The Contribution of Improved Productivity to the Rate of Growth

question 13

Multiple Choice

The contribution of improved productivity to the rate of growth of the U.S. economy

• A) historically dominated the contribution of labor and capital, but never by as much as it has in the 1980s.
• B) declined during the 1970s but rebounded during the economic periods of the 1980s and 1990s.
• C) had been increasing slowly for 10 years when it suddenly fell below zero in response to the recession of 1981-1982.
• D) has never been as important as it is in the rest of the world.
• E) none of the above.

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Definitions:

Delta

A landform created by the deposition of sediment carried by a river as the flow leaves its mouth and enters slower-moving or stagnant water.

River Terraces

Flat, bench-like surfaces adjacent to the course of a river, which indicate previous river levels and can be used to reconstruct past environmental changes.

River Terraces

Stepped, flat surfaces alongside river valleys that represent previous levels of the river bed, formed by river erosion and changes in water level.

Nile River

The longest river in Africa, flowing north through northeastern Africa to drain into the Mediterranean Sea.