Detecting Corporate’s Earnings Manipulation in Thailand Corporate Governance Attributes and Audit Report Timeliness: Mediating Role of Corporate Disclosure and Transparency and Moderating Role of

quarter of 2018 ( “4Q’18”) was THB 394 million, increased 7% yoy. Non-social security yoy revenue growth was highly 12% while social security revenue growth slightly increased. The non-social security

in year 2017 (“2017”) increased 16% yoy. This increase was driven by both non-social security and social security part. Accelerated revenue growth from social security came from higher number of

Quantitative methods in accounting research A String of Earnings Increases, Future Earnings Uncertainty, and Firm Fundamentals Sarayut Rueangsuwan Kasetsart University SEC Working Papers Forum 19th

Statement 1Q 1Q % Unit : THB million 2018 2017 change Revenue from non-social security 218.24 177.27 23% Revenue from social security 164.68 136.58 21% Revenue from Hospital Operations 382.92 313.85 22% Cost

quarter of 2018 (“3Q’18”) was THB 427 million, increased 9% yoy. Non-social security yoy revenue growth was highly 18% while social security revenue growth slightly decreased. Non-social security’s

million, increased 16% yoy. The non-social security revenue and social security revenue grew by 14% and 20% respectively. The growth of non-social security revenue was driven by both OPD (15%) and IPD (12

Statement 2Q 2Q % 6 mth 6 mth % Unit : THB million 2018 2017 change 2018 2017 change Revenue from non-social security 212.10 178.03 19% 430.34 355.30 21% Revenue from social security 171.37 153.92 11% 336.06

charges expenses 0.53 0.14 3. Kabin Patthanakij Co., Ltd. B - Sale of products/ raw materials 19.94 3.01 4. Pitakkij Security Guard Co., Ltd. B - Security fees expenses 7.45 1.38 5. Thai Itokin Co., Ltd. B

change Revenue from Non-Social Security 251.34 248.35 1% Revenue from Social Security 195.89 197.53 -1% Revenue from Hospital Operations 447.23 445.88 0% Cost of Hospital Operations 304.70 285.42 7% Gross