The calibration theorem by Rabin (2000) implies that seemingly plausible smallstake choices under risk imply implausible large-stake risk aversion. This theorem is derived based on the expected…

This paper concerns optimal income taxation under asymmetric information in a two-type overlapping generations model, where people care about their relative consumption compared to others. The…

In settings characterized by weak human capital and agricultural land degradation, investments in human capital formation and land conservation can be key candidates for triggering sustained economic…

The sluggish growth in agriculture coupled with lack of broad-based economic growth raises debates over the relevant direction and emphasis of development interventions in the country. In this study…

This is a chapter in a book entitled "The Emergence of Land Markets in Africa Impacts on Poverty, Equity, and Efficiency" edited by Stein Holden, Keijiro Otsuka and Frank Place, 2009. Despite various…

This paper investigates the effects of crop genetic diversity on farm productivity and production risk in the highlands of Ethiopia. Using a moment-based approach, the analysis uses a stochastic…

Willingness to pay for garbage collection services for University of Dar es salaam residential areas has been assessed in this study using Contingent Valuation Method (CVM). In examining the issue…

The authors studied the potential tradeoff between countries’ investments in mitigation versus adaptation to climate change. Mitigating greenhouse gases may be a public good, but adaptation to climate…

Studies have shown differences in cooperative behavior across countries and in the use of (and reaction to) a norm enforcement mechanism in cross-cultural studies. The authors present data that prove…