Background: Investment in the industrial sector can be the driving force of the economy of developing countries, including Iran. Undoubtedly, one of the requirements for the growth of the industry is the use of various energy carriers. The statistics also indicate that one of the major sectors of energy consumption is the country's industry sector. On the other hand, increasing the price of energy carriers can increase the costs of the industrial sector. Therefore, awareness of the amount of influence of investment in the industry sector is necessary to increase the price of energy carriers or the value of fuel consumption for planners and industrialists
Aim: The main purpose of this study is to estimate and investigate the relationship between the price of energy carriers and investment at the level of selected industrial firms in Iran. Also, estimating and investigating the effect of changing the price of energy carriers on the level of investment of companies according to their size in Iran and estimating and examining the symmetric or asymmetric relation of the price of energy carriers with investment at the level of industrial firms in Iran, other objectives this is research.
Methodology: in this study, the effect of the price of energy carriers, firm size, sales and investment of the previous period on the investment of Iran's industrial sector in the period 1382-1397 has been investigated using panel data and fixed and random effects model. The research is applied in terms of purpose and the research method is descriptive-analytical.
Conclusions: the results show that the increase in the value of fuel consumption in firms reduces investment in firm’s level. Investing in large industrial firms is more affected by changes in the price of energy carriers than small industrial firms, so that for larger firms, the effect of consumer fuel value on firm investment is positive; also, the effect of changing the price of energy carriers on the level of investment of fi