ความสัมพันธ์ระหว่างการเปิดเผยข้อมูลการวิจัยและพัฒนาและราคาหุ้นของบริษัท ที่จดทะเบียนในตลาดหลักทรัพย์แห่งประเทศไทยในกลุ่ม New S-curve

Abstract

The purpose of this research were to study the level of research and development disclosure of listed companies on the Stock Exchange of Thailand in the New S-curve group and to test the differences in research and development disclosure between industries of the New S-curve group as well as to test the relationship between the research and development disclosure and the share price of listed companies in the New S-curve group by collecting data from the annual report between 2016 and 2021, totaling 76 companies, consisting of research and development disclosure, size of business, age of business, industry type, risk, profit, audit committee and Covid-19 by analyzing descriptive data, ANOVA, correlation analysis, and multiple regression analysis. Results from 2016 to 2021, it was found that in 2020, the overall research and development disclosure score was the highest. As for the number words of research and development disclosure, it was found that 2021 had the most disclosure of research and development and decrease until 2016.Based on the data analysis, the difference in research and development disclosure scores and research and development disclosure word count between industries It was found that the industry group had a significant effect on research and development disclosure at 0.05, and from the correlation test, it was found that research and development disclosure scores do not correlate with share price. Research and development disclosure word counts were positively correlated with share price. at a significance level of 0.10, size and age of business had a positive correlation with the share price at a significance level of 0.05 and 0.01.