announcing direct investment in cryptocurrency become more interconnected with bitcoin. Event-study: Abnormal Returns (AR) Market model • 𝐴𝑅𝑖,𝑡 = 𝑅𝑖,𝑡 − 𝛼 − 𝛽𝑖 (𝑅𝑚,𝑡) Cumulative abnormal
, complexity, nature of the business environment, specific circumstances , and industry sector. H1: Number of KAMs is positively associated with cumulative abnormal returns/trading volumes (that is the greater
the auditor not understanding the transaction recording system through the use of journal vouchers. In addition, an auditor did not separate journal vouchers into normal and abnormal transactions and
investigate which types of market participants are more likely to implement such trading strategy and provide abnormal liquidity to the market at threshold prices. • H1: The existence of different relative tick
December 2018. The major increase item is raw material which is result from the strategic buy of raw material under the abnormal market situation in last year. Unit : Million Baht 31 Mar 2019 31 Dec 2018
as the "Hot Line" to handle public inquiries in certain circumstances. In 2007, the SEC Help Center received 2,219 inquiries and 378 complaints. The most frequent issues of complaint were those in
firms from Singapore and Thai exchanges. • Next, firms sorted into decile groups by price and top decile price range is eliminated. • Assume event firm abnormal returns are independent as RTO occurrence
has loss on cost of goods sold because the declining of raw material price and abnormal loss in manufacturing process. 2. Cost of Refining Service in the 2nd quarter of 2015, and 2014 cost of sale was
declining of raw material price and abnormal loss in manufacturing process. 2. Cost of Refining Service in the 2nd quarter of 2015, and 2014 cost of sale was THB 8.03 million and THB 18.97 million, with ratio
any special transactions or transactions came from the abnormal operations. • There was no significant change after the date specified in the latest financial statement that may affect the financial