The author of An Inquiry Into the Nature and Causes of the Wealth of Nations was

The figure above shows an education market in which the government is providing households with vouchers. What is the efficient quantity of students?

A) 2 million B) 4 million C) 6 million D) more than 6 million E) more than 4 million and less than 6 million

Using the money demand and money supply model, an increase in money demand would cause the equilibrium interest rate to

A) increase. B) decrease. C) not change. D) increase, then decrease.