Objective: The aim of this study was to provide a model for tax risk measurment in the first
step, and to examine the impact of tax risk and social responsibility as well as their
interactive effect on the value of companies accepted in the Iranian capital market in single-,
three-, four-and five-factor pricing models, in the next step. Another aim was to compare the
explanatory power of the models of capital asset pricing. Methods: In this study, the data of
103 companies listed in the Tehran Stock Exchange, TSE, during the years 2011-2017 were …