Constraints on land and water resources, growth in population, and an apparent slowdown in agricultural productivity raise concerns that food prices may rise substantially in the coming decades. A key question is whether policies aimed at increasing agricultural productivity may be effective in...

For individual countries, variable trade barriers can be used to reduce the volatility of domestic relative to world prices. If this is done by countries accounting for a large share of the market, its effect is offset by increases in world price volatility. This study shows the nature of the...

June 2000 - Most proposals for joint implementation of energy projects emphasize installing more technically efficient capital equipment to allow reduced energy use for any given mix of input and output. But increases in energy efficiency are likely to have second-round effects. Reducing energy...