land rental equivalent by the average ratio of net revenue to agricultural value added, 0.41 in the 2002 agricultural census.4

Both the reduced form crop model and the Ricardian model show agricultural losses for the Southeast and the Southwest Plains regions, and these losses are severe in the case of the reduced form model. There are also mild losses in the Southern Pacific Coast region. In the aggregate, there are losses of about 15 percent in the reduced form crop model but gains of about 5 percent in the Ricardian model. As reported in appendix F, the reduced form model losses are smaller (2.9 percent) when carbon fertilization is included using the MS parameter value, and the Ricardian model swings to major gains (+ 20 percent).

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