Policy with Full Coverage |
Policy with $250 deductible |
Implicit cost of coverage for $250 |
||
(1) |
(2) |
(1)-(2) |
||
a |
Expected Claim Costs |
39.75 |
23.5 |
16.25 |
b |
Expected Claim Processing Costs |
32.5 |
5 |
27.5 |
(a)+(b) |
Fair Premium |
72.25 |
28.5 |
43.75 |
Working Note 1(Expected Claim Cost for Full Coverage)
(a)Loss Distribution (In $) |
(b)Probability |
(c) Expected Claim Costs=(a)*(b) |
5000 |
0.004 |
20 |
1000 |
0.006 |
6 |
250 |
0.055 |
13.75 |
Total |
39.75 |
Working Note 2(Expected Claim Processing cost for full coverage)
Expected claim processing cost=Claim Processing Cost (1-probability for nil loss)
=500*(1-0.935)
= 32.5
Working Note 3(Expected Claim Cost for $250 deductible)
(a)Loss Distribution(In $) |
(b)Deduction |
(c)Net Loss Distribution |
(d)Probability |
(e) Expected Claim Costs=(c)*(d) |
5000 |
250 |
4750 |
0.004 |
19 |
1000 |
250 |
750 |
0.006 |
4.5 |
250 |
250 |
0 |
0.055 |
0 |
Total |
23.5 |
Working Note 4(Expected Claim Processing cost for $250 deductible)
There will not be any claim processing for $250 distribution as it became nil after having deducted $250
=$500*(0.004+0.006)
=5
Conclusion:
Percentage Loading of implicit processing cost on implicit claim cost
=27.5/16.25%
=169.2%
The marginal cost of insuring small losses is extremely high.
assumptions: (1) underwriting costs is 30% of pure premium; (2) interest rate is 5%; (3) fair...
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