An increase in the price of good x will be accompanied by January 1, 2023 by admin a shift in the market demand curve for good x. a shift in the market demand curve for good y (a substitute for good x). a movement along the market demand curve for good x. a shift in the market demand curve for good y (a substitute for good x)and a movement along the market demand curve for good x. See Answer a shift in the market demand curve for good y (a substitute for good x)and a movement along the market demand curve for good x.