Traditional economic models of vaccination behavior simply assume that agents free-ride on the vaccination decisions of others. We provide three different models of private provision of a public good, such as a joint production model and a conjectural variation model, to explain how a positive...

Standard program evaluations implicitly assume that individuals are perfectly informed about the considered policy change and the related institutional rules. This seems not very plausible in many contexts, as diverse examples show. However, evidence on how incomplete information affects the...

Using a gravity model, this study examines trade patterns of two isolated economies - Myanmar and North Korea. This study finds that two countries' trade is basically consistent with the prediction of the gravity model. However, economic sanctions toward these countries imposed by the U.S. and...