_________is a cost that changes when the business rate of operation or output changes.

Which of the following is NOT a simplifying assumption in the simple Keynesian model?

A) There is no foreign trade. B) Net investment and gross investment are equal. C) All profits are distributed to the business owners. D) Real disposable income equals government purchases of goods and services.

Refer to Table 9-17. Looking at the table above, real average hourly earnings between 2015 and 2016 changed by

A) 1.2%. B) 4.5%. C) 9.9%. D) 14.5%.