An easy way to apply economic theory to actual analysis – a technical means for applied economists

Yasumi Matsumoto

International Journal of Economics and Business Research, 2009, vol. 1, issue 2, 153-164

Abstract: In the application of economic theory to actual analysis, we are often bewildered how to use theory because the framework normally supposes the existence of all cases, which is not actually realised. Here, I introduce an easy way to significantly reduce cases to examine while maintaining the theoretical conclusion. When all cases are deployed, there are three approaches to examine the relationship among chosen elements: vertical, horizontal and random, for which set expansion and contraction properties, k-set feasibility or basic binariness, and revealed preference are generally used, respectively. We concentrate on first two approaches and significantly weaken the approaches to cascaded choice structure and specific k-set feasibility, respectively. Finally, we show how our approach reduces the number of cases to examine in the framework of collective choice theory. The reader will see how effective and easy to handle this approach is in the application of theory.

Keywords: choice theory; consistency property; k-set feasibility; preference relation; economic theory; economic analysis; applied economics. (search for similar items in EconPapers)
Date: 2009
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Persistent link: https://EconPapers.repec.org/RePEc:ids:ijecbr:v:1:y:2009:i:2:p:153-164

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