Background: One of the most important challenges for today's effective managers is how to ‎create suitable sub-bases for human factors for developing ethical and citizenship behaviors in ‎an organization. The purpose of this study was to investigate the relationship between ethical ‎values and the incidence of ethical behaviors and citizenship with respect to the role of ‎mediation of justice and organizational commitment.‎
Method: The research method is descriptive-correlation. The statistical population consist ‎of 946 employees of Telecommunication Company of Tehran province, and a sample of 274 ‎people was selected using Morgan's table. They were selected by simple random sampling ‎method. The data gathering tool was a researcher-made questionnaire. The validity of the ‎questionnaire was evaluated by experts through an experimental and confirmatory factor ‎analysis method, and its reliability was calculated and validated by Cranbach's alpha coefficient‎‎ (0.84). The hypothesis test was conducted using Pearson correlation and structural equations.‎
Results: There is a positive relationship between the ethical values of the organization with the ‎mediation of justice and organizational commitment and the appearance of ethical behaviors in ‎the organization. There is a positive and direct relationship between the ethical values of the ‎organization with the mediation of organizational commitment and incidence of organizational ‎citizenship behaviors. There is a positive and direct relation between ethical behaviors and ‎organizational citizenship behaviors. The relationship between organizational justice and the appearance of organizational ‎citizenship behaviors was not confirmed.‎
Conclusion: ‎Creating ethical values in the organization will lead to ethical behaviors. Ethical values can also ‎be used as a tool for the development of citizenship behaviors.‎