Which of the following would tend to increase the demand for college textbooks?

Which of the following are regulations that nations in regional trade blocs establish to delineate product categories eligible for trading preferences?

A) trade quotas B) trade tariffs C) rules of law D) rules of origin

Suppose that before S1 shifted, a typhoon destroyed a huge shipment of Quality Unlimited HD televisions, thereby reducing the supply of this product in the United States. Considering this scenario, what would be the new position of S2, and how else would this graph change?

a. S2 would shift left of S1, and Q1 would be indeterminate.
b. S2 would shift right of S1, and E2 would move even further down.
c. S2 would shift right of S1, and Q2 would move even further to the right.
d. S2 would shift left of S1, and P2 would be higher than P1.