sustainability; case study of an anonymous revenue office in Bangkok Region by using In-depth interview technique participative observation and open-ended questionnaire. The participants in the interview process consists of management superintendents and operators totaling 22 persons. The results show that there is a harmonization in each operational level of the organization and comply with the three objectives of risk management under COSO approach. However there is a lack of a measurement of successful level Evaluation to strategic planning and clear hedging guidelines under COSO - ERM in order to build concrete sustainability for the organization. In this study the author has proposed conceptual framework about factors affecting the effectiveness of risk management for organization sustainability to be tested in the future.

This study examined risk measurement of 3 ASEAN capital markets during year 2009 – 2013. The objective was to study and compare risk of 3 ASEAN capital markets before and after integration of 3 ASEAN member countries : Thailand Malaysia and Singapore. GARCH Model was used for estimating risk in order to measure the daily securities price index of 3 ASEAN member countries The study split the data into two time periods the first period before integration starting from December 1st 2009 to December 1st 2011 and the second period after integration starting from December 1st 2012 to December 1st 2013. The results show volatility which is transferred by the stock exchange and the other stock exchange. The internal and external factors caused the volatility. The level and direction of volatility was likely to depend on balance between listed companies structure and economic structure of those countries characteristic of the stock exchanges and the majority of the investors of those stock exchanges.