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Exam ALTAM · Universal Life Profit and Reserves · Tutorial 633 of 999

Policy Account Value Versus Insurer Reserve

Learn why the policy account, the amount payable on surrender, and the insurer’s prospective reserve are different quantities, and how to compare them consistently.

Advanced 11 min read

What You'll Learn

  • Define account value, surrender value, and insurer reserve by their different roles.
  • Calculate a one-period prospective reserve from state-contingent benefits and expenses.
  • Compare a reserve with account and surrender values without assuming they must be equal.
  • Separate the policy’s credited rate from the insurer’s valuation interest rate.
  • Identify common errors involving surrender charges, cash-flow timing, and discounting.

Three Values That Answer Different Questions

A universal life policy can display an account value and a surrender value while the insurer also holds a reserve for the contract. These amounts may be close, but they are not interchangeable: each answers a different question. The account value describes the policy’s accumulation under its contract mechanics; the surrender value describes what the policyholder could receive on surrender at a stated time; and the reserve is a valuation of the insurer’s future obligations, net of future income, on a specified basis.

A useful comparison therefore starts by asking whose value is being measured, at what time, and under which assumptions? A contractual account crediting rate governs the account projection. A valuation interest rate is used to discount future cash flows in a reserve calculation. The rates need not be equal. Likewise, a surrender charge may reduce the amount payable now without defining the insurer’s reserve.

Definitions: The policy account value, denoted here by \(AV_t\), is the account balance at time \(t\) under the policy’s premium, charge, and crediting rules. The surrender value, denoted by \(SV_t\), is the amount payable if the policy is surrendered at time \(t\), as determined by the contract. The insurer reserve, denoted by \(V_t\), is the value at time \(t\) of the insurer’s future obligations less future income, calculated for an in-force policy under a stated valuation basis.

The account balance is a policy ledger, not automatically the amount the insurer must pay in every future state. The surrender value can differ from the account value because of a surrender charge, a contractual adjustment, or other policy terms. The reserve depends on the expected value of future cash flows and the valuation assumptions. It can be greater than, less than, or equal to either displayed policy amount.

A One-Period Reserve Framework

For a transparent comparison, consider a one-period model. A policy is in force at time 0. During the year, exactly one of several mutually exclusive outcomes occurs. For outcome \(j\), let \(p_j\) be its probability under the valuation basis and \(B_j\) the insurer’s benefit payment at the end of the year. Let \(E_j\) be the insurer’s expense in that outcome. Assume no future premium is due, and let \(i\) be the annual valuation interest rate. If all the listed amounts are payable at year-end, the prospective reserve is:

$$ V_0=\frac{\sum_j p_j(B_j+E_j)}{1+i} $$

This is a simplified model: it assumes a single year-end payment date, a known one-year outcome distribution, and no other future inflows or outflows. If a premium is received at time 0, the reserve immediately before receipt includes that premium as future income; if it is calculated immediately after receipt, it does not. More generally, timing must be stated before cash flows are combined.

The formula follows directly from the prospective definition. In outcome \(j\), the insurer pays \(B_j+E_j\) at year-end, whose time-0 present value is \((B_j+E_j)/(1+i)\). The expected present value across mutually exclusive outcomes is the probability-weighted sum:

$$ \sum_j p_j\frac{B_j+E_j}{1+i} =\frac{\sum_j p_j(B_j+E_j)}{1+i} $$

If a premium \(P_0\) is payable immediately at time 0 and the reserve is measured just before it is received, subtract \(P_0\) from the present value of future outgo. That adjustment is appropriate only when the premium is genuinely a future inflow at the valuation time; it is not an extra account-value adjustment.

Key distinction: Use the policy’s contractual crediting rules to project \(AV_t\). Use the valuation basis, including its discount rate and probabilities, to calculate \(V_t\). Apply the contract’s surrender terms to determine \(SV_t\). Do not substitute one calculation for another merely because all three amounts relate to the same policy.

