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76  Articles
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Indonesia's economy has been in its worst period. At that time, economic growth was below zero percent. One of the reasons is the high volatility of exchange rates in 1997-1998 when the exchange rate regime was transferred from managed floating to free-fl... see more

The impulsiveness in investments price is volatility and its meticulous estimation and forecasting is valuable to investors in the risk management of their portfolio. Earlier volatility of an asset was assumed to be constant. However, the pioneering studi... see more

What investors often wish to insure is that the maximum possible loss of their portfolios falling below a certain value. Namely, the maximum possible loss that a portfolio will lose under normal market fluctuations, with a given confidence level, over a c... see more

The autocorrelation function (ACF) measures the correlation between observations at different   distances apart. We derive explicit equations for generalized heteroskedasticity ACF for moving average of order q, MA(q). We consider two cases: Fir... see more

This study assesses the Value at Risk (VaR) and Expected Shortfall (ES) methods in gauging exchange rate risk in PT Telkom Indonesia Tbk, using historical Bank Indonesia closing rates USD/IDR and JPY/IDR from January 2022 - December 2022. Results demonstr... see more

This paper aims to investigate the effect of Initial Public Offerings (IPOs) on stock market volatility in the United States using the Generalized Autoregressive Conditional Heteroskedasticity (GARCH) model. The study utilizes daily data from January 2020... see more
IPOs |  US |  S& | P500 |  NYSE |  Volatility |  ARCH/GARCH |  E-GARCH
Seeing how the effect of service quality in this study on customer satisfaction at PT. Source Jaya Lariska. This study used a total population of 20 people and because the population was less than 100, the respondents who would be given a questionnaire (n... see more

The purpose of this study was to analyze the impact of trading volume, trading frequency, and market capitalization on stock returns of the chemical sub-sector. This study uses quantitative data. The relationship between trading volume, trading frequency,... see more

Service quality is an evaluation of the customer's long-term This research entitled the correlation of service quality, product variation, price, and location on consumer purchasing decisions on the Supermarket Pangkalpinang. The population in this resear... see more

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