The dramatic slowdown in productivity growth experienced after the great recession
a) is believed by most economists to be a permanent shift in the economy.
b) suggests that productivity growth can occur without raising the nation's standard of living.
c) is still debated among many economists as to whether it represents a permanent shift in the economy.
d) suggests that prospects for lasting increases in productivity growth are rather poor.

The right answer is:

C) is still debated among many economists as to whether it represents a permanent shift in the economy.

Explanation:

There is no consensus among economists over why the world economy has been experiencing a decrease in productivity after the Great Recession. The discussion focuses of the effects of Great Recession on productivity, but some economists point at the fact that productivity was getting low when it started and if there are other factors influencing productivity, too.

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the phosphate groups of atp are the key to its ability to store and supply energy. atp releases energy when it breaks bonds between its phosphate groups.