Which goods did NOT decrease in price between 2000 and 2015?

A firm faces the following relationship between the real wage it pays and the effort exerted by its workers. The marginal product of labor for this firm is given by MPN = E (100 - N)/9

The firm will choose to pay a wage such that the effort level is A) 20. B) 24. C) 27. D) 29.

If tax revenues from a cigarette tax are used to pay for healthcare expenses related to lung cancer, the cigarette tax could be justified using the __________

Fill in the blank(s) with correct word