Shirley can choose between peanut butter pretzels and caramel coated popcorn for her evening snack. According to economists, her _____ cost of consuming caramel coated popcorn would be the forgone peanut butter pretzels

Renewable resources are those that

a. can be renewed, but only with the use of energy resources. b. are constantly being renewed by nature. c. will inevitably run out over time, like all other resources. d. are not really scarce, because they are constantly renewed naturally.

All differences in wages that are not accounted for by differences in human-capital investment are likely to be a result of discrimination

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