In recent years, food prices have been volatile worldwide. High and fluctuating food prices have led to riots in many low income countries, and have increased the world poverty population. Both developed and developing nations are rushing to buy farmland, even outside their own countries, for...

A simple model is used to illustrate the effects of a reduction in (marginal) abatement cost in a two country setting. It can be shown that a the country experiencing a cost reduction can actually be worse off. This holds true for a variety of quantity and price based emission policies. The most...