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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Sovereign Credit Rating effects on equity markets: Applied on US Data

Berglund, Axel, Fransson, Carl January 2012 (has links)
This paper is a study on how U.S stock market reacts on sovereign credit rating announcements, and if there is a significant difference between low or high debt firms. We have used an event study based on historical stock prices from 30 companies, 15 with high debt and 15 with low debt. All companies are taken from the S&P`s 500 index which we also use as a market index. We use a regression model with 10 % significance level to see if there is a significant impact on high debt firms. Our result shows that the market will be affected by the downgrade. We also conclude that there was a significant negative impact on the high debt firms.
2

Valstybės kredito reitingo modeliavimas Baltijos šalių pavyzdžiu / Modelling of the Baltic states sovereign credit ratings

Valkiūnas, Eimantas, Laurinavičiūtė, Rūta 26 June 2013 (has links)
Magistro baigiamajame darbe išanalizuota ir įvertinta valstybių kredito reitingų suteikimo metodologija, šio proceso kritika, pateikti pasiūlymai esamoms problemoms spręsti. Atlikta koreliacinė, regresinė, pagrindinių komponenčių analizė ir pasinaudojus trijų Baltijos šalių – Lietuvos, Latvijos ir Estijos, pavyzdžiu surasti trys atskiri modeliai, tiksliausiai prognozuojantys minėtų valstybių kredito reitingus, remiantis makroekonominiais rodikliais. Pirmoje darbo dalyje teoriniu aspektu nagrinėjama kredito reitingo samprata, jo reikšmė finansų rinkoms, apibrėžiamos priežastys, lemiančios kredito reitingų trūkumus ir pateikiami tobulinimo siūlymai. Antroje dalyje analizuojamos trijų pagrindinių kredito reitingo agentūrų – Standard and Poor‘s, Fitch ir Moody‘s valstybių kredito reitingo suteikimo metodologijos, tiriama mokslinė literatūra, nagrinėjanti kredito reitingo priklausomybę nuo makroekonominių rodiklių, pateikiamas tyrimo modelis, nagrinėjamos su juo susijusios problemos, apibrėžiama darbo eiga. Trečioje dalyje sudaromos tiesinės daugianarės regresijos lygtys, naudojamos prognozuoti Lietuvos, Latvijos ir Estijos kredito reitingą, atliekamas ateities kredito reitingų prognozavimas remiantis faktiniais 2012 m. IV ketvirčio duomenimis ir numatomais scenarijais. / Master's Work analyzed and evaluated methodology of sovereign credit ratings, the critique of the process itself and proposed solutions for existing problems. Correlation, regression and principal components analysis were used to determine distinct models for the three Baltic states – Lithuania, Latvia and Lithuania, that accurately predicts future credit ratings based on macro-economic indicators. The first part examines theoretical aspect of the concept of credit rating, its value to the global financial markets, defines the causes of the credit rating errors, presents possible solutions for the failures of credit ratings. In the second section methodologies used by Standard and Poor's, Fitch and Moody's to determine sovereign credit ratings are analyzed, scientific literature on the dependence of credit rating and macro-economic indicators are examined, research model and problems associated with it are presented, workflow is defined. In the third part linear multiple regression equations are derived which are used to predict future credit ratings of Lithuania, Latvia and Estonia, future credit ratings predictions are carried out based on actual year 2012 fourth quarter data and future scenarios.

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