financial economics and actuarial science
TRANSCRIPT
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Copyright Jeremy Gold 2004
Financial Economics and Actuarial ScienceJeremy Gold
Pension RoundtablePublic Policy & Professional Standards
NYU — November 18, 2004
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Outline
• Introduction — financial economics concepts 2
• Investment 12
• Accounting 39
• Funding 47
• Design 58
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Introduction
• Crossroads for DB plans
• Science/professionalism today
• Client issues at Spring meeting
• Impact
– Public policy
– Professional standards
• Revitalization
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Concepts
• Efficiency
• Frictions– lack of transparency– transactions costs– taxes– regulatory barriers– costly bankruptcy
• Transparency
• Arbitrage
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Concepts
• No-Arbitrage Pricing – law of one price
• With frictions – an arbitrage-free range of prices
• Modigliani-Miller (1958)– No-arbitrage argument – frictionless environment.
– The mix of debt and equity used to finance a business (its capitalstructure) has no effect on the firm’s value.
– More interesting results occur when frictions are considered – taxarbitrage, costly bankruptcy, costly information.
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Concepts
• Modern Corporate Finance – (theory of the firm) – one oftwo main branches of financial economics –includes:– Capital structure – securities issued by the firm – its “liability” side
– Pension Finance (our area today) which carries implications for
• Investing pension assets• Pension accounting• Funding rules and the role of the PBGC• Benefit design
– Agency Theory (Jensen and Meckling, 1976)
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Concepts
• Agency Theory– Agents make decisions that affect principals
– Agents have their own preferences
– Lack of transparency (asymmetric information)
• Costly monitoring• Costly transparency• Agents help themselves• Incentives
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Concepts
• Other main branch – Portfolio Selection and Asset Pricing:
– Efficient Frontier – Markowitz (1952)
– Capital Asset Pricing Model – Sharpe (1964)
– Option Pricing Model – Black-Scholes (1973)
– Arbitrage Pricing Theory – Ross (1976)
– Term structure models – e.g., Cox-Ingersoll-Ross (1985)
– Three-Factor Asset Pricing – Fama-French (1992+)
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Concepts
• Actuaries generally need to learn about asset pricing not inorder to price assets but rather in order to value liabilities.
• When insurance actuaries talk about financial economicsthey usually refer to:– Option models to value product guarantees– Term structure models to measure and manage interest rate risks
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Concepts
• Pension actuaries espousing “financial economics” getmany of their concepts from Modern Corporate Finance:– Arbitrage
– Transparency
– The single price of market risk
– Agency theory
– Bankruptcy
– Tax arbitrage
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Concepts
• Questions
• Discussion
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Outline
• Introduction — financial economics concepts 2
• Investment 12
• Accounting 39
• Funding 47
• Design 58
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Investment
• Equity bias in actuarial methods and assumptions
• Modigliani-Miller + taxes => all bonds
Bodie-Gold-Kra (2001) - SOA Session 37, Dallas Spring Meeting
Bader (2003) , Gold-Hudson (2003) - Pre-roundtable Papers
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Investment
Equity Bias
• Framework• Sole Shareholder Owns• Shareholder Indifference• Base Case• Swap• Mis-Measurement• Review
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• Modigliani-Miller
• Transparency
• Sole shareholder alternative
• Ignoring taxes
• Generalizes to public companies
• Generalizes to government pension plans
InvestmentEquity Bias
Framework
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Large diversified portfolio
+
Company assets - company debts
+
Pension assets - pension liabilities
InvestmentEquity Bias
Sole Shareholder Owns
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Pension assets +/- publicly traded assets+
