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Browsing by Author "Ekkachai Boonchuaymetta"

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  • Item
    Evaluating the performance of Thai equity funds
    (Assumption University, 2008) Ekkachai Boonchuaymetta ; Assumption University. Martin de Tours School of Management and Economics
    The focus of this study is to evaluate the performance of selected 48 open-ended equity mutual fonds in Thailand during the year 2003 through 2007. Four performance measures are used, the Treynor measure, the Sharpe measure, the Jensen measure, and Treynor-Mazuy measure. The empirical results reveal limited ability of mutual fand managers in both selecting undervalued stocks and forecasting the market correctly. Based on the market timing techniques of'Jreynor-Mazuy model, only ten mutual funds present significant positive coefficients of market timing ability. Consistent with the Jensen s model, only fourteen mutual fands show a significant positive coefficient of stock selectivity ability.
  • Item
    The Halloween effect and other seasonal anomalies in the energy sector of the stock exchange of Thailand
    (Assumption University Press, 2018) Ploy Tang-u-thaisuk ; Witsaroot Pariyaprasert ; Ekkachai Boonchuaymetta
    This research aims to explore the existence of three well - known seasonal anomalies – the January Effect, the April Effect, and the Halloween Eff ect – as pertains to monthly returns as well as to volatility. Effects on returns and volatility will further be studied within the SET Energy index as well as 9 selected energy stocks from the period April 2005 to July 2016. The objective of this study is to find seasonality hidden within the above Index and stocks, and establish a simple trading strategy to benefit investors. As in preceding studies, our methodology uses the dummy regression technique and the EGARCH model is employed to investigate the impact of these seasonal anomalies on the volatility of returns. The result found that Halloween Effect and the January Effect have a statistically negligible effect on returns within the smaller SET Energy Index. The April Effect does have statistical s ignificance on returns within the SET Energy Index. Buying the SET Energy index before April is likely to yield positive returns at the end of the month. Investors should accumulate positions during these seasonal anomalies – in light of low volatility – a nd take profit once volatility returns to normal.
  • Item
    The influence of family resource, family stress, money attitudes, self-control towards materialism: the case of generation Y in Bangkok Metropolitan
    (Assumption University Press, 2020) Sararat Thongbaisri ; Ekkachai Boonchuaymetta
    Nowadays, the population of generation Y most likely drives the consumer market. Hence scrutinizing their behavior’s consumer toward their money attitudes and materialism has become more critical. The researcher has ultimate purposes of determining and investigating the behavior of generation Y toward money attitudes, which in turn affect materialism. Research findings show that how family resources received during childhood, perceived stress from disruptive childhood and self-control are influencing the varied impact on Materialism and Money Attitude dimensions. This sample surveyed n=412 Thai Generation Y (1980-1997) in Bangkok Metropolis to examine whether family resources received during childhood, perceived stress from disruptive childhood, money attitudes and self-control affect Thai Generation Y Bangkok Metropolis’s life-course. This study founds perceived stress from disruptive childhood family have certain impacts on later-life of money attitudes. Money attitudes also affect to materialism as well as the current Self-Control behavior has significant effects on materialism.
  • Item
    Management of the initial public offering performance : empirical evidence from the Thai stock market
    (Bangkok : Assumption University, 2011) Ekkachai Boonchuaymetta ; Wiparat Chuanrommanee
  • Item
    Management of the IPO performance in Thailand
    ( 2013) Ekkachai Boonchuaymetta ; Wiparat Chuanrommanee
    This research aims to explore the relationships between six major IPO elements in Thailand: underwriter reputation, ownership concentration, book-building, IPO allocation, the length of the lock up period, and investor interest and underpricing. The sample comprises 153 IPOs listed between 2001 and 2011. Cross-sectional analysis reveals that IPO allocation appears to be the strongest factor with a negative relation to underpricing. The length of the lock up period, issue size, industry, and hot issue market show significant and positive relationships with underpricing. Underwriter reputation is not associated with underpricing as the choice of underwriter is restricted by the Thai regulator's requirements. Book-building does not explain underpricing. Institutional investors play very limited roles in Thai IPOs. A small change in ownership concentration does not affect underpricing. Nevertheless, a longer lock up period can yield a higher initial return. Such a provision can restrain insider dealing.
  • Item
    Managment of the initial public offering performance : empirical evidence from the Thai stock market
    (Assumption University, 2011) Ekkachai Boonchuaymetta ; Assumption University. Martin de Tours School of Management and Economics
  • Item
    Warrant pricing model : an empirical study on the valuation models for warrants listed in Thailand
    (Assumption University, 2007) Ekkachai Boonchuaymetta ; Treerapot Kongtoranin ; Assumption University. Martin de Tours School of Management and Economics
    This empirical study focwes on examining the relative performance between four wa"ant pric- ing models; Black-Scholes-Merton Model (BS), Galai and Schneller Model (GS), a Dilution Adjusted- BlacJc -Scholes Model (DA.BS), and Square-Root Constant Elasticity of Variance (SRCEV) of Beclrers. Over 8,000 daily wa"ant prices on 14 most actively traded wa"ants in Thailand are employed. We.find that among models, BS model provides the best accuracy. In terms of moneyness and maturity, BS model calculates accurately for out-of-the-money and short-term maturity, while the SRCEV model outperforms for in-the-money and long-term maturity. In terms of volatility, DABS, GS and SRCEV models are better than the BS model.

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