Background: Recognizing the factors of ethical behavior in services organizations can be the background for improving the dominant ethical atmosphere of the organization and facilitate the positive work behavior in different levels of the organization. For this purpose, the present study aims to find the ethical behaviors of workers and managers of Mashhad municipality by considering the meaning and content of ethic and ethical behavior.
Method:  In this study, mix method and exploratory design was performed. The statistical population of research includes all employees and managers of Mashhad Municipality in the central organization. The sample of this study includes 26 employees and 14 managers in qualitative section and 243 experienced employees and 84 experienced managers in quantitative section. Data were gathered by interview and questionnaires. The content analysis was used to analyze the interviews and the initial model of ethical behavior was extracted based on dimensions and components of ethical behavior of employees and managers of Mashhad Municipality. For measuring models, confirmatory factor analysis was used.
Results: The results from the current research indicate that the ethical behavior of the employees could be placed in the three categories. Each of these categories contains various sections and sub sections. Also, the ethical behavior of the managers of the municipality has two categories that include 7 factors and 30 sub-factors. Finally, by using KMO index and Bartlett's test the appropriate number of data was approved. In order to assess the research model, factor loadings were calculated and since all factor loadings were more than 0.3 the research model was approved.
Conclusion: The results of this study show that the task-based approach to assess the ethics and ethical behavior in organizations such as the municipality have an appropriate framework theoretically and can properly explain the ethical behavior of the employees of the municipality.