What is the most important effect of labor productivity in a cost-push inflation scenario? A.Rising productivity indicates a strong economy and a bias towards inflation. B.The productivity level determines the economy’s status relative to its “natural rate of unemployment.” C.As productivity growth proportionately exceeds wage increases, product price increases are less likely 这题为什么不选A 而选C呢？

If companies earn economic profits in a perfectly competitive market, over the long run the supply curve will most likely: A. shift to the left. B. shift to the right. C. remain unchanged. 按照老师讲的 LR 的 Economic profits 不是应该消失，只能获得normal profit，而且LRS不应该是一条垂直于X轴的线吗？

The demand schedule in a perfectly competitive market is given by P = 93 – 1.5Q (for Q ≤ 62) and the long-run cost structure of each company is: Total cost: 256 + 2Q + 4Q2 Average cost: 256/Q + 2 + 4Q Marginal cost: 2 + 8Q New companies will enter the market at any price greater than: A. 8. B. 66. C. 81. Perfect competition market 的条件不应该是 P=AR=MR=MC=AC 吗？ 那我直接用P=MC求出来Q，按道理说不也能得出答案吗？ 但是答案为什么不一样啊？

请老师讲解一下21题 看答案好像是本币贬值了 但是看题目不太理解为什么 currency升值为什么不是造成本币升值呢

If the price elasticity coefficient of the demand curve for paper clips is equal to –1, demand is: A. elastic. B. inelastic. C. unit elastic 为什么这题选C啊？

Liquidity-based format作用是什么，也是评估流动性?为什么会有这个format产生

33题没有理解 谢谢老师

老师 用cost of units减去net realisable value 再乘以ending inventory这个公式啥意思呢 表示没有看懂答案

Excess return的计算中，为什么spread要用期初的（2.75%）？收益率在整个周期中发生变化，用期初和期末平均的不是更好么？

net lease和gross lease的付费区别这块讲反了吗？讲义上写的是gross lease 需要owner支付费用，视频讲的是不需要。