What is the economic rationale for investing in science? Based on an open economy model of creative destruction, we characterize four key factors of optimal investment in basic research: the stage of economic development, the strength of the manufacturing base, the degree of openness, and the...

We know a lot about what kinds of policies are needed to support the development of productive sectors, but much less about why governments pursue these policies and why some governments achieve better outcomes than others. The paper reviews the many but disparate arguments on the comparative...