Firms can use CSR in competitive markets as a management tool and may provide firms the opportunity to gain higher profits by diversification. The empirical evidence from Orlitzky et al (2003), who research the relationship between benefits and costs of CSR, and the research found the positive relation between profits and CSR. The research uses the Dow Jones Sustainability Index (DJSI), and the reason for use DJIS is that it is not only expert on CSR but also of industry specific expert who are familiar with official documents and their explanation with industry specific characteristics. The DJIS contain the top 10% companies of the best performance of the Dow Jones Global Index (GJGI). The research chooses 253 companies in the DJGI in 1999 and 2000. In order to compare to earlier studies that the company specific data of the DJSI and the DJGI companies are collected from 1997 to 2008 from the Thomson data base, at the same time, the ROE, ROIC, and the EBIT are used for profit measures. Furthermore, the cost of sold goods, the net margin, and the debt of a firm as independent variable is contains as well. In this study are interested in the effect of index inclusion for companies for being listed into the DJSI which is the average treatment effect on the treated (ATT). ATT needs the assumptions of the control group and of the weak overlap, and the assumption indicates that the non-treated group’s result should be independent form the treatment.