25. If the U.S. dollar decreases in value relative to other currencies, how does this affect the aggregate demand curve? (A) This will move the economy up along a stationary aggregate demand curve. (B) This will move the economy down along a stationary aggregate demand curve. (C) This will shift the aggregate demand curve to the left. (D) This will shift the aggregate demand curve to the right.

7. Uber Eats and Food Panda must decide whether or not to start a promotional campaign in the Sanxia area. The potential economic profit by each food delivery services, depicted in the payoff matrix above, depends on whether the other service also start a campaign. Which of the following statements is true? (A) If Food Panda starts a campaign and Uber Eats does not, Food Panda will earn a $20 million economic profit. (B) If Uber Eats starts a campaign and Food Panda does not, Uber Eats will earn a $20 million economic profit. (C) The Nash Equilibrium of the game is when both Food Panda and Uber Eats do not a campaign. (D) Food Panda and Uber Eats can work out a joint strategy that can generate an outcome better than the Nash Equilibrium. Price (dollars per kilogram) Quantity (kilograms of salmons)

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