Abstract
This paper provides a review of the literature on vulnerability related to poverty. It provides a consistent definition and a general review of the existent theoretical and empirical models and, based on the surveyed contributions, points out the differences, the main limitations and the possible research perspectives on the theoretical analysis and modelling of vulnerability related to poverty. The paper shows that the current analyses have assessed vulnerability from two distinct perspectives, considering vulnerability either as uncertain welfare or as lack of entitlements. It suggests that each assessment determines important differences in the research agenda on vulnerability related to poverty and implies some advantages and disadvantages in terms of the validity (capacity to translate an abstract concept), reliability (the quality of the data), consistency (logical and theoretical soundness), intelligibility (the clarity of the message that it embodies) and feasibility of the measures of vulnerability proposed.
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