The marginal propensity to consume (MPC) is the slope of the:

Scott and Cindy both produce only pizza and tacos. In one hour, Scott can produce 20 pizzas or 40 tacos. In one hour, Cindy can produce 30 pizzas or 40 tacos. Scott's opportunity cost of producing 1 taco is

A) 1/2 of a pizza. B) 1 pizza. C) 2 pizzas. D) 20 pizzas. E) 2 tacos.

When a deadweight loss occurs in a market, we can be certain that

A) taxes have been imposed in a market. B) the market is a monopoly. C) there underproduction in the market. D) the entire society experiences a loss.