Abstract
ABSTRACT This paper studies the impact of terrorist attacks on the returns and volatility of Colombian stock returns using an event study methodology in a GARCH model framework. It also investigates the impact of the 2016 peace accord between the Colombian government and the FARC, an army of leftist narco-guerrillas, on the same characteristics of the financial market. Results show that the COLCAP index, a market-capitalization weighted index that includes the 25 most liquid stocks listed in the Colombia’s stock exchange, has a significant negative abnormal return of 0.1% 1 day after a bombing attack occurs, that continues to accumulate down to −0.18% 3 days after. Furthermore, events associated with the peace accord, exhibit a significant positive abnormal return of 0.58% on the event date that continues to accumulate up to 1.02% the day after. In addition, cumulative abnormal volatility (CAV) is statistically insignificant both after terrorist attacks and peace-associated events.
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