> equates to a 0.5%, 0.6%, and 0.8% yield increase for corn, soybeans, and wheat, respectively. Viewed retrospectively, 10%, 30 …%, and 40% of each crop's yield improvements since 1940 are attributable to rising CO₂ …

-ecological niches, leaving potential yield gains on the table and farmers in these areas less productive and poorer than they need be …

airborne sulfate levels and yields for corn and soybean. We estimate crop revenue losses for these two crops around $1 …

how recent drought exposure, drought risk, and other climatic features have influenced adoption of DT corn--a water … risk--rather than short-run drought exposure in recent prior years--led to increased adoption of DT corn varieties in 2016 …. Farmers are more likely to plant DT corn on highly erodible land and less likely to irrigate such varieties, consistent with …

cuts do not pay for themselves, and that a 5 percentage point rate increase would yield $18 to $30 billion in annual … federal tax revenue. Our long-run estimates yield revenue-maximizing capital gains tax rates of 38 to 47 percent …