Examine the Relationship between Corporate Governance and Institutional Ownership Structure and its Impact on Diversification Businesses Listed Companies in Tehran Stock Exchange

This study investigates the impact of ownership structure on a variety of businesses listed companies on the Stock Exchange has been paid. Sample for this study consisted of 90 participants Perth in Tehran Stock Exchange for the five-year period (2009 to 2014) were analyzed. Using ISIC classification system for individual products, 2-digit and 4-digit codes ISIC the book Guide, Third Edition ISIC -based coding of all industrial goods and services and the site Organization of Industry, Mine and Trade collection and extraction it is. Classification scheme for research data, the soft Excel and software for the calculation and test the hypothesis that the software State software was used. Thus, it became clear that any company several industry (two-digit code ISIC separately) and a Business (codes 4 digit ISIC separately) are different activities. The results show that institutional ownership on a variety of businesses and a significant positive impact.

کلیدواژه ها:

ownership structure ، corporate governance ، business diversification ، institutional ownership