Diversified portfolio -/+ publicly traded assets=
Pension assets + diversified portfolio=>
S/H ability to offset=>
S/H indifference to pension allocation
InvestmentEquity Bias
Shareholder Indifference
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Pension assets ($1 million)
=
Bonds
=
Liability cash flow
InvestmentEquity Bias
Base Case
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Pension assets - bonds + S&P
+
Diversified portfolio + bonds - S&P
=
Pension assets + diversified portfolio (unchanged)
InvestmentEquity Bias
Swap
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Investment
Equity Bias
• Framework• Sole Shareholder Owns• Shareholder Indifference• Base Case• Swap• Mis-Measurement• Review
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• Actuaries misvalue a worthless swap
• FAS87/CICA3641/IAS19 use expected return (e.g., S&P =Bonds + 6%)
• Earnings increase by $60,000 (6%)
• With 15:1 P/E, Capitalized swap = $900,000
InvestmentEquity Bias
Mis-Measurement
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• Actuaries misvalue a worthless swap
• FAS87/CICA3641/IAS19 use expected return (e.g., S&P =Bonds + 6%)
• Earnings increase by $60,000 (6%)
• With 15:1 P/E, Capitalized swap = $900,000
InvestmentEquity Bias
Mis-Measurement
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• Actuaries misvalue a worthless swap
• FAS87/CICA3641/IAS19 use expected return (e.g., S&P =Bonds + 6%)
• Earnings increase by $60,000 (6%)
• With 15:1 P/E, Capitalized swap = $900,000
InvestmentEquity Bias
Mis-Measurement
See Vancouver – June 2003 – Coronado and Sharpe
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• Actuaries misvalue a worthless swap
• FAS87/CICA3641/IAS19 use expected return (e.g., S&P =Bonds + 6%)
• Earnings increase by $60,000 (6%)
• With 15:1 P/E, Capitalized swap = $900,000
InvestmentEquity Bias
Mis-Measurement
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InvestmentEquity Bias
Mis-Measurement
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InvestmentEquity Bias
Mis-Measurement
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Investment
All Bonds
• Pension Equity => Shareholder Tax Loss
• Magnitude and Source of value
• New Equilibrium - What if Everybody Did It?
• First Mover Advantage
• Review
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Investment - All BondsPension Equity => Shareholder Tax Loss
Swap (35% Corporate Tax)
Pension assets - bonds + S&P
+
Diversified portfolio + .65*bonds - .65*S&P
=
No change in after-tax s/h equity exposure
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Investment - All BondsPension Equity => Shareholder Tax Loss
Base Case and Assumptions
• Assets ($1mm) = bonds = liabilities
• Personal tax on bond income: 40%
• Personal tax on equity returns: 15%*
• Risk-free return: 5%
* Equivalent annual rate of tax
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Investment - All BondsPension Equity => Shareholder Tax Loss
Tax Effects of Swaps
• Pension swap: $1mm bonds –> S&P
• Diversified swap: $650k S&P –> bonds
• S/H tax increase:
(650k)(.05)(.4-.15)=(.05)162.5k
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Investment - All BondsPension Equity => Shareholder Tax Loss
Present Value of S/H Tax Loss
PV = (.05)162.5k/(.05)(1-.40) = 270.8k
In reverse, when a U.S. plan adopts an All-Bond allocation,s/h gain =
$270.8k per $1mm
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Investment - All BondsMagnitude & Source of Value
$2 in Bonds : $3 in Equity
• Reallocate $1mm => s/h +270.8k
• S/H value of $1mm pension asset: (650k)(1-.15) = 552.5k
• Equity-Bond swap adds 50% to s/h after-tax value of planassets
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Investment - All BondsMagnitude & Source of Value
Arbitrage not Statistical Model
• Boots’ swap adds 50% to s/h after-tax value of plan assets
• Not based on statistical model or estimates
• Based on risk-free arbitrage
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Investment - All BondsMagnitude & Source of Value
Shareholder Action Not Necessary
• Value arises from plan swap alone (with transparency)
• Reduced risk should cause s/h’s to increase personalleverage
• Risk may be partly recaptured via balance sheet leverage
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InvestmentAll Bonds
New Equilibrium - What if Everybody Did It?
