Real business cycle theory encourages economists to consider the role of ______.

Keeping total factor productivity constant, as the capital-labor ratio increases, labor productivity

A) increases at a constant rate. B) increases at an increasing rate. C) increases at a decreasing rate. D) does not change.

Proved reserves are likely to underestimate the total quantity of the resource in the ground because

a. of flaws in information flows between countries. b. government agencies have an incentive to keep reserves secret. c. of future improvements in technology and higher future prices. d. scientists have not been able to use the latest techniques to estimate reserves in less developed countries.