如果结果不匹配，请 
更多“请就衰减曲线的特点，说明对产品创新有何启示。”相关的问题
均房间数量(rooms)之间的关系：
(i)β1和β2的符号可能是什么？对β1有何解释？请加以说明。
(ii)为什么nox[或更准确地说，是log(nox)]与rooms可能负相关？如果是样，将log(price)对log(nox)进行简单回归得到β1的偏误估计量是偏高还是偏低？
(iii)利用HPRICE2.RAW中的数据，估计出如下方程：
根据你在第(ii)部分的回答，就price对nox的弹性估计值而言，上述简单回归结果和多元回归结果之间的关系与你的预期一致吗？这个结果是否意味着-0.718比-1.043更加接近真实弹性？
(1)假定其中一种产品实施配给。解释为什么消费者的境况可能变差。
(2)假定其中种产品被固定在当前市场价格以下的水平，因此消费者不能想买多少就买多少。你觉得消费者的境况是变好了还是变差了？
Draw a budget line and then draw an indifference curve to illustrate the satisfaction - maximizing choice associated with two products. Use your graph to answer the following questions.
a Suppose that one of the products is rationed. Explain why the consumer is likely lo be worse off.'
b. Suppose that the price of one of the products is fixed at a level below the current price. As a result, the consumer is not able to purchase as much as she would like. Can you tell if the consumer is better off or worse off？
有何影响？
