If the price of peaches, a substitute for plums, increases the demand for plums will decrease

Total factor productivity is

a. changes in amounts of factors of production b. changes in output due to changes in the amount of factors of production c. changes in output due to changes in productivity of factors of production d. changes in productivity of factors of production due to changes in other factors e. none of the above

Public goods are

A) any goods or services produced by the government. B) provided to additional users at no additional cost. C) provided only by the capitalistic system. D) provided only by the communist system.