INTERNAL CONTROL SYSTEM EFFECTIVENESS OF THAI-LISTED COMPANIES: AN EMPIRICAL RESEARCH OF ITS ANTECEDENTS AND CONSEQUENCES

摘要

For this research, the objective is to investigate both an antecedents and consequences of internal control systems effectiveness of Thai-listed companies. The antecedent variable of internal control systems effectiveness is executive manager support, AIS competency, and internal auditor professional. Furthermore, the dependent variable of internal control systems effectiveness is financial report reliable; promote efficiency and effectiveness, compliance with law and regulation, and corporate sustainability. Thai-listed companies are samples of the research by using questionnaire as an instrument. The overall results indicate that executive manager support, AIS competency, and internal auditor professional have a positive significant effect on internal control systems effectiveness. Moreover, the dimensions of internal control systems effectiveness including control environment, risk assessment, control activities, information and communication, and monitoring have a positive significant effect on financial report reliable; promote efficiency and effectiveness, compliance with law and regulation, and corporate sustainability. Moreover, both promote efficiency and effectiveness, and compliance with law and regulation has significantly influence on corporate sustainability. The results reveal that corporation should focus on executive manager support, AIS competency, and internal auditor professional in order to building internal control systems effectiveness, financial report reliable, promote efficiency and effectiveness, compliance with law and regulation and corporate sustainability. Overall, the finding contribute to internal control manager, internal auditor, and corporation to emphasize on develop and support generating internal control system effectiveness in order to enhanced corporate governance and corporate sustainability in long term.