If a firm in the U.S. wants to purchase 50,000 yuan worth of raw materials from a Chinese firm, how many dollars would it have to transfer to the firm? Assume that one dollar exchanges for 6 yuan in the foreign exchange market

Holding the price of a firm's output constant, if the marginal product of labor increases

A) the marginal products of other inputs also increase. B) the marginal revenue product of labor also increases. C) the marginal revenue product of labor may increase or decrease. D) the marginal revenue product of labor decreases.

When using rational expectations, forecast errors will, on average, be ________ and ________ be predicted ahead of time

A) positive; can B) positive; cannot C) negative; can D) zero; cannot