Studying the impact of income tax on the relationship between r&d investment and financial constraints in companies listed on tehran stock exchange

• Autores: Sedigheh Toutian Esfahani, Reza Yarifard Sedigheh, Hassan Mokhtari Moghari
• Localización: QUID: Investigación, Ciencia y Tecnología, ISSN-e 2462-9006, ISSN 1692-343X, Nº. Extra 1, 2017, págs. 2749-2756
• Idioma: inglés
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• Resumen

  • The purpose of the study is to examine the impact of income tax on the relationship between R&D investment and financial constraints in companies enlisted on Tehran stock exchange. Companies enlisted on Tehran stock exchange during 2011-2015 are regarded as locative and time dimension. 118 companies are selected by eliminated systematic method as sample. In this study, R&D investment was considered as independent variable and financial constraints was intended as dependent variable and income tax was taken into consideration as moderating variable. This is a kind of descriptive-correlative study. Regarding data nature, this is a kind of quantitative study and regarding aim, this is a kind of applied study. Jarque-Bra test is done for normality testing. Regression significance and coefficient significance tests were considered in order to investigate significance in regression pattern. Heterogenity, F-limer and Husman tests were considered as regression pre-test as well. The results showed that R&D investment affected on financial constraints in companies enlisted in Tehran stock exchange. Also, income tax affected the relationship between R&D investment and financial constraints in companies enlisted in Tehran stock exchange.