develops the concept of "action space" as the range of possible destinations to which a migrant can realistically move at a given point in time and, intimately linked to this, the set of possible livelihoods at destination. It shows how this space expands and contracts over time...