The purpose of this research is to investigate the effect of excessive ceo confidence on leadership ethics and institutional investment. The research period was 2013-2013 and 121 companies were selected as samples. Method research descriptive - surveying and relation between variables is causality - correlation and from opinion target practical and from in terms of event, after an event. To process and test the hypothesis of regression and panel data and fixed effects model has been used. The results showed that managers have the trust wow from limit to the reason that's that supply financial foreign to purpose investment at company take full cost they know, at the face need to invest more at the future, profit cash less division they do. Findings showed that there is a significant relationship between the trustworthiness of the ceo and the leadership ethics, and there is a significant relationship between the trustworthiness of the ceo and institutional investors. Increasing the trust of the managers increases the amount of investor's fear of investing.
