The price elasticity of demand is the __________________ change in the quantity demanded of a good or service divided by the percentage change in the price.

William was asked to contribute money for a retirement home. He agreed to contribute only if his name appeared on the list of donators in the newsletter published by the home every year. This is an example of ________

A) rationalism B) liberalism C) impure altruism D) pure altruism

Investment in kind refers to the possibility that:

A. DVCs will invest for the purpose of becoming less dependent on world markets. B. a DVC will overinvest in industries in which it has a comparative advantage, disrupting its development program. C. newly established manufacturing firms may expand by reinvesting their profits. D. surplus labor in, say, agriculture can be diverted to the production of simple capital goods such as earthen dams.