This paper highlights the role of agriculture in the American economy and society over time and points to farmer historical and contemporary responses to varying climatic conditions. It indicates the importance of water as an input to agricultural production and identifies possible impacts of...

Many nonmarket valuation models, such as the Ricardian model, have been estimated using cross sectional methods with a single year of data. Although multiple years of data should increase the robustness of such methods, repeated cross sections suggest the results are not stable. We argue that...