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An Evolutionary Approach in Financial Forecast (A Random thought) VEAM 2010 at Cualo Le Hong Nhat.

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Presentation on theme: "An Evolutionary Approach in Financial Forecast (A Random thought) VEAM 2010 at Cualo Le Hong Nhat."— Presentation transcript:

1 An Evolutionary Approach in Financial Forecast (A Random thought) VEAM 2010 at Cualo Le Hong Nhat

2 The Classical Theory of Finance Risk and Return: A Brief Review Investors prefer high expected levels of return and dislike risk. It would be a mistake to ask the question as: Which investments are most attractive? By creating a portfolio, one can achieve the same level of return as any single asset, but with a less volatility.

3 The Classical Theory of Finance The One-Fund Portfolio: Illustration Mean return Standard deviation (Risk) One fund M C (CAPM): A (Single Asset) r

4 The Classical theory of Finance Implication of The One Fund: CAPM CAPM: Which says that the expected return of a security equals the riskless rate of interest, r, plus a risk premium, associated with the security’s beta. Rationally, If this expected return does not meet or beat the required return, then investors should not hold this asset or security.

5 The Classical theory of Finance Matching CAPM with the Real World Assumption on rational expectation. Rational behavior and adjustment mechanism. Embedded in the mechanism is EMH: prices can never be too far out of line.

6 The Classical theory of Finance Random Walk (EMH) & ARCH paradigm time EMH: (unbiased) ARCH Pricing error Variance is time varying:

7 An evolutionary Approach Bounded rationality and learning Bounded Rationality Adaptive Learning and Risk Dominance Stochastically Stable State Forecast in Adaptive Learning Environments. EMH in Adaptive Learning


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