Worked Comparisons

Worked Example: A Reserve Above Both Policy Values

A hypothetical policy has a current account value of $12,000. Surrender today would incur a charge of 4% of the account value. For a one-year illustration, assume there are no future premiums. The probability of death during the year is 0.03. The death benefit is $16,000. If the policyholder survives to year-end, the benefit paid at that endpoint is the account value credited at 3% for the year. An insurer expense of $75 is paid at year-end in either outcome. Use a 4% annual valuation interest rate. Find the current account value, surrender value, and one-period reserve.

Method. Calculate the surrender amount using the contract charge, project the account using the policy crediting rate, and value year-end outgo using the valuation rate.

The current account value is \(AV_0=\$12{,}000\). The surrender charge is \(0.04(12{,}000)=\$480\), so:

$$ SV_0=12{,}000-480=\$11{,}520 $$

The survival benefit is based on a 3% account credit:

$$ 12{,}000(1.03)=\$12{,}360 $$

The expected year-end benefit is \(0.03(16{,}000)+0.97(12{,}360)=480+11{,}989.20=\$12{,}469.20\). The expense is paid in either outcome, so expected total outgo is \(12{,}469.20+75=\$12{,}544.20\). Discounting at the 4% valuation rate gives:

$$ V_0=\frac{12{,}544.20}{1.04} =\$12{,}061.7307\ldots \approx \$12{,}061.73 $$

The final comparison is \(AV_0=\$12{,}000\), \(SV_0=\$11{,}520\), and \(V_0=\$12{,}061.73\). The reserve exceeds the account value because the stated death benefit and expense affect the insurer’s expected outgo. The surrender charge reduces the immediate surrender payment; it is not subtracted from this reserve calculation.

Check. The outcome probabilities sum to \(0.03+0.97=1\), the expense is included once in each outcome, and the reserve is the expected year-end outgo discounted by \(1.04\).

Worked Example: A Reserve Below the Account Value

A hypothetical policy has account value $10,000 and surrender value $9,400 today. Over the next year, the policy has three mutually exclusive outcomes: death with probability 0.02 and a $10,500 benefit; lapse with probability 0.10 and a $8,900 payment; or persistence to the year-end endpoint with probability 0.88 and a benefit equal to the account value credited at 4%. An expense of $50 is paid at year-end in every outcome. Use a 4% valuation interest rate, with no future premiums. Calculate the reserve and compare the three values.

Method. Value each outcome separately, probability-weight the outgo, include the expense in every state, and discount the total.

The persistent-policy benefit is \(10{,}000(1.04)=\$10{,}400\). Expected benefit outgo is:

$$ 0.02(10{,}500)+0.10(8{,}900)+0.88(10{,}400) =210+890+9{,}152 =\$10{,}252 $$

The $50 expense is payable regardless of outcome, so expected total outgo is \(10{,}252+50=\$10{,}302\). Thus:

$$ V_0=\frac{10{,}302}{1.04} =\$9{,}905.7692\ldots \approx \$9{,}905.77 $$

Here \(SV_0=\$9{,}400\), \(V_0=\$9{,}905.77\), and \(AV_0=\$10{,}000\). In this model, the reserve is below the account value because some probability is assigned to a lapse payment below the account balance, and all future outgo is discounted. This does not establish a general ordering: changing the benefits, expenses, probabilities, or valuation rate can change the comparison.

Check. The state probabilities sum to \(0.02+0.10+0.88=1\), and the expected expense is \(0.02(50)+0.10(50)+0.88(50)=\$50\).

Worked Example: Separating Crediting and Valuation Rates

A hypothetical policy has a current account value of $10,000 and a surrender charge of $300 if surrendered now. During the next year, the death probability is 0.04. The death benefit is $12,000; if the policyholder survives, the year-end benefit equals the account after a 2% credit. An expense of $60 is paid at year-end in either outcome. Use a 3% valuation interest rate and assume no future premiums. Find the account value, surrender value, and reserve. Then find the reserve if the valuation rate were 5%, with all other assumptions unchanged.

Method. Apply the 2% policy credit only to the account projection. Apply each specified valuation rate only when discounting the expected outgo.

