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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

Srovnání sovereign ratingu a rizikové kategorizace zemí a jejich změny po finanční krizi / The Comparison of Sovereign Ratings and Country Risk Classification according to the Arrangement on Officially Supported Export Credits and its Development after Financial Crisis

Vasická, Lucie January 2010 (has links)
In the first chapter the paper is focused on sovereign rating, it describes the history and explains the basic characteristics in the context of its usual usage. In the second chapter the basics behind the Arrangement on Officially Supported Export Credits are explained. Because the main purpose of this paper is to compare sovereign rating and the country risk classification based on the Arrangement, the chapter focuses especially on the Knaepen Package that introduced country risk classification to the Arrangement. In the chapter there is also the introduction to the Malzkuhn-Drysdale Package. In the third and fourth chapter sovereign ratings and county risk classifications are compared on theoretical basis. There were used several different criteria, e.g. methodology of rating/classifying, time necessary for adjustment and criteria for evaluation. The fifth chapter is focused on Basel I-III, the connection between Basel capital adequacy and both credit risk evaluation systems is explained. In the following chapter, the question of guilt of rating agencies and their role in the outbreak of financial crisis is discussed. The last chapter is based on the case study that describes the difference between development of financial crisis in Italy and Greece and its impact on rating grades and country risk classification.
2

Εκτίμηση μέγιστης δυνητικής ζημίας (VaR) σε χαρτοφυλάκια

Δημητράντζου, Χριστίνα 05 February 2015 (has links)
Η πολύπλοκη μορφή που απέκτησαν οι χρηματοοικονομικές αγορές κατά τη διάρκεια των δύο τελευταίων δεκαετιών, είχε ως αποτέλεσμα την απώλεια πολύ υψηλών κεφαλαίων από τις επιχειρήσεις και από τις τράπεζες. Η ανάγκη για συστηματική μέτρηση του χρηματοοικονομικού κινδύνου οδήγησε στην επινόηση του μεγέθους της αξίας σε κίνδυνο (Value-at-Risk, VaR). Η μέθοδος αυτή παρέχει στον ενδιαφερόμενο έναν αριθμό που εκφράζει τη μέγιστη αναμενόμενη ζημία μίας επένδυσης για δεδομένη χρονική περίοδο και δεδομένο επίπεδο εμπιστοσύνης. Παρά το γεγονός ότι η VaR έχει κάποιους περιορισμούς που απαιτούν τη χρήση stress test και scenario test, συνολικά, η VaR είναι η καλύτερη ανεξάρτητη τεχνική μέτρησης των κινδύνων που είναι διαθέσιμη. Στόχος της παρούσας διπλωματικής εργασίας είναι η μέτρηση της VaR ενός χαρτοφυλακίου. Επιπλέον, μέσα από αυτήν την εργασία θα γίνει κατανοητό τι είναι η VaR, πώς μπορεί να υπολογιστεί, ποια είναι τα κύρια χαρακτηριστικά της και ποια είναι τα πλεονεκτήματα και τα μειονεκτήματά της. Τέλος, ιδιαίτερη έμφαση δίνεται στην παρουσίαση των μεθόδων υπολογισμού της VaR. / The inextricable form of the financial markets during the last two decades result in the loss of high capital from the businesses and banks. The need of a systemic measurement of the financial risk leads to the invention of the Value-at-Risk method. This method provides the interested person with a number which expresses the potential maximum loss of an investment for a given period of time and a given confidence level. Despite the fact that VaR has some restrictions demanding the use of stress test and scenario test, altogether, VaR is the best independent measuring technique of the risks that it is available. The aim of this dissertation is to measure the VaR of a portfolio. Moreover, it will be registered what VaR is, how it can be measured, which are its main characteristics, its advantages and disadvantages. Lastly, more emphasis is given to the presentation of the measuring methods of VaR.

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