What is the primary benefit of a monetary system of exchange compared to a barter system?

An assumption of the neoclassical theory of growth is that

A) people receive only subsistence real GDP per person. B) all technological advances are the result of chance. C) the marginal product of all types of capital increases as more capital is accumulated. D) knowledge has diminishing returns.

Coinsurance reduces moral hazard in exactly the same way as

A) limits on insurance. B) risk-based premiums. C) deductibles. D) restrictive provisions.