An important question to microfinance is the relevance of existing social capital in target communities to the performance of group lending. This research presents evidence from field experiments in South Africa and Armenia, in which subjects participate in trust games and a microfinance game....

We design an artefactual field experiment to study the relationship between joint-liability lending and adverse selection, moral hazard and risk preferences. While theories concerning joint-liability lending have highlighted its ability to mitigate adverse selection in credit transactions, our...

This book delves into the combination of factors that make Argentina a success story in combating HIV/AIDS. It analyzes the national and inter-provincial burden of disease, the demographics of new HIV cases, the demand and supply-sides of service delivery, and conducts a cost-benefit analysis of...

In this paper we aim at studying to what extent spillovers between firms may foster economic growth. The attention is addressed to the spillovers connected with the R&D activity that improves the quality of the goods firms supply. Our model develops a growth theory framework and we assume that...

Our research provides experimental and survey evidence on the pro-social behavior (trust, reciprocity, a sense of fairness) and preferences for anonymous market transactions of former combatants. Our results, from a random sample in post-war Tajikistan, show that trust, reciprocity, generosity...