explain which of the four (4) components of GDP had, or is having, the greatest positive impact in our economy, economics homework help

In view of the weak economy of the last several years, explain which of the four (4) components of GDP had, or is having, the greatest positive impact in our economy. Use the following historical tables to support your response.

• Go to the Bureau of Economic Analysis at www.bea.gov Navigate on the home page to where it states “National,” then select “Gross Domestic Product”. Next, select “GDP and the National Income and Product Account (NIPA) Historical Tables”. The direct Web address is http://bea.gov/national/index.htm#gdp

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