Aclosed economy is one in which: a. saving exactly equals investment at full employment b. imports exactly equal exports, so that trade is balanced c. the home economy is isolated from foreign trade d. domestic firms invest in industries overseas

James sebenius, in his harvard business review article: six habits of merely effective negotiators, identifies six mistakes that negotiators make that keep them from solving the right problem. identify which mistake is being described. striving for a “win-win” agreement results in differences being overlooked that may result in joint gains.

When a shortage or a surplus arises in the loanable funds market a. the supply of loanable funds changes to return the economy to its original real interest rate b. the nominal interest rate is pulled to the new equilibrium level c. the demand for loanable funds changes to return the economy to its original real interest rate d. the real interest rate is pulled to the new equilibrium level

Suppose that electricity producers create a negative externality equal to $5 per unit. further suppose that the government imposes a $5 per-unit tax on the producers. what is the relationship between the after-tax equilibrium quantity and the socially optimal quantity of electricity to be produced?