The growth over time in the spread between price and marginal cost of an exhaustible resource is equal to

Discuss some of the factors that lead infant manufactured goods industries to become more efficient over time, and some of the factors that might lead them to fail to do so

What will be an ideal response?

From 2000 to 2010, the public sector share of total output

A. Trended up for state and local governments and down for the federal government. B. Trended up for state and local governments and up for the federal government. C. Remained stable for the federal government but trended up for state and local governments. D. Remained stable for state and local governments but trended up for the federal government.