Question

In: Finance

Calculate the minimum premium an insurance company should charge for $1 million 2-year term life insurance...

Calculate the minimum premium an insurance company should charge for $1 million 2-year term life insurance policy issued to a woman age 50. Assume that the premium is paid at the beginning of each year and that the interest rate is zero. Note that: the probability of death within one year at age 50 = 0.003182, and the probability of death within one year at age 51 = 0.003473.

Q: What is the value of X if the interest rate is 3% per annum?

Q: What is the value of X if the interest rate is 4% per annum compounded semiannually and the payout occurs halfway through the year or happens at time 18 months (moving to second year)?

Solutions

Expert Solution

Insured Amount = $1,000,000

Term of contract = 2 years

Probability of death within one year at age 50 = 0.003182

Probability of death within one year at age 51 = 0.003473

Solution

a)If the interest rate is 3% per annum

The expected payout for 1 year term = Probability of death within one year at age 50 * Insured Amount

The expected payout for 1 year term = 0.003182 * $1,000,000

The expected payout for 1 year term = $3,182

Assuming the payout takes place in 6 months,

Present value of expected payout = The expected payout for 1 year term / (1 + interest rate)1

Present value of expected payout = $3,182 / (1 + (3% / 2))1

Present value of expected payout = $3134.98

Probability of death in the 2nd year = (1 - Probability of death within one year at age 50) * Probability of death within one year at age 51

Probability of death in the 2nd year = (1 - 0.003182) *  0.003473

Probability of death in the 2nd year = 0.003462

The expected payout for 2nd year = Probability of death in the 2nd year * Insured Amount

The expected payout for 2nd year = 0.003462 * $1,000,000

The expected payout for 2nd year = $3,462

Assuming the payout takes place in 18 months,

Present value of expected payout  = The expected payout for 1 year term / (1 + interest rate)1

Present value of expected payout = $3,462 / (1 + (3% / 2))3

Present value of expected payout = $3,310.77

The total present value of the payout = Present value of expected payout in year 1 + Present value of expected payout in year 2

The total present value of the payout = $3134.98 + $3,310.77

The total present value of the payout = $6445.75

The first premium payment is received immediately.

However the probability of the second premium payment being made at the beginning of the 2nd year is the probability of not dying the in first year

Probability of not dying the in first year = (1 - Probability of death within one year at age 50)

Probability of not dying the in first year = (1 - 0.003182)

Probability of not dying the in first year = 0.996818

Let X be the breakeven premium

The present value of the premium payments = X + (0.996818X / (1 + (3% / 2))2

The present value of the premium payments = X + 0.967573X

The present value of the premium payments = 1.967573X

The total present value of the payout = The present value of the premium payments

$6445.75 = 1.967573X

X = $3275.99

The breakeven annual premium = $3275.99

b) If the interest rate is 4% per annum

The expected payout for 1 year term = Probability of death within one year at age 50 * Insured Amount

The expected payout for 1 year term = 0.003182 * $1,000,000

The expected payout for 1 year term = $3,182

Assuming the payout takes place in 6 months,

Present value of expected payout = The expected payout for 1 year term / (1 + interest rate)1

Present value of expected payout = $3,182 / (1 + (4% / 2))1

Present value of expected payout = $3119.61

Probability of death in the 2nd year = (1 - Probability of death within one year at age 50) * Probability of death within one year at age 51

Probability of death in the 2nd year = (1 - 0.003182) *  0.003473

Probability of death in the 2nd year = 0.003462

The expected payout for 2nd year = Probability of death in the 2nd year * Insured Amount

The expected payout for 2nd year = 0.003462 * $1,000,000

The expected payout for 2nd year = $3,462

Assuming the payout takes place in 18 months,

Present value of expected payout  = The expected payout for 1 year term / (1 + interest rate)1

Present value of expected payout = $3,462 / (1 + (4% / 2))3

Present value of expected payout = $3,262.32

The total present value of the payout = Present value of expected payout in year 1 + Present value of expected payout in year 2

The total present value of the payout = $3119.61 + $3,262.32

The total present value of the payout = $6,381.93

The first premium payment is received immediately.

However the probability of the second premium payment being made at the beginning of the 2nd year is the probability of not dying the in first year

Probability of not dying the in first year = (1 - Probability of death within one year at age 50)

Probability of not dying the in first year = (1 - 0.003182)

Probability of not dying the in first year = 0.996818

Let X be the breakeven premium

The present value of the premium payments = X + (0.996818X / (1 + (4% / 2))2

The present value of the premium payments = X + 0.958110X

The present value of the premium payments = 1.958110X

The total present value of the payout = The present value of the premium payments

$6,381.93 = 1.958110X

X = $3259.23

The breakeven annual premium = $3259.23


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