< In the avocado example betwee In the avocado example between you and neighbor. Let's say your tree grows 100 avocados this year and 20 next year. Consider your saving s as a function of the exchange rate v (i.e., s is how many avocados you save this year, and v is the exchange rate). Suppose your tree suddenly grows 120 avocados this year (instead of 100). What happens to the saving curve s? shift up shift down doesn't shift, but we move up along the saving curve doesn't shift, but we move down along the saving curve