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Search: Posts Made By: Colymbosathon ecplecticos
Forum: MAS-I Yesterday, 06:38 PM
Replies: 741
Views: 122,522
I don't think that this is true. Off hand, I can...

I don't think that this is true. Off hand, I can think of several FCAS in high-level bank and banking-type jobs, at least here in the US. Of course, YMMV.
Forum: Non-Actuarial Topics 06-16-2019, 04:34 PM
Replies: 52
Views: 1,535
Did you know who the mark was after 15 minutes? ...

Did you know who the mark was after 15 minutes? No? Well, now you do.
Forum: Non-Actuarial Personal Finance/Investing 06-14-2019, 09:29 AM
Replies: 44
Views: 1,692
Good move. Be careful though, my recollection is...

Good move. Be careful though, my recollection is that there is a cliff, so don't get too close to the boundary.
Forum: Course 1 - Risk Management & Insurance Operation 06-12-2019, 12:17 PM
Replies: 96
Views: 10,720
Given that there is a loss, what is the largest...

Given that there is a loss, what is the largest that it is likely to be? PML is conditional on there being a loss.
Forum: MAS-I 06-11-2019, 01:22 PM
Replies: 37
Views: 5,511
Sure, you start with 1000 exponential RVs with...

Sure, you start with 1000 exponential RVs with mean 1 and 1000 exponential RVs with mean 9. The average time to failure is 5.

After a while, say 2 time periods, most of the mean 1 guys are gone,...
Forum: MAS-I 06-10-2019, 10:33 PM
Replies: 37
Views: 5,511
Think about the probability distribution of...

Think about the probability distribution of surviving from age 0 to age x.

If the hazard rate is constant, then the distribution is memoryless and is an exponential distribution. This is often...
Forum: Property - Casualty / General Insurance 06-10-2019, 03:31 PM
Replies: 7
Views: 439
Epsilon

Epsilon
Forum: Exam 9 (old Part 8) - Financial Risk & Rate of Return 05-07-2019, 11:11 PM
Replies: 3,583
Views: 187,755
Sure. This is a regulatory/solvency question. ...

Sure. This is a regulatory/solvency question. Today you are solvent; the regulator will come back in one year, you want to be solvent then. The best strategy is to immunize your surplus at a...
Forum: Long-Term Actuarial Math 04-24-2019, 09:34 PM
Replies: 3
Views: 414
Do you have an example of such a problem? ...

Do you have an example of such a problem?

Also, the problem could only arise in years with an even number of days.

Seriously, focus on non-trivial issues.
Forum: Financial Mathematics 04-22-2019, 08:07 PM
Replies: 5
Views: 872
I don't often help with what looks like homework,...

I don't often help with what looks like homework, but here goes ...



What does that mean? There are lots and lots of possibilities for the cash flows.



What does that mean? Combined...
Forum: General Actuarial 04-14-2019, 10:32 AM
Replies: 16
Views: 1,837
I'm no luddite, but there is a danger that it...

I'm no luddite, but there is a danger that it will pick up signals from the training data which are artifacts of said data.

Having trained a neural net, I can show you that it has lift, but I...
Forum: Short-Term Actuarial Math 04-09-2019, 08:32 PM
Replies: 5
Views: 525
This is a bizarre interpretation. Your quoted...

This is a bizarre interpretation. Your quoted sentence is unambiguous, "premiums payable at the beginning of the year" means payable 1/1/XX. f you wanted them payable at the beginning of the...
Forum: Short-Term Actuarial Math 04-08-2019, 05:21 PM
Replies: 5
Views: 525
Wow! Can you please provide me with a cohort of...

Wow! Can you please provide me with a cohort of potential insureds who will pay for one-year policies on the first of the year, which take effect uniformly over the course of the year?


I'm...
Forum: Short-Term Actuarial Math 04-07-2019, 07:22 PM
Replies: 5
Views: 525
It appears that you have a better grasp of the...

It appears that you have a better grasp of the material than the problem's author.


Assuming 12-month policies and uniform writing throughout the year (and pro-rata earning of premium), 1/2 will...
Forum: Make a Suggestion or Report a Problem Here 04-07-2019, 03:45 PM
Replies: 23
Views: 1,483
So let me see if I get this; if I call someone a...

So let me see if I get this; if I call someone a moron I'll get in trouble, but I'll get in even more trouble if I go all Ray Tillerson on them.
Forum: Make a Suggestion or Report a Problem Here 04-07-2019, 03:32 PM
Replies: 23
Views: 1,483
Although more common names, such as Lipschitz,...

Although more common names, such as Lipschitz, have no such problem.
Forum: Long-Term Actuarial Math 04-06-2019, 05:27 PM
Replies: 510
Views: 86,431
You're halfway there. Why do you think that...

You're halfway there. Why do you think that their solution is wrong?
Forum: Long-Term Actuarial Math 04-06-2019, 04:23 PM
Replies: 510
Views: 86,431
Since you posted neither their solution nor...

Since you posted neither their solution nor yours, of course we will think that it is a typo/miscalculation on their part.
Forum: Non-Actuarial Topics 04-06-2019, 09:45 AM
Replies: 77
Views: 2,169
Do they track the cost of tracking those costs? ...

Do they track the cost of tracking those costs? I ask, because I can see some potential for additional cost savings here.
Forum: Non-Actuarial Topics 04-03-2019, 04:01 PM
Replies: 6
Views: 236
Try this...

Try this (https://www.nytimes.com/puzzles/set?action=click&module=Play&pgtype=Homepage).
Forum: Non-Actuarial Topics 04-03-2019, 03:09 PM
Replies: 6
Views: 236
New game in the NYT

The NYT is currently showcasing a new game. You are given twelve points in {-1, 0, 1}^4 embedded in R^4, and you need to find six lines each of which contains three of the points.

It's pretty fun.
Forum: Non-Actuarial Topics 03-29-2019, 07:20 AM
Replies: 626
Views: 42,756
Look at the prime factors.

Look at the prime factors.
Forum: Exam 9 (old Part 8) - Financial Risk & Rate of Return 03-18-2019, 05:34 PM
Replies: 3,583
Views: 187,755
IFYP I find it helpful to think in terms of...

IFYP

I find it helpful to think in terms of a Monte Carlo simulation. 2000 risks, 5% default probability on each risk --- 10000 iterations: 500 "threads" default for each risk.

Correlation...
Forum: Exam 9 (old Part 8) - Financial Risk & Rate of Return 03-18-2019, 10:52 AM
Replies: 3,583
Views: 187,755
It won't always happen this way, but it can if...

It won't always happen this way, but it can if the junior tranche is risky enough.

Think of it this way: if the junior tranche gets hit most of the time in the uncorrelated case, the only way to...
Forum: General Actuarial 03-18-2019, 09:55 AM
Replies: 17
Views: 2,032
Not if he did it correctly. He only had 7,829...

Not if he did it correctly. He only had 7,829 exposures.

Suppose that you had 10,000 subjects at the start of the study. During the study (say, 1 year) 4,000 of them have claims. Of course,...
Showing results 1 to 25 of 300

 

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