Movements along versus shifts of supply curves consider the market supply of peanut butter. complete the following table by indicating whether an event will cause a movement along the supply curve for peanut butter or a shift of the supply curve for peanut butter, holding all else constant. movement along shift an increase in the price of peanut butter a change in expectations about the future price of peanut butter a change in technology that makes it more costly to produce peanut butter.