Market share,advertising, R&D,and profitability: An empirical analysis of leading industrial firms in Japan |
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Authors: | Takeo Nakao |
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Institution: | 1. Department of Economics, Doshisha University, Karasuma Imadegawa, Kamikyoku, 602, Kyoto, Japan
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Abstract: | This paper develops a dynamic model of a leader firm which chooses the time paths of R&D and advertising inputs so as to maximize the present value of expected profits. From this theoretical model simultaneous-equations system for market share, advertising, R&D, and profitability is derived and estimated using the data on the leading industrial firms in Japan. Our results show that, as far as top firms are concerned, market share and demand growth have significant positive effects on profitability, and an increase in the stock of goodwill increases market share as well as profitability.This study was financially supported by the Ministry of Education in Japan. Helpful comments were provided by H. Odagiri. Also I am indebted to an anonymous referee for advice and criticism on various points. |
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Keywords: | Profitability market share advertising R& D Japanese firms |
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