This paper surveys evidence from recent randomized evaluations in developing countries on the impact of price on access to health and education. The debate on user fees has been contentious, but until recently much of the evidence was anecdotal. Randomized evaluations across a variety of...

The world is in the midst of a major demographic transition. This paper examines the implications of such transition over the next 80 years for Japan, the United States, other industrial countries, and the developing regions of the world using a dynamic intertemporal general equilibrium...