Chapter 18: Risk Control Flashcards

1
Q

f) methods for monitoring and controlling xposure to risk

List five main financial risks faced by an institutional investor.

Financial risks

A
  1. Market risk - the risk relating to changes (falls) in the valye of pf due to movements in the market value of the assets held.
  2. credit risk - the risk that counterparty to an agreement will be unable or unwilling to fulfil their obligations
  3. Liquidity risk
    - for all companies - cashflows generated by assets are insufficient to meet liabilities in all future periods.
    - financial services institutions - risk of not being able to raise funds (by having access to cash balances, borrowing or sale of assets) reasonable cost at all times.
  4. Operational risks - the risk of loss due to fraud or mismanagement within fund management organisation itself.
  5. Relative performance risk - risk of under-performing comparable institutional investors.
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2
Q

f) methods for monitoring and controlling xposure to risk

Explain:
- how market risk might be measured/defined in practice

Financial risks

A

Measuring market risk:
- Suitable measure might be the variance of pf returns over specifed period or VaR
- Returns may be measured in absolute terms or relative to a benchmark, value liabilities and industry median fund.
- Time scales will depend on the institution

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3
Q

f) methods for monitoring and controlling xposure to risk

Decribe how market risk can be monitored and controlled.

Financial risks

A
  1. identifying and defining (market) risks as above
  2. Modelling risk - establishing a mathematical model that will allow the risk to me calculated at any point in time (simulations, VaR or mean-varience framework)
  3. Systems, reporting and benchmark - The next is ensure that computer systems and data inputs are in place to calculate the risk exposrure as often as required.
    - The levels of the market risk should be monitored regular intervals and results shared with decisions makers so they can make informed decisions.
  4. Provide managers with guidelines that can be translated into practical benchmarks and limits (load differences and load ratios)
  5. Risk control needs to be clearly documented and those responsible for monitoring should be independent of the fund managers.
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4
Q

f) methods for monitoring and controlling xposure to risk

Explain the difference between load difference and load ratio.

Financial risks

A
  1. Load difference - specifies limit for departure from benchmark asset allocation as % of the total pf.
  2. Load ratio - specifies limit from departure from benchmark asset allocation as % of benchmark allocation to that class. (effect is that a constant load ratio permits a smaller absolute variation in the lower weighted asset classes)
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5
Q

f) methods for monitoring and controlling xposure to risk

Outline the desirable features and requirements of market risk monitoring system.

Financial risks

A
  • Senior management should receive regular reports
  • Up to date reporting of Risk Exposure (e.g, VaR, benchmark asset distributions between main classes toggether with deviations from benchmark)
  • reporting done on a Regular basis
  • Monitoring personal should be Independent of fund managers
  • Output should be quantifiable
  • Factors that determine risk should be Understandable to fund managers and other personnel using the system
  • Standard (automated) data input procedures so that changes ( e.g., asset values, pf mix) are capture quickly.
  • Managers should be able to See effect of proposed changes
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6
Q

f) methods for monitoring and controlling xposure to risk

State the two key factorsr in controlling credit risk and list six ways in which it can be controlled.

Financial risks

A

Key factors in managing credit risk are:
- creditworthiness of conterparties
- total exposure to each counterparty

Controlling these:
- (creditworthiness) placing limits (depending on length of exposure) on credit ratings of counterparties
- (credit risk) by trading derivatives on recognised exchanges
- demanding collateral and/or margin payment
- (credit exposure) placing limits on individual credit exposures to any singe counterparty
- avoid aggregations of exposure
- use credit derivatives

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7
Q

f) methods for monitoring and controlling xposure to risk

List five ways operational risk can be controlled.

Financial risks

A
  1. Good management practices including having established and documented chains of reporting and responsibility
  2. suitable qualifications, training and experience for those with responsibilities
  3. management should understand the complex nature of deals undertaken by traders
  4. seperation of front office (trading, transacting, sourcing and making deals) and back office functions (settlement and accounting)
  5. setting up audit trails1.
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8
Q

f) methods for monitoring and controlling xposure to risk

List sources of operational risks for a small domestic company.

Financial risks

A

People:

  • Fraud and theft
  • Human error
  • Staff resource problems

Processes:

  • manufacturing failures
  • delivery failures
  • Internal control problems

Technology:
- IT problems
- Confidentiality and security breaches

External:
- product liability
- health and safety issues
- disasters
- third-party dependency

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9
Q

f) methods for monitoring and controlling xposure to risk

Explain how a balance sheet model (Gap analysis) of liquidity can be used to control liquidity risk.

Financial risks

A

All assets are allocated one of two categories - liquid or illiquid.

All liabilities are classified as either stable or volatile.

The focal point of the analysis is the concept of ‘net liquid assets’ or the liquidity gap - the difference between the level liquid assets and volatile liabilities.

Allowance should be made for liquidation costs associted with cnoverting items to cash, e.g., brokerage and investment banking fees and basis bid-offer spread in the market for assets involved, as well as the time available for conversion.

Liquid (volatile) assets (liabilities) have a maturity (are due in) of 6 months or less.

The main issue with this approach is that it does not quantify the potential cost or impact of such a gap under stress situations such as an increase in the cost of finance.

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10
Q

f) methods for monitoring and controlling xposure to risk

Explain how liquidity duration or liquidity risk elasticity of liquidity can be used to control liquidity risk.

Financial risks

A

It considers the impact of changes in market condition and potential cost of the liquidity gap.

