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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?
You are a property insurer and one of your potential clients, whose current wealth is $450,000, wants to insure her $250,000 house. The chances of the house burning down in any gi
Consider a linear model to explain pricing of houses: Price = ß0 + ß1lotsize + ß2sqrft + ß3bdrms + u (1) E(u| lotsize, sqrft, bdrms)=0 Var (u| lotsize, sqrft, bdrms)=s2 lotsize4
the following are the weekly amounts of welfare payments made by the federal government to a sample of six families: $139, $136,$130,$136,$147and$136.what is the range
Problem: a) In what circumstances would you apply switching models? b) Using dummy variables for seasonality show how you would test for January effects in financial data?
question number one
Question 1: a) Explain what is a VAR giving an example both in the form of an equation and matrix. Discuss its benefits and limitations. b) How can we estimate a VAR invol
Suppose a small open economy is characterised by the following equations/information: Y =6K 0 L 1-α K 0 = 30,000 L 0 = 10,000
A firm has the certain total revenue (TR) function: TR=(4Q+2) e 4Q where Q is Quantity Find the firm's marginal revenue function.
Which of the following is an example of derived demand?
Explain the difference among the usual (product moment) correlation and rank correlation. In what situations is it more appropriate to use rank correlation?
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