In the 1990s, foreign direct investment had become the most important source of funds for developing countries

A prisoner's dilemma exists for global pollutants because:

a. countries do not face the full cost of pollution that they generate. b. countries that regulate pollution gain more than countries that do not regulate pollution. c. countries that regulate pollution lose more than countries that do not regulate pollution. d. no country follows international agreements to limit pollution.

Which one of the following labor resources will likely have the most inelastic supply schedule in the short run?

a. filling station attendants b. sales clerks c. construction laborers d. dentists