This process consists of two stages:

  1. Calculate the present value of assets and liabilities using the ‘cost of funds’ rate as discount rate.
  2. Measure the change in the institution’s equity ((LRE from a change in the the cost of funds (due to an increase in the risk premium paid to raise money)

If the LRE is zero, then the institution has zero liquidity risk by this measure. if it is sharply negative, it may pay more for the institution to shorten the maturity of its assets and lengthn the maturity of its liabilities, thereby increasing liquidity.

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11
Q

f) methods for monitoring and controlling xposure to risk

Explain how relative perforamance risk can be monitored and controlled.

Financial risks

A

The techniques for monitoring and controlling RPR are the same as those for controlling market risk except that performance is measured relative to the institution’s competitors rather than absolute terms or relative to the whole market.

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12
Q

f) methods for monitoring and controlling xposure to risk

Outline the typical objectives of controlling and monitoring RPR and how to minimize it.

Financial risks

A

Typical objectives to aim to minimise risks of achieving:
- below median investment returns over one or more specified terms, e.g., 1 year, 3 year, 5 year year and/or 10 years terms.
- median or above investments returns less than 90% of the time (for any particular term)
- returns below those yielded by a particular investment index

Ways to minimise relative performance risk might therefore:
- commercial matching, i.e holding similar investment pfs to your competitors
-index tracking

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13
Q

f) methods for monitoring and controlling xposure to risk

Outline the major difficulties when attempting to assess relative performance risk.

Financial risks

A
  1. identifying the appropriate peer group to compare with…
    …may be straightforward for unitised that it is for insurance company with-profit fund with different liability profile from other insurers.
  2. obtaining reliable and accurate data on performance of competitors
  3. making allowance for the risk of position taken
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14
Q

f) Mean-variance portfolio

Outline what is meant by Mean-variance Portfolio Theory (MPT).

Portfolio theory

A

Specifies a method for an investor to construct a pf that gives the maximum expected return for a specified level of risk, or minimum risk for a specified level of expected return.

(The theory ignores the investor’s liabilities, thus, actuarial risk)

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15
Q

f) Mean-variance portfolio

List the seven assumptions underlying MPT.

Portfolio theory

A
  1. All expected returns, variances and covariances of pairs of assets are known
  2. Investors are non-satiated
  3. Investors make decisions pure baseed on expected returns and variance of returns
  4. investors are risk averse
  5. there are no taxes and transaction costs
  6. assets may be held in any amounts, i.e., short-selling is possible, we can have infinitely divisible holdings, and there are no maximum investment limits.
  7. there is a fixed single-step time period.
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16
Q

f) Mean-variance portfolio

In MPT, variance return and expected returns are all that matter, list other factors that might influence investment decisions in practice that are ignored by MPT.

Portfolio theory

A
  • Liquidity and marketability of assets
  • Expertise
  • Level of wealth (fund size)
  • higher momenets of distribution of returns such as skewness and kurtotise
  • objectives and and suitability liabilitiies
  • taxes and transation costs
  • restrionctions imposed by legislation
  • restrictions imposed by the fund’s trustees
  • length of time horizons
17
Q

f) Mean-variance portfolio

In the context of MPT, explain what is meant by each of the following:
- opportunity set
- efficient pf
- efficient frontier
- indifference curves
- optimal pf

Portfolio theory

A
  • opportunity set - set of all combinations of mean and variance attainable from available securities
  • Efficient pf - it is pf for which a pf with a higher (lower) expected return (variance) with the same or lower level of variance ( higher expected return) cannot be found.
  • Efficient frontier - set of efficient pfs.
  • indifference curves - line joining a combination of expected returns and variance of returns for which the investor is indifferent because they offer the same expected utility.
  • optimal pf - a combination available securities that maximises investor’s expected utility
18
Q

f) Mean-variance portfolio

In the case if two securities (A and B), state a formula for proportion invested in the fiest security (x_A) that defines the minimum variance pf

Portfolio theory

A

x_A = (V_B - C_AB)/(V_A -2C_AB + V_B)

where:
- x_A is the proportion invested in the first security (A)
- V_i is the variance of the returns of security i
- C_AB is the covariance of the returns on the two securities.

19
Q

f) Mean-variance portfolio

Discuss the theoretical benefits of diversification in terms of its effect on the risk of a pf.

Portfolio theory

A

In most markets, the correlation coefficient and covariance between assets is positive. In these markets, the risk of a pf cannot be made to go to zero, but can still be much less than the variance of an individual asset.

if for example, the pf is invested equally in N securities, then the contribution to the pf variance of the variances of the individual variances goes to zero. However, the contribution of the covariance terms approaches the average covariance as N gets large.

So, the individual risk of securities can be diversified away, but the contribution to the total risk caused by the covariance terms cannot be diversified away.

20
Q

a) risk-free return and assets that may be assumed to be risk-free

Define what is meat by risk-free return.
List securities that might be assumed to be risk-free.

Risk-free return

A

Risk-free return:
- rate at which money is borrowed or lent when there is not credit risk, so that the money is certain to be repaid.

Securities assumed to be risk free include:
- Treasury bonds
- short-term governmen bonds
- long-term government bonds
- index-linked government bonds

21
Q

a) risk-free return and assets that may be assumed to be risk-free

Outline why the above securities are not in practice ‘risk-free’.

Risk-free return

A
  • the thinking of being ‘risk-free’ was based on the idea that governments can print money to pay off debts.
  • while this is true for closed economies, it is not so for governments that use shared currency or those that tie their currencies to others.
  • printing money deflats the value of the currency against other currencies
  • thus, holder of the security might not receive a return that is free of currency risk