【单选题】在我国,商业贿赂的最主要表现形式是下列哪项?
【单选题】If a perfectly competitive industryis in long- run equilibrium, all frms
A.
have equal marginal costs.
B.
) have identical supply curves.
C.
operate at the point where marginal cost is greater than averagetotal costs.
D.
have identical plant sizes.
【单选题】If a firm buys its labor in a competitive market, then a short-run increase in the price of the firm's output will cause the firm to
【判断题】2012年1月,Z-Corp公司被美国3Dsystems公司收购。