A Numerical Example of the Practical Use of Dummy Variables

Charles Sappington

Journal of Agricultural and Applied Economics, 1970, vol. 2, issue 1, 197-201

Abstract: Although the use of dummy variables in regression analysis is quite common, the implications of alternative models for incorporating dummy variables are not generally understood. References dealing with the use of dummy variables are numerous but scattered in the literature. The purpose of this article is to demonstrate, using numerical examples, the implications and interrelationships among various models which incorporate dummy variables. Five separate models are considered.

Date: 1970
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