• Firm leverage on balance sheets
• No pension leverage
• Less notional equity
• More notional debt
• Less cross-ownership
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InvestmentAll Bonds
First Mover Advantage
• How do we get to new equilibrium
• Not immediately, over time
• Poor equity returns during transition
• Transition demand for more bonds
• First movers win
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Investment
Review
• Ignoring taxes => shareholder indifference
• Actuarial mis-measure => equity investments
“Value” might look like 90% of assets
• Taxes + transparency => bonds
Value IS 50% of assets
• First mover advantage
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Investment
• Questions
• Discussion
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Outline
• Introduction — financial economics concepts 2
• Investment 12
• Accounting 39
• Funding 47
• Design 58
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Accounting
• Post-FRS 17 Accounting
• PBO versus ABO
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• CICA 3461 ~ FAS 87 ~ IAS 19
• FRS 17 Closer to Financial Economics– No smoothing, no amortizations– Separation of operating versus financing
• Post-FRS 17– No anticipation of equity returns– ABO not PBO
Accounting
Post-FRS17
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• No more smoothing– assets at market– liabilities at market
• No more amortizations– immediate recognition (through STRGL) of gain & loss– immediate recognition of vested benefit improvements
• Separation of:– operating expense (service cost)– financing results (surplus/deficit increase/decrease)
See Contingencies – September/October 2002 – Valuing Companies
AccountingPost-FRS 17
FRS 17 Closer to Financial Economics
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• No anticipation of equity returns
• ABO/VBO not PBO
• Liability discount (Reinventing: Principle 4)– default-risk-adjusted yield curve– yield curve => hedge-able
See Vancouver – June 2003 – Periodic Cost of Employee Benefits
Accounting
Post FRS 17
See The Actuary (U.K.) – April 2002 – The Trouble with FRS 17
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Accounting
• Questions
• Discussion
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AccountingPost-FRS 17
PBO versus ABO
Figure 1Benefit Accumulation
0
40000
80000
120000
0 5 10 15 20 25 30
Years
Acc
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Ben
efit
($00
0)
Accrued Benefit Projected Benefit
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Figure 2Annual Benefit Recognized
0
2000
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6000
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10000
0 5 10 15 20 25 30
Years
Ann
ual B
enef
it($
000)
Accrued Benefit Projected Benefit
AccountingPost-FRS 17
PBO versus ABO
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Outline
• Introduction — financial economics concepts 2
• Investment 12
• Accounting 39
• Funding 47
• Design 58
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• Rational Funding with Transparency w/o Guarantees
• Society’s Rational Interest when Employees Aren’tInformed and Rational
• Role of the PBGC
Minimum Funding Rules & PBGC Guarantees
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Minimum Funding Rules & PBGC Guarantees
Rational Funding with Transparency
• Benefits = promises in lieu of pay
• Unfunded = borrowing from employees– undiversified– expensive lenders
• Funding = collateral– raises benefit value– lowers benefit risk
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Minimum Funding Rules & PBGC Guarantees
Rational Funding with Transparency
• Borrow from diversified lenders to fund– lower compensation cost– tax-efficient debt refinancing
• With rationality and transparency – fund fully
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Minimum Funding Rules & PBGC Guarantees
Society’s Rational Interest
• Employees ignorant, make bad loans– Good for shareholders– But bad for society which has capacity to impose transparency and
rationality
• Society has an interest in full funding, not as a moralmatter, but rather as a matter of efficiency
Pareto Efficiency – See the Actuary – October 2003
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Minimum Funding Rules & PBGC Guarantees
Society’s Rational Interest
• Path independence - where you are; not how you got there– Funding ratio– Asset liability mismatch
• Overfunding - allow more funding in good times?– If a weak company had funded more in 1998-2000, they would
have lost more– Weak don’t overfund, strong do, tax leakage
See Contingencies – September/October 2003 – Stopping the Insanity
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Minimum Funding Rules & PBGC Guarantees
Role of PBGC guarantees
• Society commits to promises being kept thru:– Monitoring– Funding rules– Insurance
• Monitoring is typically annually and delayed
• Funding protects– Employees without insurance– Insurer with insurance– Other companies and /or taxpayers
