Futures market activity: Total volume of open interest contracts and distribution over commercial and non-commercial traders (Chicago Board of Trade and New York Board of Trade)
Working's T-statistic as a measure of excess speculation
Livestock total factor productivity growth
Annual total factor productivity growth rates for livestock, 1961-2001
Growth rates in public agricultural research expenditures
Public agricultural research expenditures as a share of AgGDP
selection of global projections for irrigation water withdrawals
Summary of key 2007 IPCC 4th Assessment for Agriculture by warming increments
Slow down in population growth
Economic assumptions