Wpływ COVID-19 na główne indeksy giełdowe na świecie

COVID-19 Impact on the main global stock indexes

The aim of the study is to examine the impact of information on lockdown connected with COVID-19 on stock indexes. The hypothesis was that there is  a strong impact of the lockdown announcement on stock indexes at the time of its appearance or cancelation. Panel event models were used to verify the hypothesis. The study used data from the Thomson Reuters Database for the period from 02.01.2019 - 10.05.2020. The analysis was based on the papers and reports on COVID-19 and the literature on behavioral finance