Kreps: Riskiness Leverage Models Flashcards Preview

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Flashcards in Kreps: Riskiness Leverage Models Deck (15)
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1
Q

Desirable quantities for an allocatable risk load

A

Can be allocated to any level

Risk load of any sum of RVs should equal sum of individual risk loads

Same additive formula can be used to calculate risk load for any subgroup or group of groups

2
Q

Riskiness leverage ratio

A

Arbitrary selection by management incorporating their views towards risk

3
Q

Riskiness leverage model form

A
4
Q

Risk load as probability weighted average over outcomes of total loss

A
5
Q

Risk load as integral over risk load density

A
6
Q

Properties of risk load

A

R(c) = 0

R(aX) = aR(X)

It is possible to make L a function of x/S, where S is available, liquefiable surplus

7
Q

Risk neutral leverage model

A

f(x) = c

R(X) = 0

8
Q

Variance leverage model

A
9
Q

TVaR leverage model

A
10
Q

VaR leverage model

A
11
Q

SVaR (Semi-Variance) leverage model

A
12
Q

Mean downside deviation leverage model

A
13
Q

Proportional excess leverage model

A
14
Q

Generic management risk load: sources of risk

A

Not making plan

Seriously deviating from plan

Not meeting investor analysts’ expectations

Downgrade in ratings

Regulatory notice trigger

Not getting a bonus

15
Q

Management’s desired properties of the riskiness leverage ratio

A

Be a down side measure

Be roughly constant for excess that is small compared to capital

Become much larger for excess that signif