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Author Question: The reason why estimators have a sampling distribution is that A) economics is not a precise ... (Read 161 times)

laurencescou

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on: Jun 29, 2018
The reason why estimators have a sampling distribution is that
 
  A) economics is not a precise science.
  B) individuals respond differently to incentives.
  C) in real life you typically get to sample many times.
  D) the values of the explanatory variable and the error term differ across samples.

Question 2

Using the fact that the standardized variable Z is a linear transformation of the normally distributed random variable Y, derive the expected value and variance of Z.
 
  What will be an ideal response?


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lindahyatt42

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Reply #1 on: Jun 29, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: Z = Y = a + bY, with a = - and b = . Given (2.29) and (2.30) in the text, E(Z) = - + = 0, and .


laurencescou

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Reply 2 on: Jun 29, 2018
Thanks for the timely response, appreciate it

alexanderhamilton

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Reply 3 on: Yesterday
Excellent

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