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Consider a Simple Linear Regression Model (SLRM) of the form y= a1+a2X+e where e ~ N(0,σ2)(Use the assumptions outlined in our class and available for review in the lecture notes posted on RamCT to answer the following questions)
(a) Identify the dependent variable in this model. Is it random? If so, how is it distributed (what is the mean and variance)? Is it observable or not?
(b) Identify the parameters of this model. Are they random? If so, how are they distributed (what is the mean and variance)? Is it observable or not?
(c) Identify the error term in this model. Is it random? If so, how is it distributed (what is the mean and variance)? Is it observable or not?
expected solution plus hypothesis
what is the source of heteroseedasticity
suppose only one professor teaches economics at your university, would you say that this prof is a monopolist who can exact any price from students in the form of readings assigned
demand for tea, Y, are assumed to be affected by income of students, X. A simple linear regres-sion analysis was performed on 20 observations and the results were: Independent vari
The following table gives data on the Consumer Price Index (CPI) and the Standard & Poor (S&P) company''s index of 500 common stock prices. Year CPI Index S&P 500 Index 1978 65.2 9
My econometrics assignment is due for monday, August 18th. I''m running out of time and need a help to meet the deadline. I need answers for 4 problems from the basic econometrics.
(a) What is a white noise process? (b) Distinguish between exogenous and endogenous variables, using examples. (c) What do you understand by simultaneity bias and can OLS
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I am trying to apply weighted least squares but Im not getting a very good fit when I regress the residuals on the variables so I don''t think the weights will be very good
A perfectly competitive firm hires its machines at a constant rental rate of r = 5 euros per unit and its workers at a constant wage rate of w = 4 euros per unit. It can also sell
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