A short-run decision for a muffin shop would be to lay off some workers

The production possibilities frontier is the

A) maximum output that can be produced at an opportunity cost of zero. B) minimum output that can be produced when resources are used inefficiently. C) boundary between the combinations of goods and services that can be produced and the combinations that cannot be produced, given the available factors of production and the state of technology. D) boundary between the combinations of goods and services that can be produced and the combinations that cannot be produced when technology is changing. E) maximum opportunity cost combinations of goods and services.

A factor determining the supply of U.S. dollars in the foreign exchange market is the

A) expected future exchange rate. B) expected future interest rate in the United States. C) U.S. supply of exports. D) expected future interest rate in foreign countries.