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On the Specification of Propensity Scores,With Applications to the Analysis of Trade Policies
Authors:David A Bessler  Ronald A Babula
Institution:1. Department of Agricultural Economics , Texas A&2. M University , College Station , TX , 77843-2124;3. U.S. Department of Agriculture, Economic Research Service , 1301 New York Avenue, N.W., Washington , DC , 20005-4788
Abstract:A vector autoregression is fit to recent U.S. data on wheat prices, wheat export sales, wheat export shipments, and exchange rates. Forecast error decompositions and out-of-sample forecasts indicate that exchange rates have little influence on wheat sales and shipments.
Keywords:Forecast  Sales  Shipments  Vector autoregression
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