See Pension Section News – September 2003 - p. 7
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Minimum Funding Rules & PBGC Guarantees
Role of PBGC guarantees
• Insurance can be efficient for pure accidents– All insurance invites anti-selection and moral hazard
• default game – prisoners’ dilemma – loan guarantees– Full funding and matching mitigates both– Perfect premiums – second best
• Intrusive monitoring• Must be coercive – i.e., overpriced
See Pension Section News – September 2003 - p. 22
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Minimum Funding Rules & PBGC Guarantees
Role of PBGC guarantees
• Full funding measured by riskless defeasance
– Aa insufficient, even if matched
• Monitoring not continuous =>
– including accruals to next monitoring date– mismatch cushion
See SOA Record, San Francisco 2002, Session 118
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Minimum Funding Rules & PBGC Guarantees
Role of PBGC guarantees
• Yield curve => hedge-ability
– better than actuarial (AAA) plea for predictability• predictability => knowable mis(measure) of risk• hedge-ability => accept, dispose of, or manage, risk
– no averaging over time – e.g., 4-year or 90-day• with matched portfolio on every day, I do not match the measure
See Senate Testimony – March 2003 –http://users.erols.com/jeremygold/usingtreasury.pdf
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Funding
• Questions
• Discussion
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Outline
• Introduction — financial economics concepts 2
• Investment 12
• Accounting 39
• Funding 47
• Design 58
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Design
• Plan design: how may DB plans be revitalized in atransparent world?
• Consider new designs for:– DB plans themselves AND
– The regulatory environment
• Both informed by the lessons of pension finance
• Tested by the search for economic value added (EVA)
The Actuary, October 2003, Jeremy Gold, What’s Next?
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Design
• Plans are contracts made between shareholders andemployees
• Contracts can create or destroy value
• Pro-sound-funding, anti-value-destroying regulation, e.g.:– some vesting rules– front and back loading restrictions– age discrimination limitations– whipsaw– etc.
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Design
• Value destroying plans and actuarial techniques – STOP IT
• Value added plan designs – GO TO IT
• Value destroying rules – CHANGE THEM
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Design – Value Destroyers• Lump sums• Long cliff eligibilities
– Subsidized early– Shutdown benefits
• Inefficient transfers of risk• Things that increase costs of labor and/or capital
– Implicit contracts– Off-market CB crediting rates – e.g. current coupon on 10-year bond– PBO service cost– Smoothing/amortizing– Unhedge-able
• Benefit promises• Benefit valuations• Funding rules
– Uncompensated A/L mismatches
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Design – Value Destroyers
• Agency costs– Moral hazard
– Principals missing from the table
• Future taxpayers• PBGC
– Valuing $100 benefit at $70
– Robbing Peter to pay Paul
NAAJ, January 2005, Jeremy Gold, Retirement Benefits, Economics ...
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Design – Value Creators
• Annuities• Transparency/Communication/Explicit contracts• Attract, retain, motivate and exit
– Principal/agent at the employer/employee level– Pay administration – focus on total compensation– Attract – ABO service cost allows competition for young workers– Retain and Motivate – New vesting schedules – ERISA change
• Encourages investment in training• Creates “training” bond• Creates “performance” bond
– Exit – DB superior to DC
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Design – Rules Changes
• A paradigm shift? – already under way?
• Be careful what we ask for
• As we cooperatively manage the paradigm shift, should wecontinue “business as usual” commentary to policymakers?
• ASOP 27?
Pension Forum, December 2004, Bader-Gold, What’s Wrong with ASOP27?
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Design
• Questions
• Discussion
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Restricted Usage
• Copyright Jeremy Gold 2004
• Please note that this document is not publicly available; it is availableto invitees and attendees at the November 18, 2004 FinancialEconomics Roundtable. It may be shared with others in your firm(agency) on an educational basis. It may not be used for commercialpurposes or shared outside your firm without permission of the author.If you wish to use them for another purpose, please contact JeremyGold at [email protected].
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Copyright Jeremy Gold 2004
Financial Economics and Actuarial ScienceJeremy Gold
Pension RoundtablePublic Policy & Professional Standards
NYU — November 18, 2004