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Published in:
2002 | OriginalPaper | Chapter
Multiple Regression Analysis
Author : Professor Badi H. Baltagi
Published in: Econometrics
Publisher: Springer Berlin Heidelberg
Included in: Professional Book Archive
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So far we have considered only one regressor X besides the constant in the regression equation. Economic relationships usually include more than one regressor. For example, a demand equation for a product will usually include real price of that product in addition to real income as well as real price of a competitive product and the advertising expenditures on this product.