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1

Event Study in the Evaluation of Effects of Mergers and Acquisitions

100%
Perepeczo A.
Folia Oeconomica Stetinensia
|
2007
|
vol. 6
|
issue 1
107-122
EN
The paper presents the essence of the methodology of event study used in developed markets to evaluate post-acquisition performance based on the market data. In particular, the paper discusses the issues of abnormal returns and expected return models, presenting also selected examples of post-acquisition performance in developed markets. At the end, the author has addressed the issue of contemporary tendencies in the event study methodology.
2
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Wpływ opublikowanej rekomendacji na reakcję inwestorów

100%
Polak K.
Studia i Materiały
|
2018
|
issue 1(27) cz. 2
127-135
EN
The aim of the research was to analyze the influence of published stock market recommendations on the behavior of share prices of companies listed on the Warsaw Stock Exchange in the WIG20 index. The presented research examined 364 recommendations from January 2015 to December 2016. The analysis was carried out using the event study methodology to determine the impact of a given event on the behavior of share prices.
PL
Celem artykułu jest analiza wpływu opublikowanych rekomendacji giełdowych na zachowanie się kursu akcji spółek notowanych na Warszawskiej Giełdzie Papierów Wartościowych wchodzących w skład indeksu WIG20. Badaniu poddano 364 depesze o wydaniu rekomendacji w latach 2015–2016 opublikowane na stronie www.infostrefa.com. W badaniu posłużono się klasyczną analizą zdarzeń w celu określenia wpływu danego zdarzenia na zachowanie się kursów akcji.
3
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The reaction of investors to analyst recommendations of stocks listed on the WIG20 index

100%
Suliga M.
Managerial Economics
|
2016
|
vol. 17
|
issue 1
123-148
EN
Analyst recommendations are one of the types of information whose appearance on the market can have an influence on security prices. In this paper, I study the impact of analyst recommendations on stocks listed on the WIG20 Index, using event-study methodology and linearregression models. The dataset contains 576 absolute recommendations published from the1st January 2012 to the 1st of September 2015 by various analyst houses. The prefatory study researches price reaction to positive, neutral, and negative recommendations separately. Subsequently, to check if investor reaction depends on a change in the level of recommendation, corresponding research is repeated for events clustered in nine groups defined in terms of possible level changes. Linear regression models with categorical variables are used in searchof additional factors affecting investor reactions. Changes in the level of recommendation, size of the company, and reputation of brokerage house represent explanatory variables. Preliminary results point out that the direction of investor reaction is generally consistent with the information contained in the recommendation, and that the reaction of the market seems to be stronger in the case of positive events than in the case of negative ones. The analysis of recommendation changes reflects more-detailed dependents. In particular, the interpretation of a neutral recommendation depends strongly on the level of the previous recommendation. If it represents growth from SELL or REDUCE, the reaction is positive, while in the case of drop from ACCUMULATE or BUY, it leads to negative abnormal returns. This relationship is additionally confirmed by results from the linear regression models. The models show the size of the firm as a significant factor that has an influence on the reaction to a recommendation: the smaller the firm, the stronger the reaction.
4
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Price reversal as potential expiration day effect of stock and index futures: evidence from Warsaw Stock Exchange

88%
Suliga M.
Managerial Economics
|
2017
|
vol. 18
|
issue 2
201-225
XX
This paper studies an impact of futures expiration days on the Polish equity market. From three potential expiration effects appearing in the literature (namely, the increased trading volume of underlying assets, increased volatility of their returns, and price reversal after expiration), the latest one is researched in detail for expiration days of futures on the WIG20 index, the mWIG40 index, and individual stocks. The data covers the period from January 2001 to December 2016. The phenomenon of price reversal is studied with the use of regression models, price reversal measures, and event study methodology. The results obtained for expiration days are compared with the results from non-expiration days to check whether potential price reversal can be interpreted as an effect of expiration. No price reversals after futures expirations were found in the returns of the WIG20 nor mWIG40 indexes. In the case of individual stocks, results from all of the three methods support the assumption that price reversal occurs after expiration. The reversal is immediate and is reflected inovernight returns more than in daily returns.
5
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Realizacja długoterminowych stóp zwrotu z inwestycji w akcje spółek regularnie wypłacających dywidendę

75%
Pieloch-Babiarz A.
Annales Universitatis Mariae Curie-Skłodowska, sectio H – Oeconomia
|
2018
|
vol. 52
|
issue 3
EN
The aim of this paper is to identify and characterize the relationship between conducting regular dividend payments and shaping the market value of the company within 10 years from the dividend initiation. The research hypothesis states that the longer time of regular dividend pay-outs, the higher abnormal rates of return. Empirical research shows that buy-and-hold abnormal return (BHAR) calculated for companies regularly paying out dividend is higher than the buy-and-hold abnormal return from the WIG index, and that along with an increase in the number of years of regular dividend payments BHAR increases.
PL
Celem artykułu jest zidentyfikowanie i scharakteryzowanie relacji między prowadzeniem regularnych wypłat dywidendy a kształtowaniem się wartości rynkowej spółki w okresie dziesięciu lat od momentu wypłaty dywidendy inicjalnej. Hipoteza badawcza stanowi, że im dłużej spółka realizuje politykę regularnych wypłat dywidendy, tym wyższe są nadzwyczajne stopy zwrotu z akcji. Badania wykazały, że średnia stopa zwrotu BHAR dla spółek regularnie wypłacających dywidendę jest wyższa niż stopa zwrotu z indeksu WIG oraz że wraz ze wzrostem liczby lat regularnych wypłat dywidendy nadzwyczajna stopa zwrotu wzrasta.
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