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"Penelitian ini bertujuan untuk mengetahui apakah technical analysis dapat dilakukan pada currency market (pasar valuta asing). Dalam penelitian ini kurs mata uang yang diteliti adalah AUD/USD, EUR/YSD. GBP/USD, USD.CHP, dan USD/JPY. Untuk mengetahui hal tersebut maka dilakukan pengujian weak form efficient market hypothesis terhadap masing-masing kurs tersebut. Pengujian weak farm efficient market hypothesis dilakukan dengan menguji dua asumsi yang berlaku yaitu yang pertama pengujian terhadap dependensi return mata uang pada periode t dibandingkan dengan return pada periode t-l sedangkan yang kedua apakah dengan diterapkannya technical analysis terhadap kelima mata uang itu dapat dihasilkan tingkat return yang signifikan. Penerapan technical dalam penelitian itu menggunakan dua jenis moving average yaitu simple moving average dan exponential moving average. Hasilnya adalah bahwa tergadap ketiga mata uang yaitu AUD/USD, EUR/USD, dan GBP/USD adalah menolak hipotesa weak form efficient market sehingga dapat diterapkan technical analysis terhadap pasar tersebut sedangkan terhadap dua mata uang lainnya yaitu USICHF dan USDIJPY menerima hipotesa weak form efficient market dan tidak dimungkinkan untuk menggunakan technical analysis.

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This research has a purpose to identify that technical analysis can be applied to currency market. In this research, the pair of the currency market that we have been researched were AUD/USD, EUR/YSD, GBP/USD, USD/CHF, and USD/JPY. We had done a test of weak form efficient market hypothesis to each of that pair to identify about the application of technical analysis in currency market. The testing of weak-form efficient market hypothesis was done by testing two assumption, the first was testing the return dependency in each pair at t period compare with return at t-1 period, the second was technical analysis that we had applied could be resulted with the significant return degree. Technical application in that research used two kind of moving average, there were simple moving average and exponential moving average. The result were three pair, AUS/USD, EUR/USD, and GBP/USD reject the hypothesis of weak-form efficient market, and then technical analysis can be applied to those pair. The remaining two pairs which are USDICHF and USDIJPY accept the weak-form efficient market hypothesis and technical analysis to those pair is not applicable."

"In this research we test market efficiency in Indonesia Stock Exchange (IDX) by examining whether stock price changes is independent of past changes or not, and examining do profitability, liquiditiy, debt, and market value infortion of the firms have influence on stock returns, hence these information can be used to estimate the future stock returns. We use stock price and return as dependent variable, and financial ratios as independent variables. We have applied Ljung-Box Q-Test and regression to analyze the data, and collected the data of companies from the Indonesia Stock Exchange from the year 1994 to 2005. The sample size consists of 77 companies from all sector companies of LQ 45 Index. Ljung-Box Q-Test result has shown that the significant amount of lag are 16, therefore there is autocorrelation between current price and previous price, and we conclude that market is not efficient in weak-form. Meanwhile, regression results have shown that profitability information (ROA) has negative significant effect on stock returns, while ROE has positive significant influence on stock returns. As one of market value information, dividend has positive significant influence on stock returns. However, sales to asset (SALASS), all debt information (TLTE, LTLTE, and TLTA), liquidity information (current ratio), and price to earning ratio (PER), have insignificant effect on stock returns."

"ABSTRAKOne of the duties of the Indonesian Constitutional Court (Mahkamah Konstitusi - MK) is to determine whether legislation is consistent with the Constitution. If the MK determines that a statute is inconsistent with the Constitution, it declares that such statute is invalid. In such instance, the MK has the final word to determine the validity of legislation. In the view of some scholars, this feature reflects that the MK adopts strong form of judicial review. While this assertion holds true in some cases, it does not necessarily reflect the complete feature of the MKs approach in deciding cases. In some economic and social rights cases, the MK decision adopts weak form of judicial review. This paper attempts to explain that while constitutionally the MK adopts strong form of judicial review, in some economic and social rights cases it adopts weak form of judicial review."