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Search: Posts Made By: examsarehard
Forum: Careers - Employment Yesterday, 09:18 AM
Replies: 24
Views: 778
Posted By examsarehard
On the P&C side, when I worked in the capital...

On the P&C side, when I worked in the capital modeling group, we were regularly consulted about reinsurance structure, figuring out which market quotes were favorable.

Never involved in the actual...
Forum: Property - Casualty / General Insurance 09-18-2018, 01:58 PM
Replies: 2
Views: 210
Posted By examsarehard
The homeowner's insurance companies would...

The homeowner's insurance companies would indemnify their policyholders while they figure out who is ultimately responsible. If the gas company is found liable, their liability insurer + reinsurer...
Forum: Property - Casualty / General Insurance 09-18-2018, 01:46 PM
Replies: 16
Views: 1,547
Posted By examsarehard
Meals are included in the registration fee. Those...

Meals are included in the registration fee. Those are individual tickets for any guests you bring.
Forum: Exam 8 (old Part 9) - Advanced Ratemaking 09-14-2018, 07:54 PM
Replies: 914
Views: 66,951
Posted By examsarehard
The umbrella picks up the excess losses but it...

The umbrella picks up the excess losses but it isn’t dropping down. “Drop down” refers to when the primary policy is completely exhausted and you pretend it doesn’t exist any longer.



Think...
Forum: Exam 8 (old Part 9) - Advanced Ratemaking 09-14-2018, 01:15 PM
Replies: 914
Views: 66,951
Posted By examsarehard
The carryforward can be "one-sided" meaning only...

The carryforward can be "one-sided" meaning only bad results carry forward or "two-sided" where both good and bad can be carried forward. This is contract dependent, but Clark implies that the...
Forum: Exam 8 (old Part 9) - Advanced Ratemaking 09-14-2018, 12:34 PM
Replies: 914
Views: 66,951
Posted By examsarehard
These terms are defined in the source, but maybe...

These terms are defined in the source, but maybe some clarification helps:

Drop down: If a policy underlying an umbrella has a limit of $1M per occ but $3M in aggregate, then the policy can...
Forum: Software & Technology 08-25-2018, 01:12 PM
Replies: 12
Views: 873
Posted By examsarehard
Monitors can also have issues with input lag, so...

Monitors can also have issues with input lag, so it's not a wrong thing to ask about. Input lag is a notorious problem for games with frame sensitive inputs like fighting games and Rockband type...
Forum: Property - Casualty / General Insurance 08-13-2018, 08:48 AM
Replies: 10
Views: 850
Posted By examsarehard
The intuition is that your exposure base doesn't...

The intuition is that your exposure base doesn't scale correctly across the size of accounts and the losses you would see in the data. I suspect the power transform was used because it is easy to...
Forum: Property - Casualty / General Insurance 08-12-2018, 02:33 PM
Replies: 10
Views: 850
Posted By examsarehard
Assuming you have sufficient data, the estimation...

Assuming you have sufficient data, the estimation methods are covered under Exam C. In practice you would use something like the fitdistrplus package in R or some other software to do this.

What...
Forum: Property - Casualty / General Insurance 08-10-2018, 05:55 PM
Replies: 10
Views: 850
Posted By examsarehard
That looks like a power transform. The expected...

That looks like a power transform. The expected value of a lognormal distribution is:
E(x)=e^{\mu+\frac{\sigma^2}{2}}

So if you do the substitution, you get something of the form:

E(x) =...
Forum: Exam 8 (old Part 9) - Advanced Ratemaking 08-07-2018, 04:48 PM
Replies: 914
Views: 66,951
Posted By examsarehard
I don't think the Bailey & Simon paper is...

I don't think the Bailey & Simon paper is particularly well written, but the way it's been tested historically gets away from what I believe are its important points, IMO.

If your rating manual...
Forum: Property - Casualty / General Insurance 07-26-2018, 05:18 PM
Replies: 5
Views: 1,111
Posted By examsarehard
If your data has varying deductible/limits, you...

If your data has varying deductible/limits, you can use the BRMS package in R, which ultimately requires Rtools to be installed.

If you have groundup loss data, or just a single deductible that...
Forum: Exam 8 (old Part 9) - Advanced Ratemaking 07-12-2018, 02:15 PM
Replies: 62
Views: 5,411
Posted By examsarehard
There was a thread like this a few years ago and...

