An Event Study of the US Airways-American Airlines Merger

2014 ◽  
Author(s):  
Serdar Dalkir ◽  
Kevin Hearle
Keyword(s):  
The Us ◽  
2011 ◽  
Vol 9 (4) ◽  
pp. 310-335 ◽  
Author(s):  
Joseph A. Clougherty ◽  
Tomaso Duso

Differentiation of collusive and efficiency-based synergies in horizontal mergers has proven difficult. The authors propose a theory-backed methodological approach to classify mergers that yields greater information on merger types and merger effects. Moreover, the methodological approach distinguishes between mergers characterized largely by collusion-based synergies and those characterized largely by efficiency-based synergies. Crucial to the proposed method is that it considers the impact of merger events not only on merging firms, as is common in the literature, but also on non-merging rivals. The authors demonstrate how the proposed approach clarifies the nature of merger activity through an event-study procedure based on stock market data on samples of large horizontal mergers drawn from the US and UK (an Anglo-American sub-sample) and from the European continent the authors demonstrate how the proposed schematic clarifies the nature of merger activity.


2005 ◽  
Vol 50 (01) ◽  
pp. 117-129 ◽  
Author(s):  
CRAIG PARSONS

This paper investigates the impact of the 1986 US-Japan Semiconductor Trade Agreement (STA) and antidumping actions by the US on Japanese firms. We conduct an event study employing WLS and OLS estimations on the daily returns of eight large electronics firms over roughly a two year period. We find that the STA had a positive effect on the daily returns while the antidumping rulings were found to be insignificant. These results are consistent with some authors' views that the STA policy may have facilitated collusive behavior to the benefit of not only US, but Japanese firms as well. These results shed some light on the ambiguous results found in the Voluntary Import Expansion (VIE) literature.


2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Harpreet Singh Grewal ◽  
Pushpa Trivedi

PurposeThe purpose of this paper is to investigate the impact of the US unconventional monetary policy surprises on the management of trilemma in India.Design/methodology/approachThis paper uses the event study approach along with OLS and MANOVA to examine the impact.FindingsThe results validate the existence of trilemma in India for the period from October 2008 to December 2017. The results also show that monetary policy independence still exists in India in the wake of greater spillover effects during the Federal Open Market Committee announcement days. The spillover effects on USD-INR exchange rates and capital flows are found to be statistically significant. The MANOVA results show that the trilemma in India is influenced by around 20% by the changes in the US monetary policy.Originality/valueThe above approach of event study combined with MANOVA in this subject area has not been used before to the best of the authors’ knowledge. Further, there are only a few studies that exist on the spillover effects of the US monetary policy actions on the management of trilemma in India.


2021 ◽  
Vol 24 (2) ◽  
pp. 185-220
Author(s):  
Tien Sing ◽  
◽  
Wang Long ◽  

Ambrose et al. (2007) find significant evidence of information spillover effects between index real estate investment trusts (REITs) and nonindex REITs in the US markets using the inclusion of REITs into the S&P general market indices in an event study. This study, however, examines the effects of REIT index inclusion events by using non-index real estate operating company (REOC) returns in the US and Singapore. The study finds that REOC returns are more correlated with the general market index returns after REIT index inclusion events, but the spillover effects are smaller for REOCs in Singapore. The spillover effects of the REIT inclusion events are larger on non-index REITs than non-index REOCs in the US. When examining REIT inclusion events in Singapore, we find evidence of increases in betas only in the REIT market, but the changes in REOC betas are insignificant. However, we find that the REIT index inclusions significantly reduce the systematic risks of REOCs that sponsor the index REITs.


2017 ◽  
Vol 24 (01) ◽  
pp. 54-74
Author(s):  
Truong Nguyen Xuan

While numerous studies on spin-off have been done in the US and Europe, little efforts have been directed to research this area of cor-porate finance in Australia. This study investigates how market re-acts to corporate spin-offs in this country. We employ traditional event study methodology and find that market reacts strongly and positively to the announcements of spin-offs. Specifically, the cu-mulative average abnormal return over the 3-day event window is 3.58%. The cumulative average abnormal return for spin-offs by companies that increase their industrial focus is 4.12% and 3.33% for non-focused increasing spin-offs. Nevertheless, the difference between these two subgroups is statistically insignificant. Multivari-ate regressions provide evidence that high pre-leverage firms benefit more from spin-offs.


2020 ◽  
Vol 13 (1) ◽  
pp. 1-11
Author(s):  
Choirun Nisful Laili

The purpose of this study was to determine the differences in returns, abnormal returns, and cumulative abnormal returns of shares before and after the US govermet 2018 shut down event. The object of research is companies that belong to the LQ-45 stock group on the Indonesia Stock Exchange. Research uses the type of event study. The results of the study using paired sample t-tests showed no differences in stock returns and abnormal returns for periods before and after the 2018 US government shut down event. For cumulative abnormal returns before and after the 2018 US government shut down event, differences were found.


2019 ◽  
Vol 22 (2) ◽  
pp. 173-187
Author(s):  
Leoš Šafár ◽  
Marianna Siničáková

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