Suppose there are two types of employees: type-a and type-b. employers cannot distinguish between the two but know that type-a employees are more productive. specifically, the value of a type-a employee to the firm is $20 and the value of a type-b employee is $10. the cost of education for type-a employees is 2e, where e is a year of education; the cost for type-b employees is 4e. if type-a employees make up 25 percent of the population, what is the pooling equilibrium?

Upper a report about the decline of western investment in third world countries included this: "after years of daily flights comma several european airlines halted passenger service. foreign investment fell 400 percent during the 1990 s." what is wrong with this statement? choose the correct answer below. a. if foreign investment fell by 100 % comma it would be totally eliminated comma so it is not possible for it to fall by more than 100 %. b. the actual amount of the decrease in foreign investment is less than 100%. c. if foreign investment fell by 100%, it would be cut in half. thus, a decrease of 200% means that it would be totally eliminated, and a decrease of more than 200% is impossible. d. the statement does not mention the initial amount of foreign investment.