Ελέγχοντας την υπόθεση της υπερβολικής αντίδρασης των επενδυτών

Χελιώτη, Μεταξία Α.

Master Thesis

Author

Χελιώτη, Μεταξία Α.

Date

2014-06-12

Abstract

The purpose of this study is to examine the validity of the overreaction effect in the Greek, German and French stock market. The data used in this study are the weekly stock prices which have continuous trading in the Stock Markets of Athens, Berlin and Paris from January 2002 to December 2012. The study has not taken into account preferred shares and new entrants to trading shares. Additionally, the general indicators of the above stock markets served as the best approach to the market portfolio. The data used in this study are drawn from Bloomberg and DataStream databases. The rest of the study is organized as follows. In the second section, there is reference to the basics of the portfolio theory. Chapter 3 gives a brief overview of previous studies of the International Bibliography on the overreaction effect. Chapter 4 includes an analysis of the methodology used in the present study, while Chapter 5 gives in detail the results and interpretation of the research. Finally, Chapter 6 presents the final conclusions of the research, makes a comparison with previous studies and makes suggestions for further research. Summarizing the results of this study in the Greek, German and French stock market, eventually the overreaction effect was not proved.