نشریه پژوهش های اقتصاد صنعتی
پیاپی 5 (پاییز 1397)

The present study, investigates the impact of the private ownership intensity on the profitability intensity in the food and beverage industries in each four-digit ISIC code in the Iran’s food and beverage industries. For this purpose, information and data of industries with ten employees and more have been used in combination form for the years 2003-2013 with a statistical society including 23 ISIC four-digit codes. The profitability intensity as the dependent variable and the ownership intensity, advertising intensity, R&D intensity, investment intensity, export intensity and market share are the explanatory variables of the model. The results indicate that there is a positive and significant relationship between the ownership intensity and the profitability intensity. Also, profitability increases as R&D, export and investment  increase,  and profitability decreases as market share and advertising increase.

The capital market, as one of the active financial institutions in economies, has a prominent role in fostering economic growth, investment, job creation and business creation. With the changes in the capital market, variables such as unemployment, t, exchange rates, and so on can change. Given this importance, this study evaluates and analyzes the relationship between major stock market variables and Iran's unemployment rate with an emphasis on industry over the period 1996 to 2017 seasonally using the VECM method. The results showed that stock price shocks, industry index, financial index, number of traded shares and transaction value were explaining 0.362, 5.222, 4.946, 5.760 and 5/466 the percentage of Uemployment changes in Iran.

In this study the impacts of competition policy, including trade liberalization and privatization on the growth of Iran's manufacturing sector will be examined.Studying this issue between Iranian manufactures based on ISIC 4 digit code and dynamic panel approach implies that freer trade (tariff reduction) increases competition pressure for the monopoly industries and thus enhance the efficiency of firms.Also the results show that the privatization policy has a positive effect on productivity growth in manufactures with low competition degree which shows that profitability encourages new owners' incentive to invest on modern technologies or to better use of resources in the level of available technology.Due to the findings of this study emphasize on competitive policies (freer trade and privatization) in manufactures with low competition degree and profitable lead to productivity promotion.

The purpose of this study is to investigate the effect of the company's reputation on the cost of Equity in companies listed in Tehran Stock Exchange. The statistical population of this study is all companies listed in Tehran Stock Exchange during the period of 2006 to 2013 and the sample is 117 companies using systematic elimination method (Systematic Removal Method). Data were collected using modern software and data analysis was performed using the panel method based on econometric method. The result of the research suggests that, with increasing reputation in the company, the cost of Equity of companies accepted in the Tehran Stock Exchange will be significantly reduced.

The purpose of this paper is to investigate the impact of industrial employment on income inequality in developing and developed countries. It covers 18 developed and 19 developing countries from 1999 to 2017 using the dynamic panel econometric approach. The results show that industrial employment is significantly associated with income inequality. In other words, the decline in industrial employment has exacerbated income inequality. According to the results of the model estimation this is higher for developing countries than for developed countries.

This study aims to analyze the regional disparities in industrial productivity during 2003-2013 by using determinants of industrial productivity in the Iranian provinces, which in this study are divided in to firm, employee and expenditure characteristics. To this end, Divisia productivity index is used for calculating the industrial productivity and econometrics panel data with random coefficient is employed for analysis of its determinants. The results show that the characteristics of firm, employee and expenditure affect the industrial productivity of provinces. the results indicate the necessity of paying attention to deterrent and promoter factors of industrial productivity in industrial development strategies of provinces.