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Problem 1:
(a) Using examples explain the concept of cointegration.(b) Explain the term ‘stationarity' and its importance.(c) Differentiate between stochastic and deterministic trends?
Problem 2:
Write short notes on the following: (a) Unit root tests (b) 3 S's (c) Spurious regression (d) Dummy variable trap (e) CLRM assumptions
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 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
(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
compare the price elasticity of demand on two parallel demand curves for a given price and for a given quantity
What is the expected value and variance of y = 3x+2 knowing that E(X) = 8 and var(X) = 4.
examples of economic relationships
Choose Y and X variables to model on the Household and the Environment Survey 2006. Using Ox software to write a program to do estimation, and then write a report based on the an
how might short and long term goals between a business and the government differ?
Calculate the incremental profit Electron Control would earn by customizing its instruments and marketing directly to end users.
Profit maximization is theoretically the most sound but practically unattainable objective of business firms. In the light of this statement critically appraise the Baumol’s sales
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