is random and spread out. • Assign evaluation date to a randomly selected control group firms, then compute mean BHAR for the pseudo sample resulting in one pseudo sample mean. • Repeat previous step
, capitalization of the Lake Charles Gas Cracker and the adoption of new TFRS during the quarter. • Combined PET segment which also comprises our flagship PET business has seen resilient demand and improved margins
กลุม่ กราฟแสดงสดัส่วนการลงทุนในปัจจุบนัท่ี Standardized แลว้ Investor types Mean Rank of mean within same investor types Rank of mean across investor types Cash Holder Old- Fashioned Modern Investor Cash
the same period of the year earlier and has gross profit margin of 31.89%. because the company has improved the structure within the organization. The company has administrative expenses of THB 3.56
study tests for the improved performance of the Wilmott (1994) model over that of the Black-and-Scholes (1973) model in hedging effectiveness of SET 50 Index options being traded on Thailand Futures
more than its target, which reflected in 2019 gross margin increase by 250 bps YoY to 34.9%. Q4’19 Gross margin was slightly improved 50 bps YoY and recorded at 35.0%, despite the impact of new sugar tax
Coefficient of variation = Standard deviation/Mean, higher the coefficient of variation, higher the variability in the data Note: IVL NAM Spreads over raw material based on 100% PET integration from Ethane
– σ2)]. The Analysis of Hedging Error • The analysis of the hedging error have considered the problem of reducing the deviations or spread of the hedging error. Usually the root mean squared error (RMSE
Attn : The Directors and The MAI Manager Ref: Dimet AC 1802/001 February 13, 2018 Attention: The Directors and The MAI Manager The Stock Exchange of Thailand Subject: Report on improved Q.2’s
margin of (11.49%). because the company has improved the structure within the organization The company has administrative expenses of THB 7.62 million, increase of THB 1.17 million or 18.03% compared to