This important book tackles some of the main security challenges facing the international development community today. Containing contributions by leading experts, including some who have been at the centre of the international policy debate, it goes further by putting forward suggestions and...

The structure of representative agents and decentralisation of the social planner's problem provide a framework for the economics of infection and associated externalities. Optimal implementation of prevention and therapy depends on: (1) biology including whether infection is person to person or...

Testing is a potentially important intervention to slow the HIV epidemic in Africa and elsewhere. Some countries in Africa have achieved high levels of testing but most have not. Cost, price, and questions of confidentiality have limited the expansion of testing. It looks possible, however, that...

The paper demonstrates that the concepts of dynamic controllability are useful for the theory of economic policy by establishing four propositions. First dynamic controllability is a central concept in stabilization policy. Second, the ability to achieve a target state, even if it cannot be...