"In a recent paper, Barrett (2006) reaches the conclusion that in general the answer to the question in the title is no. We show in this paper that a focus on the R&D phase in the development of breakthrough technologies changes the picture. The stability of international treaties improves and...

"Debt relief is unlikely to stimulate investment and growth in the world's highly indebted poor countries (HIPCs). This is because the HIPCs do not suffer from debt overhang. The principal obstacle to investment and growth in the world's poorest countries is a lack of basic economic institutions...