What causes an economy to produce a level of output which lies inside the production set?

A rightward shift of a demand curve is called a(n):

a. increase in demand. b. decrease in demand. c. increase in quantity demanded. d. decrease in quantity demanded. e. increase in supply.

Suppose that the level of real GDP is $1,000,000 and the economy has 10,000 workers. Labor productivity is

a. $100 per worker b. $0.01 per worker c. $1,000,000 per worker d. $1,000 per worker e. Labor productivity cannot be computed with the information given