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If the scatter plot between a dependent time series variable and an independent time series variable is curvilinear (curves upward over the data series) what should the forecaster investigate to improve the performance of a linear regression model for the variables?
A. Difference the X data to reduce its value relative to Y.
B. Create a dummy variable that explains the curvilinear relationship.
C. Seasonally adjust the Y variable to remove some of the variation.
D. Use a natural log or other transformation of the X data as a dependent variable.
E. Nothing, just run the regression on the data as it is since it cannot be improved.
Discuss what happens to equilibrium price and sales. Explain why or why not this makes sense in the real world.
In a two firm market, let the total cost of producing a product be 2Qi, the inverse market demand be given by the function P = 20 - Q and the market quantity be equal to Q = Q1+Q2. Assume firms compete in quantities, what is the quantity for firm 1 t..
What investment will you choose if your utility function were given by U(M) = M2 ? What is the certainty equivalent of the chosen investment?
A city is spending $20 million on a new sewage system. The expected life of the system is 40 years, and it will have no market value at the end of it life. Operating and maintenance expenses for the system are projected to average $0.6 million per ye..
The overall population for Region A is 95 million people. The labor force contains 67 million people. 32 million people are employed, while 35 million are unemployed. What is the unemployment rate? Round your answer to the nearest whole number.
Calculate the current velocity of money from the Federal Reserve Database (FRED). Using the Weekly, Seasonally Adjusted, M1 Money Stock, Updated: 2015-07-02 and the Quarterly, Seasonally Adjusted Annual Rate, GDP, Updated: 2015-06-24 - posted for the..
suppose that the carnival and the circus have both come to town and are both o?ering free admission. you have 6 free
Among the problems that hinder growth in developing economies are poor infrastructure, lack of financial institutions and a sound money supply, a low saving rate, poor capital base, and lack of foreign exchange. Elucidate how these problems are int..
illustrate what is the corresponding marginal cost function. at illustrate what o/p is AVC at its minimum.
Write two key assumptions of Lewis' two sector model that give rise to its conclusions? How would the model's conclusion differ if these assumptions do not hold?
If the doctor wishes to maximize her profit, elucidate how many nose operations she should perform each month.
Use a short-run Phillips curve to Explicate why the inflation rate may decrease over the course of 2009. Under Illustrate what circumstances might the inflation rate not decrease during 2009.
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