The objectives of this research were to study the personal and environment and investment experiences factors influencing decision making to invest in the provident funds of The Office of the Rubber Replanting Aid Fund’s Staffs. The sample consisted of 341 persons from Rubber Replanting Aid Fund’s staffs at Bangkok office (central region). The research instrument was a questionnaire and using the descriptive statistic such as mean percentage standard deviation to analyze the data and Exploratory Factor Analysis : EFA and Binary Logistic Regression Analysis to test the hypothesis. The results of the study found that sex age the knowledge and investment experiences the risks of investment the economy the politics differences influencing the decision making to invest in the provident funds of The Office of the Rubber Replanting Aid Fund’s Staffs at statistically 0.05 significant level.

The objective of this research aimed to study factors affecting earning persistence and firm value of list firms in the stock exchange of Thailand in set 100 Index. The data was collected in 5 years period from 2011 – 2015 which including 213 samples and then analyzed data by using descriptive statistics and multiple regression analysis. The research revealed growth rate of sales current earnings and cash flow for short term investment reflected to earnings persistence. Furthermore this research also shed some light on factors affecting firm value and found that earnings persistence financial risk dispersed ownership structure and discretionary accrual directly affected to firm value. These results provided more information to investors about significant factors for decision making especially discretionary accrual factor. Therefore firms who have low level of earnings management and high level of earning persistence will reflect to future firm value.

This research was aimed to analyze work performance classified by personal information to investigate internal factors of support personnel work performance and influence of internal factors affecting work performance of the support personnel at Rajamangala University of Technology Phra Nakhon. The population used in this study was 693 staff working at Rajamangala University of Technology Phra Nakhon Bangkok. The sample size was determined by Craig and Morgan method to draw out 250 samples. The research instrument was a questionnaire constructed by the researcher to collect data manually. The data obtained from the questionnaire were analyzed using percentage mean standard deviation and T-test F-test ANOVA Pearson coefficient and multiple regression analysis. The research revealed the results as follows. Work performance of the support personnel of Rajamangala University of Technology Phra Nakhon in the overall was at high level with the mean Organization factors of the support personnel of Rajamangala University of Technology Phra Nakhon in the overall was at high level with the The results of the study on personal factors agreed with the overall performance of Rajamangala University of Technology Phra Nakhon personnel. It was found that the status salary and educationhours and working centers were significantly different .

This research aimed to study the factors affecting return of gold futures in Thailand futures exchange. The study used the daily historical data of five years from January 1 2011 - December 31 2015. There were five factors to be used in the study. They were Interbank Rate Set Index Exchange World Crude Oil Price and Gold Price and Used the Descriptive statistics to test the basic data and the Multiple Regression Analysis to test the hypothesis. The study found that the Interbank Rate Set Index Exchange Rate World Crude Oil Price and Gold Price were able to forecast the Coefficient of Determination (R2) approximately at 0.617. It showed that the independent variables in the model could explain the change of dependent variable at 61.70% and found that the most affecting factors on return of gold futures were Gold Price and Interbank rate by having the same directional relationship with the return of the Gold Futures in the Thailand Futures Exchange.

The objectives of the research were; 1) to Study the level of competitive advantage and 2) the factors that its influences through the competitive advantage. The population and sample group used in this research were an executive director owner manager general manager and the chief accountant and finance of 3-5 star hotels and resorts in Phuket by using questionnaire (IOC tested) the construct validity and reliability for 89 complete questionnaire that it was responded rate 23.18. The results of this investigation were as follows: 1) An efficiency of using asset to make a profit; Impact of competitive environment was found that the negative result in significant level at (α˂0.10). 2) Customer loyalty for products and services was found that the positive influencing factors such as good corporate governance at (α˂0.01); strategic management efficiency at (α˂0.01); and Internal controls effective following COSO at (α˂0.10) respectively. 3) Reputation of the business was found that the Positive influencing factors such as Internal controls effective following COSO (α ˂ 0.01); Good corporate governance and Strategic management efficiency at (α ˂ 0.05). and 4) Value of assets that value added to business was found that the positive influencing factors as well as Strategic management efficiency; Internal controls effective following COSO respectively in statistically significant level at (α ˂ 0.01). While the technology and innovation (α˂0.05) and good corporate governance positive that made the influences beyond the positive regression in statistically significant level at (α ˂ 0.10) respectively. Keywords : Competitive Advantage; Internal Controls Effective following COSO; Strategic Management Efficiency; Impacet of Competitive Environment; Good Corporate Governance; and Technology and Innovation