
Application Of Random
Matrix Theory
To The Analysis Of Financial Markets (2006)
Outstanding
undergraduate Dissertation
10,000 words – 71 pages
Excellent use of literature
Excellent use of economic models
This
dissertation shows the application of Random Matrix Theory (RMT)
to the analysis of cross-correlation between price fluctuations of
different financial assets e.g. the money market, stock market, etc.
In mathematics, RMT is the study of the properties of random matrices.
The mathematical properties of matrices with elements drawn from
statistical distributions i.e. random matrices, determine the physical
properties.
The eigenvalues and eigenvectors of random matrices are often of
particular interest.
In this dissertation, the theory of random matrices was applied to the
currency market. A cross-correlation matrix was constructed, and its
eigenvalues and eigenvectors were investigated. It was found that due
to a country locking its currency to another country’s
currency, the eigenvalues and eigenvectors did not behave as intended.
The currencies which were locking to other currencies were deleted from
the data and a revised correlation matrix was constructed and its
eigenvalues and eigenvectors investigated.
There is no existing research on the application of RMT on currency
market. So this paper is pioneering in the investigation on these
models.
Chapter
One
Introduction
Definition: Financial Markets
Definition: Currency
Definition: Markowitz Portfolio
Definition: Correlation Matrix
Definition: Hermitian Matrices
Definition: Wishart Distribution And Wishart Matrix
Definition: Random Matrices And Its Application
Definition: Density Of States
Definition: Level Density
CHAPTER
2
Background Reading And Motivation
Definition: Gaussian Orthogonal Ensemble
Sample Simulation On Random Matrices
Procedure
Observation
Conclusion
CHAPTER
3
Investigating The Currency Market
Constructing The Correlation Matrix
Definition: Log Return
Statistics Of Correlation Matrix
Distribution Of Eigenvalues
Investigating The Density Of Eigenvalues Of "C"
Properties Of Wishart Distribution
Definition: Least Squares
Conclusion
Supplementary Test On Eigenvalues
Hypothesis
Introducing “Noise” To The Data
Investigating The Eigenvectors
Plotting The Eigenvectors
Results
Definition: Fixed Currency And Fixed Exchange Rate
CHAPTER
4
Correlation Matrix After Deleting Currencies
Calculating The Revised Correlation Matrix
Investigating Eigenvalues
Investigating Eigenvectors
Analysing The Eigenvectors
Conclusion
CONCLUSION
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