Foreign trade is important to the united states

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Foreign trade is important to the United States. No country exports and imports more. However, there has been a large trade imbalance in many sectors. To measure the extent of the prob- lem, an economist recorded the difference between exports and imports of merchandise (excluding mil- itary) for the years 1980 to 2012.
a. Plot the trade balance.
b. Apply regression analysis to measure the trend. 

Reference no: EM13731081

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