Addinpujoartanto, Nur Ariefin
Program Studi Manajemen, Universitas Teknologi Yogyakarta, Yogyakarta, Indonesia

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ANALYSIS OF JANUARY EFFECT ON BIG STOCK COMPANIES AND SMALL STOCK COMPANIES AT INDONESIA STOCK EXCHANGE Addinpujoartanto, Nur Ariefin
Jurnal Internasional Bisnis, Humaniora, Pendidikan dan Ilmu Sosial Vol 1 No 2 (2019): International Journal of Business, Humanities, Education and Social Sciences
Publisher : Universitas Teknologi Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (227.757 KB) | DOI: 10.051018/ijbhes.v1i2.40

Abstract

January Effect is one of market anomaly where the stock returns in January are higher than other months. Some of causes the January Effect are the actions of investor who carry out tax-loss selling and windows dressing. In addition, investors have different views to choose stocks, based on market capitalization dan risk. This study is purposed to find the January Effect in the Indonesia Stock Exchange and January Effect on small company stock is stronger than large company stock. The data is normally distributed using the One-Sample Kolmogorov-Smirnov test. The test using the OLS method with dummy variable at five percent significance level. By using a sample of 30 large company stocks and 30 small company stocks based on market capitalization during period 2013-2017, the result of this study found a January Effect in the Indonesia Stock Exchange. But the January Effect doesn?t occur on small company stock, except on large company stock during that periode.
ANALYSIS OF JANUARY EFFECT ON BIG STOCK COMPANIES AND SMALL STOCK COMPANIES AT INDONESIA STOCK EXCHANGE Addinpujoartanto, Nur Ariefin
Jurnal Internasional Bisnis, Humaniora, Pendidikan dan Ilmu Sosial Vol 1 No 2 (2019): International Journal of Business, Humanities, Education and Social Sciences
Publisher : Universitas Teknologi Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46923/ijbhes.v1i2.40

Abstract

January Effect is one of market anomaly where the stock returns in January are higher than other months. Some of causes the January Effect are the actions of investor who carry out tax-loss selling and windows dressing. In addition, investors have different views to choose stocks, based on market capitalization dan risk. This study is purposed to find the January Effect in the Indonesia Stock Exchange and January Effect on small company stock is stronger than large company stock. The data is normally distributed using the One-Sample Kolmogorov-Smirnov test. The test using the OLS method with dummy variable at five percent significance level. By using a sample of 30 large company stocks and 30 small company stocks based on market capitalization during period 2013-2017, the result of this study found a January Effect in the Indonesia Stock Exchange. But the January Effect doesn’t occur on small company stock, except on large company stock during that periode.
PENGARUH OVERCONFIDENCE, REGRET AVERSION, LOSS AVERSION, DAN HERDING BIAS TERHADAP KEPUTUSAN INVESTASI DI INDONESIA. Nur Ariefin Addinpujoartanto; Surya Darmawan
Jurnal Riset Ekonomi dan Bisnis Vol 13, No 3 (2020): DESEMBER
Publisher : Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/jreb.v13i3.2863

Abstract

Behavioral finance muncul akibat pasar yang tidak efisien, sehingga menimbulkan anomali pasar. Behavioral finance lebih mengarah pada perilaku investor yang tidak rasional terhadap keputusannya. Investor yang berada di pasar yang tidak efisien, dapat mengambil abnormal return. Perilaku tersebut dipengaruhi oleh informasi yang diterima oleh investor. Perilaku tersebut bisa berbagai macam, seperti; overconfidence, regret aversion, loss aversion, dan herding bias. Penelitian ini bertujuan untuk menganalisis pengaruh overconfidence, regret aversion, loss aversion, dan herding bias terhadap keputusan investasi di Indonesia. Data yang dikumpulkan sebanyak 120 responden yang memiliki pengalaman berinvestasi di pasar modal. Teknik sampling yang digunakan pada penelitian ini adalah Teknik purposive sampling. Ada dua tahapan untuk melakukan analisis, yaitu Pengujian Model Pengukuran dan pengujian Model Struktural. Pengujian stattistik dalam penelitian ini berupa SEM (Simultaneous Equation Model) yang dibantu dengan menggunakan aplikasi smartPLS. Pada penelitian ini ditemukan overconfidence, regret aversion, loss aversion, dan herding bias berpengaruh signifikan terhadap keputusan investasi secara parsial.