expected. International public goods are particularly challenging because of the strong asymmetries among nations. We identify … critical international public good. Having examined the Nordhaus Climate Club proposal, we test the Alliance/Nash Equilibrium …

Feeding the world's growing population is one of the most critical policy challenges for the 21st century. With … promising path meet the nutrient needs for future generations. At the same time, the increasing variability in the world …, there is an active discussion on the returns to public and private spending in agricultural R&D, and many of the world …