Poder de Mercado na Indústria Brasileira de Fertilizantes Npk (04-14-08), no Período de 1993-2006

Graciela Aparecida Profeta and Marcelo Braga

Revista de Economia e Sociologia Rural (RESR), 2011, vol. 49, issue 4

Abstract: Barriers to the entrance, the concentration observed and the increase of prices of fertilizers had conducted to the diffidence of the possibility of the exercise of market power on part of companies which represent the Brazilian industry of the NPK (04- 14- 08) fertilizer. These indications can be a necessary condition, however not enough to affirm the existence and the exercise, in fact, of the power. The objective was to identify the behavior of the representative companies of the NPK (04-14-08) fertilizer industry, through the estimate of the average parameter of behavior, λ. The period of analysis was February 1993 until December 2006. The analysis of the behavior of the firms was based on the New Empirical Industrial Organization (Neio) theory. λ was projected through the interaction of the demand equation and the representative supply ratio of the industry. Under λ, the hypothesis test was applied to know the behavior of the firms. Results did not allow identifying the existence of the market power, except when only the four major companies had been considered. However, it was not possible to make inferences on the exercise of the market power of the four major companies, since that the main concern was regarding the possibility of the exercise, and not the exercise in fact.

Keywords: Agribusiness (search for similar items in EconPapers)
Date: 2011
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Journal Article: Poder de Mercado na Indústria Brasileira de Fertilizantes Npk (04-14-08), no Período de 1993-2006 (2011)
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Persistent link: https://EconPapers.repec.org/RePEc:ags:revi24:341629

DOI: 10.22004/ag.econ.341629

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