The lack of growth in the Brazilian sugarcane-ethanol complex since the 2008 financial crisis has been blamed on policies: lower mandate, holding gasoline prices below world levels, high fuel taxes, and inadequate fuel tax exemptions for ethanol. This paper develops an empirical model of the...

The authors designed and tested a voluntary commitment product to help smokers quit smoking. The product (CARES) offered smokers a savings account in which they deposit funds for six months, after which they take a urine test for nicotine and cotinine. If they pass, their money is returned;...

Opium, Afghanistan's leading economic activity, lies at the heart of the challenges the country faces in state building, governance, security, and development. With their narrow law enforcement focus and limited recognition of development, security, and political implications, current global...

The production of cocaine and heroin, the two most important drugs economically, has been concentrated in a small number of poor nations for 25 years. A slightly larger number of developing nations have been affected by large-scale trafficking in these two drugs. This paper reviews what is known...

This paper outlines the institutional history of the international narcotic drug control regime. It details the evolution of the control system, from its foundations at the beginning of the twentieth century - a period of mass, unregulated narcotic drug use - to the current period. The paper...

This paper studies nonmarket institutions that facilitate exports. In Malawi, as in many other developing countries, farmers face numerous constraints that disconnect them from export markets. The paper explores the role of a local institution, the burley tobacco clubs, in bridging smallholders...