O'Reilly logo

Econophysics by Gheorghe Savoiu

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 3

The Efficiency of Capital MarketsHypothesis or Approximation

Gheorghe Săvoiu1 and Constantin Andronache2

1University of Piteşti, Faculty of Economics, Romania

2Boston College, Chestnut Hill, MA, USA

3.1Introduction: Defining Market Efficiency

3.1.1 Criticism of the “Market Efficiency” Concept

3.1.2 Types of Market Informational Efficiency

3.2 Test of Market Efficiency

3.2.1 Weak from Tests

3.2.2 The Random Walk Model

3.3 Data and Procedure

3.4 Variability of Market Efficiency

3.5 Conclusions

Acknowledgments

References

3.1 Introduction: Defining Market Efficiency

The efficient market hypothesis (EMH) is getting new consideration in recent studies of financial markets in part due to the need for a baseline price model and in part due ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required