49) If immigrant workers and native workers are complements, then both type of workers are hired more together. Immigration will increase the demand for native workers. Therefore, native workers would be better with open borders. Option a) is true.
50) A perfectly discriminating monopsonist pays each of the workers their reservation wage, the wage at which the worker is indifferent between working and not working. Option b) is correct.
42) A profit-maximising monopsonist hires fewer workers and gives them lower wage than they would in perfectly competitive market. Option d) is correct.
40) Lorenz curve shows the cumulative share of income earned by each quintile of households. Option e) is correct.
PLS ANSWER ALL ASAP!! THANK YOU!!!! 49. If immigrant workers are complementary to n dive workers,...