Abnormal return of Indonesian banking shares in the time of COVID 19: An event study on the announcement of government regulation, POJK 11 of 2020

Erna, Handayani and Alni, Rahmawati and Eko, Haryanto and Sri, Wahyuni (2020) Abnormal return of Indonesian banking shares in the time of COVID 19: An event study on the announcement of government regulation, POJK 11 of 2020. PEER REVIEW.

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Abstract

With the pandemic Covid, the Indonesian government issued a fiscal policy through the Financial Services Authority (POJK 11 2020) on National Economic Stimulus as Policy Countercyclical Impact Deployment Coronavirus Disease, 2019. This study analyzes the reaction markets banking sector in Indonesia to the event announcement publication of these regulations. This quantitative study uses the Event Study methodology. This study uses abnormal return testing events on secondary data 45 Indonesian banks listed on the Jakarta Stock Exchange. The method of calculating the abnormal return uses the Market Model, with an estimated period of 21 days and a window period of 11 days. The research period was carried out between February 11 and March 20, 2020. The test carries out with an average of difference test before and after the event, with an error rate of 5%. Based on the cumulative abnormal return t-test, data shows that from minus five days, the regulation's announcement up to 5 days after which the market moves significantly negative. This event study is a news phenomenon of Indonesia's latest financial policies related to banking stocks during the Covid pandemic.

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