CM2 Topics

List of CM2 topics.

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The dominant theory

Fundamental analysis

Efficient Market Hypothesis (EMH)

• Weak form EMH

• Semi-strong form EMH

• Strong form EMH

Informational efficiency

Volatility tests

Meaning of utility

Utility functions

The expected utility theorem

The marginal utility of wealth

Fair gamble

Derivation of the expected utility theorem

• Comparability

• Transitivity

• Independence

• Certainty equivalence

Non-satiation (Utility function = U'(w) > 0)

Risk aversion

• Risk-averse investor (Utility function = U''(w) < 0)

• Risk-seeking investor (Utility function = U''(w) > 0)

• Risk-neutral investor (Utility function = U''(w) = 0)

Measuring risk aversion

Addictive/Absolute gamble:

Take one example of a fair gamble represented by a random variable y. The amounts that an investor can lose or win are fixed absolute amounts. In this case, the amount lost or won by the investor is independent of the wealth (w).

So, if the investor accepts the gamble, the resulting final wealth is w + y.

U(Cw) = E[U(w + x)]

Multiplicative/proportional gamble:

Take one example of a fair gamble represented by a random variable y. The amounts that an investor can lose or win are all expressed as proportions of the initial wealth.

So, if the investor accepts the gamble, the resulting wealth is w * y.

U(Cw) = E[U(w * y)]

Absolute risk aversion (ARA)

• denoted by A(w)

• measured by the function A(w) = -U''(w) / U'(w)

Relative risk aversion

• denoted by R(w)

• measured by the function R(w) = -w * (-U''(w) / U'(w))

The quadratic utility function

The log utility function

Iso-elastic utility function

The power utility function

Negative exponential utility function

Hyperbolic Absolute Risk Aversion (HARA)

State-dependent utility functions

How to find maximum and minimum premium

Limitations of utility theory

What is Behavioural finance?

Absolute dominance

Stochastic dominance

• First-order stochastic dominance

• Second-order stochastic dominance