文章基本信息

标题：An explanatory model of stock prices in the Brazilian transport sector
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作者：Alexandre Rodrigues da Silva
期刊名称：Revista UNEMAT de Contabilidade
电子版ISSN：2316-8072
出版年度：2020
卷号：9
期号：18
页码：87-101
DOI：10.30681/ruc.v9i18.4428
出版社：Universidade do Estado do Mato Grosso
摘要：The aim of this study is to establish an explanatory model of the variation of the prices of shares from the transport sector listed in B3. Methodology: Daily stock prices were collected from companies in the transport sector listed on B3 since its IPO until December 31, 2019. Companies that were not on the floor on this date were discarded. As an analysis tool, simple and multiple linear regressions were used. The dependent variable (annual variation in the share price of the transport sector) was subjected to variables such as exchange rate variation, economic activity, as well as important inputs such as wages and fuel, and the Ibovespa variation. Results and conclusions: a model with less variables (Ibovespa variation and inflation variation) was adopted, where a determination coefficient of 0.5131 was obtained (linear coefficient of 0.716). The model, therefore, is closely linked to the stock index and the variation in the inflation index, giving a much more financial profile to these assets.
关键词：Transport; Logistics; determinants