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"Ritter and Welch (2002) explain there are two types of IPO firms, namely higher quality firms and lower quality firms. This research propose the third type, namely bad IPO firms which manipulate and force IPO underpricing. Bad IPO firms are subset of lower quality IPO firms that force false signal as higher quality firms. The false signal was hidden by managing post-IPO trading. Trading management are indirectly funded by using balance sheet cash. Hypothesis testing with the empirical model 1 was to confirm the role of CashRatio as the moderating variable that interact DER to affect IPO underpricing which originally was not. The findings support the predictions that interactive variable DER*CashRatio affect IPO underpricing. A managed trading had a non negative profits constraint so that selective post-IPO trading was conducted to cause trading imbalance observable as skewed trading volume (Skewness). Subsequent tests with the empirical model 2 was to confirm the role of Skewness as the moderating variable that interact VolRatio to affect post-IPO stock return (RGM) which originally was not. The findings support the predictions that interactive variable LnVolRatio*Skew affect RGM. Both findings confirm this research predictions on the possibility of manipulated IPO trading in Indonesia IPO 2009-2012."

"ABSTRACTThis thesis has two main objectives; estimating single stock options (KOS) price that will be traded at Jakarta Stock Exchange and analyzing the prices. Binomial methods will be used in estimating single stock options of ASH, BBCA, HMSP, INDF and TLKM. This method has a unique flexibility and simplicity which can be used straightforwardly in the real world because it can evaluate both call and put of almost all kind of options including American and European options. In order to quickly run the computation of option pricing, a computer programming language, Visual Basic, is used.One of the results is that as the number of time periods increase, the binomial option pricing model seems to converge to the Black-Scholes value. The other is that the difference between Binomial and Black-Scholes results is at the highest for in-the-money put option and at-themoney call option. From all of the five single stock options, KOS price of INDF is the cheapest with a high volatility and big delta meaning a big ratio of change in the price of the stock option to the change in the price of the underlying stock. Bearish trading strategy for options trading in March 2004 is used.Investors spend less money for option than what they invest for stocks. Furthermore, investors can increase their trading capacity up to ten times by investing in option compared to investing in stock. At a given point of time, if the option is worth more exercised than not exercised, the computed value of the option can be simply replaced with the intrinsic value."

"The purpose of this study is to provide empirical on audit committee composition and audit committee effectiveness (ACE), based on a sun>ey of audit committees of publicly listed companies in the Jakarta Stock Exchange. The study finds that the majority of the companies comply with the JSX requirement about the minimum number of audit committee member (3 persons), their independence, and their competence (finance or accounting background). However, this study finds that audit committees are not yet effective in their authority, resources, and efforts. The interaction of audit committee with external auditors is the least effective while the communication to the board of commissioners and shareholders is the most effective. The interaction of audit committee with internal auditors and monitoring on compliance are also ineffective."

"ABSTRAK

Trading mechanism used in every stock exchange will influence the price determination. The tick size policy is one of trading rule mechanism, which will shift market behavior toward price determination. Tick size is the minimum price change in regular market. Jakarta Stock Exchange is an exchange, which implements order - driven market environment. Management of Jakarta Stock Exchange has changed the tick size policy twice during year 2001. The first change was done in July, 2001, which is to reduce the tick size nominal from Rp 25 to Rp 5. The second change, started in October 2001, is to implement the multi tick size policy, and the tick size used are Rp 5, Rp 25 and Rp 50 applies to any stocks according to their category.

When tick size was reduced in the first change, market react negatively to the implementation of Rp 5 tick size. In response to negative reaction, Management of Jakarta Stock Exchange implements the multi tick size policy, with the purpose of increasing market liquidity and reducing volatility.

Market liquidity is quite difficult to be defined, however, to common investors, one stock is said to be liquid, if they could sell the stock easily at their convenient price and time. The research conducted in this thesis, observe the impact of multi tick size policy toward market liquidity. Indicators used in this research to observe market liquidity are market spread, market depth and trading volume.

Result of this research shows that the policy of multi tick size is effective and efficient for low and medium price of stocks especially for indicators market depth and trading volume. However, for high price stock the policy is not effective, since tick size is not one of the factor, which influence any indicators for high price stocks."

"This study examines trading volume reaction to earnings announcements; specifically the effect of information asymmetry across investors before earnings announcement, in the form of differences in ownership structures measured by the level of institutional ownership, to trading volume around earnings announcements. Further, this study also examines other factors related to volume reaction around earnings announcements such as price changes resulted in certain unexpected earning levels, cost of transactions, and firm size.The Ordinary Least Square (OLS) method is initially used in finding the relation between unexpected trading volume in two-day and seven-day announcement period windows to the independent variables used in this study. Further, this study applies the Weighted Least Square (WLS) method to eliminate the potential heteroscedasticity and to increase efficiency of the model.This study finds that institutional ownership level as a measure of information asymmetry across investors affects volume response to earnings announcement. The study finds that trading volume reaction is an increasing function of the level of information asymmetry. The study also finds that trading volume reaction is an increasing function of price changes and firm size, yet it has a negative relation to transaction costs."

