In 2023, an article in the Economist noted that the value of the Pakistani rupee had “weakened” against the U.S. dollar.

a. When the rupee weakens against the U.S. dollar, does it take more rupees to buy a dollar or fewer rupees?

b. Would a firm in Pakistan that exports goods to the United States prefer a stronger rupee or a weaker rupee? Briefly explain.

c. Does a weaker rupee result in a movement along Pakistan’s aggregate demand curve or a shift of the curve? Briefly explain.