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PROCEEDINGS May 15, 16, 17, 18, 2005 - Casualty Actuarial Society

PROCEEDINGS May 15, 16, 17, 18, 2005 - Casualty Actuarial Society

PROCEEDINGS May 15, 16, 17, 18, 2005 - Casualty Actuarial Society

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WHY LARGER RISKS HAVE SMALLER INSURANCE CHARGES 147EXHIBIT 4Sheet 2Negative Binomial Insurance ChargesFixed q =0:750MeanEntryRatio 0.500 1.000 1.500 2.000 2.500 3.0000.000 1.000 1.000 1.000 1.000 1.000 1.0000.100 0.979 0.963 0.950 0.940 0.931 0.9250.200 0.959 0.926 0.900 0.879 0.863 0.8500.300 0.938 0.889 0.850 0.819 0.794 0.7750.400 0.9<strong>17</strong> 0.852 0.800 0.759 0.726 0.7130.500 0.897 0.8<strong>15</strong> 0.750 0.698 0.677 0.6560.600 0.876 0.778 0.700 0.658 0.628 0.6000.700 0.856 0.741 0.656 0.6<strong>17</strong> 0.580 0.5480.800 0.835 0.704 0.625 0.577 0.531 0.5060.900 0.814 0.667 0.594 0.537 0.495 0.4641.000 0.794 0.630 0.562 0.496 0.460 0.4221.100 0.773 0.609 0.531 0.468 0.425 0.3901.200 0.752 0.587 0.500 0.440 0.390 0.3591.300 0.732 0.566 0.469 0.412 0.364 0.3271.400 0.711 0.545 0.445 0.384 0.338 0.3011.500 0.691 0.524 0.424 0.356 0.313 0.2771.600 0.670 0.502 0.403 0.336 0.287 0.2531.700 0.649 0.481 0.382 0.3<strong>16</strong> 0.268 0.2311.800 0.629 0.460 0.362 0.296 0.249 0.2141.900 0.608 0.439 0.341 0.276 0.230 0.1962.000 0.587 0.4<strong>17</strong> 0.320 0.257 0.212 0.<strong>17</strong>82.100 0.577 0.404 0.306 0.243 0.198 0.<strong>16</strong>52.200 0.566 0.391 0.292 0.228 0.<strong>18</strong>4 0.<strong>15</strong>12.300 0.555 0.377 0.278 0.214 0.<strong>17</strong>0 0.1382.400 0.545 0.364 0.264 0.200 0.<strong>15</strong>6 0.1272.500 0.534 0.351 0.250 0.<strong>18</strong>6 0.146 0.1<strong>17</strong>2.600 0.523 0.337 0.236 0.<strong>17</strong>6 0.136 0.1072.700 0.512 0.324 0.223 0.<strong>16</strong>6 0.126 0.0982.800 0.502 0.310 0.213 0.<strong>15</strong>6 0.1<strong>16</strong> 0.0902.900 0.491 0.297 0.203 0.146 0.108 0.0833.000 0.480 0.284 0.194 0.135 0.101 0.075

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