The Investigation of Effects of Average Size of Industry and Primary Capital on the Manufacturing Companie's Survival Using Hazard Function in Mazandaran Province

The aim of this work to consider average influence of industry average size and primary capital on manufacturing companies’ survival of Mazandaran province in 1360-1390 years. Data and information have been obtained from database in mining and industries office of Mazandaran province and by using eventual- historical analyze method the efficacy of independent variables on companies survival has been determined. It has been used «product limit estimator model» (Kaplan-Mayer) to data analyze. For examining hypotheses، Cox regression semi parametric model (Hazard Function) and comparing survival functions have been used. In result of research، a meaningful relation between average size and primary capital of industry with manufacturing companies’ survival has been confirmed. According to comparing survival functions of industries، it was concluded that average size and primary capital influence in each industry، is different with other industries