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The purpose of this research was to examine and analyze Self-Efficacy and Organizational Citizenship Behavior against Knowledge Sharing mediated by Abusive Supervision. The research was conducted in securities companies that are members of the Indonesia Stock Exchange located in Central Java and Yogyakarta with a sample size of 100 respondents, using quantitative methods. The data collection technique by using a questionnaire that is distributed via a google form. Statistical techniques use SEM (structural Equation Modeling) with the help of SMART PLS software. The research results found ; (i) there is a significant negative influence between Self-Efficacy on Abusive Supervision, (ii) there is a significant negative effect between Organizational Citizenship Behavior on Abusive Supervision, (iii) there is a negative and significant influence between Abusive Supervision on Knowledge Sharing, (iv) there is a positive and significant influence between Self-Efficacy on Knowledge Sharing through Abusive Supervision, (vi) there is a positive and significant influence between Organizational Citizenship Behavior on Knowledge Sharing through Abusive Supervision of employees of securities companies members of the Indonesia Stock Exchange located in Central Java and DIY.  

The purpose of this study is to understand the relationship between the Knowledge Exchange & Combination (KEC) and the Leader-Member Exchange (LMX). The research uses objects in the construction industry, which have characteristics: intense competition between players, innovation must be created in a short time and is a form of project-based organization. This study uses a unit of analysis of the dyadic relationship between the general manager as the leader and the project manager as a follower, the research sample is in the form of 121 projects scattered throughout the country, while the research object is an SOE construction company in Indonesia. The participation rate was 97.52 percent, namely 118 projects, while the analysis used descriptive statistics and correlation methods. The results showed that the KEC variable was correlated with the LMX variable, especially with the Influence Dimension of 0.789 and the Dimension of Professional Rewards 0.700. Therefore, KEC can be represented by LMX's perception of followers.