From an economist's viewpoint, discrimination occurs if there is a wage differential between two groups when there is no difference in the marginal revenue product of the two groups

The United States has no comparative advantage in shipping, so a domestic shipping industry has no reason to exist

a. True b. False Indicate whether the statement is true or false

Jacob and Mason go to a diner that sells burritos for $5 and tacos for $3 . They agree to split the lunch bill evenly. Mason chooses a taco. The marginal cost to Jacob of ordering a burrito instead of a taco is

a. $1. b. $2. c. $2.50. d. $3.