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All Journal Journal of Economic, Management, Accounting and Technology (JEMATech) Jurnal Informatika Ekonomi Bisnis Jurnal Pasar Modal dan Bisnis
Didik Gunawan
STIE Bina Karya Tebing Tinggi
Computer Science & IT Economics, Econometrics & Finance Law, Crime, Criminology & Criminal Justice

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A Comparative Study Of Cryptocurrency Ability As Hedge And Safe Haven During The Covid-19 Pandemic Didik Gunawan
Jurnal Pasar Modal dan Bisnis Vol 3 No 2 (2021)
Publisher : The Indonesia Capital Market Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37194/jpmb.v3i2.97

Abstract

This study tries to prove whether dogecoin can be a hedging tool and or a safe haven like bitcoin and tether. The population of this study is all Bitcoin (BTC), Tether (USDT), Dogecoin (DOGE) and S&P 500 data with daily time series data. While the data used as a sample in this study will be divided into two parts, daily closing data that follows the opening of trading in S&P 500 stocks before the WHO announcement about the global pandemic (12 March 2020) and during the pandemic. The results show that Bitcoin and Dogecoin can act both as hedging tools and as safe havens, while Tether can only be a hedging tool but cannot be a safe haven. These results prove that even though stablecoins are guaranteed by fiat money, they have not become investors' choice as a safe haven, fears of hacking and moral hazard are allegedly the main reasons
The Autoregressive Integrated Moving Average (ARIMA) Model for Predicting Jakarta Composite Index Didik Gunawan; Weni Astika
Jurnal Informatika Ekonomi Bisnis Vol. 4, No. 1 (2022)
Publisher : SAFE-Network

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (300.144 KB) | DOI: 10.37034/infeb.v4i1.114

Abstract

The purpose of this study is to test the ability of the Autoregressive Integrated Moving Average (ARIMA) model to predict the value of the Jakarta Composite Index (JKSE) which fluctuates greatly due to the Covid-19 pandemic. The population in this study is JKSE daily closing price data for the period January 2020 to April 2021, so the sample in this study is 324 time series data. The results showed that the best ARIMA model for predicting the value of the Jakarta Composite Index was ARIMA (3,1,9). ARIMA (3,1,9) can predict the JKSE value very well because the value of the forecasting results is not much different from the actual value. This is also evidenced by the results of the accuracy test using MAPE which has a result of 1,729 which means the accuracy of forecasting is 98,27%.
Pemanfaatan Media Sosial Dan Efikasi Diri Terhadap Keberhasilan Wirausaha Dengan Inovasi Sebagai Variabel Mediasi Pada Pelaku UMKM Didik Gunawan; Rizka Monika
Journal of Economic, Management, Accounting and Technology (JEMATech) Vol 5 No 2 (2022): Agustus
Publisher : Fakultas Teknik dan Ilmu Komputer, Universitas Sains Al-Qur'an (UNSIQ) Wonosobo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32500/jematech.v5i2.2544

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh penggunaan media sosial, efikasi diri terhadap keberhasilan berwirausaha yang dimediasi oleh inovasi pada pelaku UMKM bidang kuliner Tebing Tinggi. Pengaruh yang ingin diketahui dalam penelitian ini adalah pengaruh langsung dan pengaruh tidak langsung. Jenis penelitian ini adalah explanatory research. Sampel dalam penelitian ini sebanyak 97 responden. Teknik pengambilan sampel yang digunakan adalah proportional cluster sampling yang tersebar di 5 kecamatan di Tebing Tinggi. Alat uji yang digunakan adalah Partial Least Square (PLS) dengan menggunakan software SmartPLS 3.0. Hasil pengujian ini menyimpulkan bahwa penggunaan media sosial dan efikasi diri berpengaruh terhadap keberhasilan wirausaha dengan inovasi sebagai variabel mediasi.
Co-Authors Rizka Monika Weni Astika