Our society faces many risks that affect human life. Cost-benefit analysis is a very popular project-evaluation tool for reducing these social risks. The government has to set projects or regulations whose benefits will outweigh costs. It is quite easy to evaluate costs but how to evaluate the...

Many governments try to stabilize commodity prices based on the widespread belief that households value price stability and that the poor especially benefit from food price stabilization. We derive an exact measure of multivariate price risk aversion and of associated household willingness to...

We devise and execute three experiments to test key features of models of household decision-making. Using established couples (married and unmarried) we test income pooling, unanimity and Pareto efficiency. Subjects make choices individually and jointly and are asked to make predictions about...

Since 1950s, most African nations have gained independence from their colonial powers. Fortunately, independence has brought many changes to these nations and these include multi-party democratic government and western education systems. Unfortunately, the Africa’s economy is the least...

A recent advance in our understanding of repeated PDs is the detection of a threshold d* at which laboratory subjects start to cooperate predictively. This threshold is substantially above the classic threshold "existence of Grim equilibrium" and has been characterized axiomatically by Blonski,...

Despite normative predictions from economics and biology, unrelated strangers will often develop the trust necessary to reap gains from one-shot economic exchange opportunities. This appears to be especially true when declared intentions and emotions can be cheaply communicated. Perhaps even...