Exchange Rates, Trade Deficits, and U.S. Prices
用格兰杰因果检验分析贸易逆差与美国价格的关系，发现贸易逆差显著影响农产品价格，而非农产品价格；同时，强势美元是导致巨额贸易逆差的原因。
Granger Causality tests are run to examine the causal relationships between the trade deficit, another macroeconomic variable, and U.S. prices. The results show that strong causal relationships run from the trade deficit to agricultural prices but not to nonagricultural prices. Results of causality tests also indicate that the huge trade deficit is caused by a strong U.S. dollar.