Video: Supply Curve This question is based on the video Supply Curve. If you have not previously viewed this video please do so by clicking the link. Which of the following is consistent with the law of supply? ANSWER Unselected Fewer passengers chose to travel by airplane after the terrorist strikes of 9/11. Unselected An increase in the market price of MP3 players causes an increase in the production of MP3 players. Unselected The state of California has less grape regulation than New York, and grape production is lower in New York. Unselected A reduction of the price of salt led to a 5 percent increase in the quantity of salt consumed