There was a thread like this a few years ago and 8 was considered the easiest fellowship exam by far. One or two sittings after that thread was posted, the difficulty of 8 skyrocketed. Could be a...
Forum: Property - Casualty / General Insurance 06-25-2018, 12:23 PM
Replies: 5
Views: 997
Posted By examsarehard
You're right that without more information I...

You're right that without more information I can't say how I would approach the situation.

If the OP is performing primary ratemaking with consistent limit profiles and a lot of data, then using...
Forum: Property - Casualty / General Insurance 06-22-2018, 04:01 PM
Replies: 5
Views: 997
Posted By examsarehard
If your losses are capped at policy limits, but...

If your losses are capped at policy limits, but fully developed, then I would just fit a distribution to the losses with censoring in mind. The distribution would then give you an excess load...
Forum: Property - Casualty / General Insurance 06-11-2018, 09:23 AM
Replies: 2,075
Views: 272,701
Posted By examsarehard
Thanks. That information wasn't in the...

Thanks. That information wasn't in the preliminary report, but it was easy to dig around for other information related to the crash. It seems that the sensors installed on the Tesla are incapable of...
Forum: Property - Casualty / General Insurance 06-08-2018, 10:10 AM
Replies: 2,075
Views: 272,701
Posted By examsarehard
The NTSB release a preliminary report on the...

The NTSB release a preliminary report on the Tesla crash in California:

https://www.ntsb.gov/investigations/AccidentReports/Reports/HWY18FH011-preliminary.pdf



The driver wasn't paying...
Forum: Software & Technology 05-31-2018, 02:54 PM
Replies: 4
Views: 469
Posted By examsarehard
Yes, the !!a is exactly the same concept as the...

Yes, the !!a is exactly the same concept as the &a in SAS. Essentially dplyr uses custom evaluation rules to make it easier to use, and the enquo() and !! gets around those custom rules. enquo()...
Forum: Software & Technology 05-31-2018, 12:58 PM
Replies: 4
Views: 469
Posted By examsarehard
If you have a recent version of dplyr, you can...

If you have a recent version of dplyr, you can use !! to refer to function variables. This should work:


myavg<-function(a,b){
a<-enquo(a)
b<-enquo(b)
survey %>%
group_by(!!a) %>% ...
Forum: Property - Casualty / General Insurance 05-31-2018, 12:06 PM
Replies: 2,075
Views: 272,701
Posted By examsarehard
Uber is trying to court Waymo to use their...

Uber is trying to court Waymo to use their self-driving tech:

https://www.recode.net/2018/5/31/17390030/uber-ceo-dara-khosrowshahi-code-conference-interview



There's no indication so far...
Forum: Property - Casualty / General Insurance 05-24-2018, 03:31 PM
Replies: 2,075
Views: 272,701
Posted By examsarehard
The NTSB released a preliminary report on the...

The NTSB released a preliminary report on the Uber Arizona crash:

https://www.ntsb.gov/investigations/AccidentReports/Reports/HWY18MH010-prelim.pdf
Forum: Exam 7 (new) - Estimation of Policy Liability & ERM 04-13-2018, 06:59 PM
Replies: 3,627
Views: 212,385
Posted By examsarehard
England and Verrall isn't about copulas. A lot of...

England and Verrall isn't about copulas. A lot of the copula description functions are from an older Venter paper:

http://www.casact.org/pubs/proceed/proceed02/02068.pdf

Venter also wrote a lot...
Forum: General Actuarial 04-12-2018, 09:45 PM
Replies: 13
Views: 1,727
Posted By examsarehard
You received a different error this time. Like I...

You received a different error this time. Like I said earlier, ChainLadder has problems with missing/blank/zero values in the triangle, so you need to fill in non-zero values in the January and...
Forum: Exam 7 (new) - Estimation of Policy Liability & ERM 04-12-2018, 10:44 AM
Replies: 19
Views: 885
Posted By examsarehard
This question comes up every year. I would be...

This question comes up every year. I would be surprised if it wasn't successfully appealed.

http://www.actuarialoutpost.com/actuarial_discussion_forum/showthread.php?t=308089...
Forum: General Actuarial 04-12-2018, 10:33 AM
Replies: 13
Views: 1,727
Posted By examsarehard
The ChainLadder package expects a square...

The ChainLadder package expects a square triangle. It also has issues with missing data points/diagonals. In your case, you can either cut off the extra development ages (columns) or fill in the...
Showing results 1 to 25 of 300

 

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