A nation’s standard of living is determined by a. factors and events that are beyond the nation’s control. b. the percentage of its GDP that is accounted for by government purchases. c. the productivity of its workers. d. the quantity of natural resources with which it is endowed.

c. the productivity of its workers

Explanation: One of the three determinant of economic growth is increases in labor inputs, such as workers or hours worked.

Improved economic growth raises a nation's standard of living.

answer; lags, push the econ below the natural level of output;

answerprotecting competitors;