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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?
Suppose years of schooling, s , is the only variable that affects earnings. The equations for the weekly salaries of male and female workers are given by w m = 500 + 100 s and
A firm manufactures and sells a product that has the following demand function: Q = 180 - 4P where P is price, Q is quantity. It also faces the following
Choose a share from a market such as LSE, NYSE, NASDAQ, etc. [Data sources could be Datastream, Google Finance or others]. Prepare a report which involves the following aspects:
The firm is considering manufacturing a second product in its factory alongside the first. The demand functions for the two products are: Q d1 =180 - 4P 1 Q d2 =90
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
What is the expected value and variance of y = 3x+2 knowing that E(X) = 8 and var(X) = 4.
A thick walled cylinder has internal and external diameters of 120 mm and 420 mm respectively. It is made from a ductile elastic material of your choice and is used to contain hot
In the United States, a buyer of a new electric is eligible for a one-time federal income tax credit of up to $4,000. Show the effect of this tax credit graphically, assuming the $
how to find the relationship for a simple linear model?
Gruen&Pagan(1999) "The Phillisp Curve in Australia" identified that NAIRU is non-constant over the period. Provide an econometrics evaluation of the claim that NAIRU is non constan
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