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Budi Sukardi
Universitas Islam Negeri Raden Mas Said Surakarta
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Social Sciences Other

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Journal : Jurnal Penelitian Ekonomi dan Bisnis

 1 
Impact of Israelli-Boycotts on Stock Volatility: A GARCH Analysis of Unilever and Indofood Hasyim, Fuad; Sukardi, Budi
Jurnal Penelitian Ekonomi dan Bisnis Vol. 10 No. 2 (2025): September 2025
Publisher : Universitas Dian Nuswantoro Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33633/jpeb.v10i2.11362

Abstract

This study examines the impact of boycotts on stock volatility, focusing on three major companies: Unilever Indonesia (UNVR), Unilever Global (ULVR), and PT Indofood Sukses Makmur (INDF). Utilizing the GARCH (1,1) model, the research analyzes the volatility patterns of these stocks over a specified period, incorporating external events such as boycotts. The findings reveal that UNVR exhibits higher volatility compared to ULVR and INDF, indicating its greater sensitivity to market changes. Interestingly, the study finds that the dummy variable representing war events is not significant in explaining stock return volatility, suggesting that such events do not meaningfully impact volatility during the observation period. However, a noticeable decline in stock prices for UNVR and ULVR during the boycott period highlights the nuanced effect of external pressures on market performance. These results underscore the importance of understanding the differential impacts of external events on stock volatility and prices, providing valuable insights for investors and policymakers in managing risk and making informed decisions.
Co-Authors Abadi, Muhammad Kurnia Rahman Abdullah, Agung Alan Nur, Muhammad Annastya Ayu Pramesty Arizah, Putri Aunika, Vita Diyah Mulyani Dwi Surya Atmaja Fachrurazi Febtika Budiya Elsasari Felyna Priyanka Fourika Dela Putriana Fuad Dhiya Ul Husaen Fuad Dhiya Ul Husaen Hasyim, Fuad Husaen, Fuad Dhiya Ul Ilya Nur Rahmawati Imro Atul Luthfiyah Jannah, Fadzkhul Joko Robi Prasetyo Kurniati , Pratiwi Lalu Agus Satriawan Luluk Mu'afifah Mohammad Albizar Putra Riyadi Mufti Hidayatullah Muhammad Alan Nur Multi, Ariana Sindi Nazifah, Nauroh Novita Sari, Aprillia Nur, Muhammad Alan Nurul Khoiriyah Prihantono Puspita Ningrum, Ratih Puspita Sari, Anggi Qulub, Ana Fidatul Rahmawati, Novita Dina Riyani Rizky Ali Wardani Romadhon, Rizki Sari, Anggi Puspita Selsapagita, Indah Supriyanto Supriyanto Susilo, Adib . Wahyuning Satriasih Wardiana, Isma Widiatmini Widiatmini