A fundamental and highly relevant question for climate policy design is whether price controls, such as CO2 taxes, or quantity restrictions, such as emission quotas, should be preferred. This paper shows that as the reach of climate policies is limited either geographically or in terms of...

This note demonstrates that when developing countries remove barriers to migration and integrate their labour markets, children may be driven out of schools and into informal or paid employment in the comparatively rich countries. In industrialized countries, the same mechanism might force...