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

The economy's marginal social benefit curve for a public good is equal to the ________

A) horizontal sum of the individual demand curves B) vertical sum of the individual marginal benefit curves C) horizontal sum of the individual marginal benefit curves D) vertical sum of the individual supply curves

Refer to the figure above. With the tariff, the quantity of imports falls to

A) 10,000 units. B) 12,000 units. C) 14,000 units. D) 22,000 units.