The account value and surrender value at time 0 are \(AV_0=\$10{,}000\) and \(SV_0=10{,}000-300=\$9{,}700\). The survival benefit is \(10{,}000(1.02)=\$10{,}200\). Expected year-end benefit outgo is:

$$ 0.04(12{,}000)+0.96(10{,}200) =480+9{,}792 =\$10{,}272 $$

Including the expense gives expected total outgo of \(10{,}272+60=\$10{,}332\). At a 3% valuation rate:

$$ V_0=\frac{10{,}332}{1.03} =\$10{,}031.0679\ldots \approx \$10{,}031.07 $$

At a 5% valuation rate, the cash flows and their probabilities are unchanged, but the discount factor changes:

$$ V_0=\frac{10{,}332}{1.05} =\$9{,}840.00 $$

The account value remains $10,000 and the surrender value remains $9,700 in both calculations. Only the reserve changes with the valuation rate. Common mistake: discounting the $10,332 at 2%, because 2% was the credited rate, would give \(10{,}332/1.02=\$10{,}129.41\). That is incorrect: the contract credit determines the survival account benefit, whereas the problem specifies 3% as the valuation rate.

Check. The death and survival probabilities sum to 1, the $60 expense is included in both outcomes, and the reserve at 5% is lower than at 3% because the same positive future outgo is discounted more heavily.

How to Compare the Amounts Reliably

For a sound comparison, label each amount with its time and purpose. A current account value is not a year-end projected account value; a surrender value is payable only under the stated surrender terms; and a reserve is calculated for an in-force policy under a stated valuation basis. A compact calculation sequence helps prevent values from being mixed:

1
Fix the valuation time and perspective.
State whether the reserve is before or after any premium or other cash flow due at that time.
2
Project policy values under contract rules.
Apply the relevant premium, charge, and crediting rules to obtain the account value at each future payment date.
3
List future insurer cash flows by outcome.
Include benefits and expenses in the outcomes where they are payable, and include future income when the reserve definition and timing require it.
4
Calculate the reserve on its own basis.
Weight cash flows by the stated probabilities and discount using the valuation interest rate, then compare the result with account and surrender values.

A common exam trap is to treat the account value as the reserve simply because a death benefit or survival benefit is linked to the account. A link in the benefit formula does not remove other cash flows from the reserve. A death benefit may exceed the account, expenses may be due, and a surrender payment may be lower than the account. Conversely, the reserve can be lower than the account when the expected future outgo and valuation assumptions produce that result.

Another trap is to compare values calculated at different times. If a premium is due at time 0, an account projection may add it before applying charges and interest, while a reserve measured just before receipt treats it as future income. Writing down the timing of each cash flow resolves this apparent disagreement. The reserve is not a policyholder statement balance; it is a valuation of the insurer’s net future cash flows for the specified model and basis.

Key takeaway: Account value, surrender value, and insurer reserve are distinct quantities. Calculate each from its own definition, use the correct timing, and keep the policy’s credited rate separate from the reserve’s valuation rate.

Check Your Understanding

For each problem, state the relevant cash flows before comparing or calculating the values. Round dollar answers to the nearest cent.

  1. A policy has account value $12,000 and a surrender charge of 3% of that value. Find the surrender value. (Answer: $11,640.00)
  2. A hypothetical one-year policy has account value $15,000, credits 2%, and pays $18,000 on death with probability 0.03 or the credited account value on survival. An expense of $120 is paid at year-end in either outcome. There are no future premiums. Calculate the reserve using a 4% valuation rate. (Answer: $14,904.81)
  3. A hypothetical policy has probabilities 0.01 for death, 0.09 for lapse, and 0.90 for persistence. The respective year-end benefits are $20,000, $8,700, and $9,600. An expense of $90 is paid in every state. Calculate the reserve using a 3% valuation rate, with no future premiums. (Answer: $9,430.10)
  4. For the cash flows in question 3, calculate the reserve using a 5% valuation rate instead. Explain why the account value, if any, is not needed to calculate this reserve. (Answer: $9,250.48)
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