"This paper provides evidence on the reactions of an emerging financial market to monetary policy announcements. We employ an instrumental variable estimation approach based on the "identification through heteroscedasticity" technique to estimate the impact of a change in the official interest rate and its surprise component on asset prices in Indonesia. The new methodology controls for possible feedback relationships between financial variables and official interest rate changes. Data study objects that I used in this thesis are samples of the stock price indexes of JSX, foreign exchanges and SBI rates. Data samples are daily rctums from JSX database and Bloomberg, respectively. Study period covers from August 03, 1998 to January 02, 2004, a total one thousand and fifteen (1415) observations based on trading dates. In our analysis, official interest rates have a smaller significant impact on stock market movements, driving them in the same direction as the change in stock prices. The results suggest that daily interest rates have a smaller significant impact on stock market movements within the period after the Bank Indonesia Act |999 to year 2004, driving them in the same direction as the change in stock prices. On the other hand before Bank Indonesia Act I999, I observe an influence of official interest MIC changes on short-term stock indices."

"Stock Split is one of popular corporate action in capital market. Stock Split is the split of a company's existing stock into more shares. Each stockholder would receive an additional share for each share formerly held depend on the ratio of the split. The implication of the stock split is the pace of the stock becomes cheaper than before, this is something worth for the investors. Furthermore, the demand for the stock will be higher, and the price of the stock will up to certain level which means profitable for the investors. Liquidity is the most mainly listed companies's motivation within stock split, since liquidity is the central theme in the secondary market.This research will examines some problems within stock split are :1. Does stock split influences the stock price changes?2. Does composite stock price indices influences the stock price changes?3. Does earning per share influences the stock price changes?Regarding those problems mentioned above, the objective of this research are :1. Analyzing the influence of stock split to the stock price changes.2. Analyzing the influence of composite stock split indices to the stock price changes.3. Analyzing the influence of earning per share to the stock price changes.The period of the stock split study started from January 1 until December 31 on the year 2000. The samples which is used in the study are the stock listed in the Jakarta Stock Exchange minimum 7.5 months before the effective date of the stock split. The study period in this research from July 1 1999 until April 30, 2001. The study period started 7.5 months before the first listed company announce the stock split in the year 2000 and 4.5 months after the last listed company announce the stock split in the year 2000.The Signaling Hypothesis Theory is the foundation of the research, which indicate the stock split announcement intended to rise a positive signal to the investors. A good prospect of the company is something managements objective of the announcement of stock split. In this scheme, stock split will increase the value of the company.Based on the test and analysis of the statistical result, founded some conclusions which are :1. Stock split during the year 2000 has no positive response from investors. It indicates investors judge the stock split has no influence to company's growth profitability signal for the future.2. During study period, earning per share and earning per share changes significantly correlate to the changes of stock price. This result support the previous research such as Benston (1966), Ball & Brown (1988), and Beaver (1968), where earning per share (EPS) as an accounting profit measurement has a significant influence to the changes of stock price.3. Composite stock price indices (IHSG) variable has no significant influence to the relative stock price changes, nevertheless the changes of composite stock price indices's variable has a significant influence to the relative stock price changes.4. All of the independent variables those are earning per share, composite stock price indices, and stock split together have a significant influence to the relative stock price changes.Based on the conclusion above, researcher gives any suggestions or recommendations to the party related the stock split concern to the investment activity at Jakarta Stock Exchange, those are :1. Timing is a determinant factor for the successful of stock split. Successful timing will determined the liquidity of the stock after stock split. For certain level, bearish market will not support the liquidity of the stock after stock split. That's why maintaining the market psychology for the company is relevant.2. Since investing in the common stock related to the prospect of the company, management must consider and managing the fundamental of the company before making a planning of stock split. Prospective fundamental will support the effectiveness and successfull of the stock split.3. Regarding the decrease of the volume of stock trading, management must aware the the decreasing the value of the stock price, which means management must maintain the appropriate level due to the company's performance. Periodic evaluation of the stock price changes must be scheduled.4. During the study period, researcher find an anomaly due to Signaling Hypothesis Theory. For that reason, based on the theory of Efficient Capital Market, stock split should be implemented for the atmosphere of efficient market On that, stock price reflected the real market reaction under stock split.5. Stock split still remain a puzzling phenomenon to financial analyst and also researchers. That's why, next researchers which cover wider data and period including bullish and bearish market are highly importment to discover the phenomenon of stock split."