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AHRAM CANADIAN UNIVERSITY (ACU) FINAL EXAM
SCHOOL OF BUSINESS ADMINSTRATION MANAGERIAL ECON.
FEBRUARY 9TH , 2007 TIME: 2 HOURS ___________________________________________________________________
Part (I): Answer 2 of the Following Questions: - (15 Points)

1- Which of the following forecasting methods are appropriate for predicting business cycles? a- Trend projections.. b- Leading economic indicators. c- Lagging economic indicators. Explain.

2- Cite and discuss possible reasons a firm may actually find it self operating in the stage (II) diminishing returns of the short-run production function.

3- Write Short Notes On the Following: a. Law of diminishing return vs. law of return to scale. b. Elasticity of demand. c. Quantitative forecasting techniques vs. qualitative forecasting techniques. d. Short-run production function vs. long-run production function. e. Cobb-Douglas Production Function.

4- Define the law of diminishing returns. Why is this law considered a short-run phenomenon?

5- Discuss the benefits and drawbacks of the following methods of forecasting: a- Jury of executive opinion b- The Delphi method c- Opinion polls Each of these methods has its uses. What are they?

6- A staff at the water cooler:” My regression model of demand is better than the one the consultant prepared for us because it has a higher R2. Besides, my equation has three more independent variables and so is more complete than the consultant’s” comment on this statement .Would you agree with the speaker? Explain.

7- Define the economies of scale. How does this relate to return to scale ? Cite and briefly discuss the main determinants of this phenomenon.

8- Assume

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