the answer is ...a market for coupons to develop
Rationing a product by coupons when recipients are allowed to sell them will cause
a) the price to rise and the revenues to flow to producers of the product
b) greater congestion problems in the marketplace
c) a market for coupons to develop
d) the price of the product to be held constant at the control price
e) all of the above
c) a market for coupons to develop