Effects of Mergers and Acquisitions on Shareholder Wealth: Event Study for Latin American Airlines

This study analyzes the effect of changes in corporate control on the way shareholders benefit from the announcements of selling and buying airlines, thus contributing to the literature on mergers and acquisitions (M&As) in emerging markets. Using a methodology of event study, including GARCH and OLS models, we find evidence that some selling companies obtain abnormal returns that are statistically significant after the announcement of the M&A. However, when the merger is not strategic, the companies present statistically significant negative abnormal returns. The results are not conclusive when analyzing the effect on the value of the buying companies.

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