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Search: Posts Made By: Abraham Weishaus
Forum: Exam 4/C - Construction and Evaluation of Actuarial Models Today, 11:59 AM
Replies: 1
Views: 81
Posted By Abraham Weishaus
The manual has a suggestion on page xv.

The manual has a suggestion on page xv.
Forum: Exam 3/MLC - Actuarial Models 08-19-2018, 08:55 AM
Replies: 29
Views: 1,119
Posted By Abraham Weishaus
The ASM formula is correct. The ASM...

The ASM formula is correct.


The ASM manual has errors, so please refer to the errata list if a formula looks wrong.
Forum: MFE 08-17-2018, 04:47 PM
Replies: 38
Views: 5,858
Posted By Abraham Weishaus
I do fix the investment to 30 at the end by...

I do fix the investment to 30 at the end by scaling it down. Doing it your way, you'd end up with 15 equity 15 debt, then lend 7.5, then find that only 22.5 is invested so scale it up by 4/3 to get...
Forum: Exam 4/C - Construction and Evaluation of Actuarial Models 08-17-2018, 04:38 PM
Replies: 55
Views: 8,752
Posted By Abraham Weishaus
How were you able to use those formulas? ...

How were you able to use those formulas? E[X^100000]-E[X^10000] is the expected value of the part of any claim that's between 10000 and 100000. That's not what the question is asking for, nor does...
Forum: Exam 3/MLC - Actuarial Models 08-17-2018, 04:29 PM
Replies: 1
Views: 100
Posted By Abraham Weishaus
It's an error that hasn't been fixed yet. 3/80...

It's an error that hasn't been fixed yet. 3/80 is correct.
Forum: Exam 3/MLC - Actuarial Models 08-17-2018, 04:23 PM
Replies: 2
Views: 95
Posted By Abraham Weishaus
They probably used approximate integration. I...

They probably used approximate integration. I don't think a lognormal has a closed form mgf.
Forum: Exam 4/C - Construction and Evaluation of Actuarial Models 08-15-2018, 08:43 PM
Replies: 55
Views: 8,752
Posted By Abraham Weishaus
The projected total payment is...

The projected total payment is Paid-Through-Current-Year * Link-Ratio, and the reserve is Projected-Total-Payment minus Paid-Through-Current-Year = Paid-Through-Current-Year * Link-Ratio minus...
Forum: Exam 4/C - Construction and Evaluation of Actuarial Models 07-17-2018, 06:57 PM
Replies: 55
Views: 8,752
Posted By Abraham Weishaus
It covers the entire STAM syllabus.

It covers the entire STAM syllabus.
Forum: Exam 3/MLC - Actuarial Models 07-16-2018, 07:18 PM
Replies: 135
Views: 21,911
Posted By Abraham Weishaus
They've updated the tables in the new sample...

They've updated the tables in the new sample questions, so you don't need the old Illustrative Life Tables.



I have no idea why they switched, but possible reasons are:
(1) The mortality in...
Forum: MFE 07-14-2018, 10:46 PM
Replies: 1
Views: 306
Posted By Abraham Weishaus
She has 30 in equity - she owns $30 of the...

She has 30 in equity - she owns $30 of the company. The company is 50% equity 50% debt. So for every $1 of equity, there is $1 of debt.



Suppose the enterprise value of the company is $60...
Forum: MFE 07-12-2018, 07:31 AM
Replies: 1
Views: 394
Posted By Abraham Weishaus
Yes. Thanks for pointing out the error. ...

Yes. Thanks for pointing out the error.
Incidentally, it is exercise 6.8.
Forum: Exam 3/MLC - Actuarial Models 07-10-2018, 09:41 PM
Replies: 135
Views: 21,911
Posted By Abraham Weishaus
They won't be providing the ILT on the exam, but...

They won't be providing the ILT on the exam, but I suppose it's reasonable to assume a student has memorized the table, or knows how to reproduce it using Makeham, despite never having seen it or the...
Forum: MFE 07-10-2018, 09:39 PM
Replies: 6
Views: 331
Posted By Abraham Weishaus
For 6.5, the problem is that the stock only pays...

For 6.5, the problem is that the stock only pays 10%. Just because you want it to pay 12% doesn't mean it will. If you invest 10000+x in the stock and call up the company's president and ask...
Forum: Exam 3/MLC - Actuarial Models 07-10-2018, 09:26 PM
Replies: 135
Views: 21,911
Posted By Abraham Weishaus
Well, for that you can just refer to old C...

Well, for that you can just refer to old C questions.


Instead, they provided LM.4, which would catch former C students who didn't bother to read the new study note and wouldn't know what b_i is....
Forum: Exam 3/MLC - Actuarial Models 07-10-2018, 06:52 PM
Replies: 135
Views: 21,911
Posted By Abraham Weishaus
Thank you Jim. I just took a fast look at...

Thank you Jim.


I just took a fast look at the questions. In WA 21, apparently a new question, I don't know why they're still using the Illustrative Life Table.


I chuckled a bit when I...
Forum: MFE 06-29-2018, 02:31 PM
Replies: 5
Views: 533
Posted By Abraham Weishaus
Isn't that what I said? I said "overall cost of...

Isn't that what I said? I said "overall cost of capital", not "equity cost of capital".
Forum: MFE 06-28-2018, 07:33 PM
Replies: 5
Views: 533
Posted By Abraham Weishaus
We assume that the method of financing should not...

We assume that the method of financing should not affect the overall cost of capital. If it did, that would invalidate CAPM: the beta for a company would depend on how the company finances its...
Forum: Exam 4/C - Construction and Evaluation of Actuarial Models 06-26-2018, 05:12 PM
Replies: 55
Views: 8,752
Posted By Abraham Weishaus
No. Some C moved to LTAM, but no MLC moved to...

No. Some C moved to LTAM, but no MLC moved to STAM.
Forum: Exam 4/C - Construction and Evaluation of Actuarial Models 06-26-2018, 01:16 PM
Replies: 55
Views: 8,752
Posted By Abraham Weishaus
Yep, what I wrote in the old C manual about the...

Yep, what I wrote in the old C manual about the future STAM was based on preliminary information. The ASM STAM manual includes material on graphic methods of evaluating fits.
Forum: MFE 06-26-2018, 11:19 AM
Replies: 116
Views: 30,836
Posted By Abraham Weishaus
The solution in the ASM manual forgot to divide...

The solution in the ASM manual forgot to divide \sum x_iy_i by 5.


It is exam 11 (not 10) question 2. An erratum was already posted.
Forum: Exam 4/C - Construction and Evaluation of Actuarial Models 06-22-2018, 02:19 PM
Replies: 2
Views: 572
Posted By Abraham Weishaus
F(1500) is not the number of points below 1500. ...

F(1500) is not the number of points below 1500.


You must distinguish between a binomial random variable and a binomial proportion random variable.


A binomial random variable ALWAYS assumes...
Forum: CAS Exam S 06-18-2018, 05:23 PM
Replies: 87
Views: 15,394
Posted By Abraham Weishaus
This question was answered at length in another...

This question was answered at length in another thread.
But in brief, to solve a probability question involving a set of events, you want to break the set up into mutually exclusive subevents, so...
Forum: Exam 4/C - Construction and Evaluation of Actuarial Models 05-25-2018, 05:33 PM
Replies: 3
Views: 527
Posted By Abraham Weishaus
You can take derivatives twice and use...

You can take derivatives twice and use L'Hospital. Probably simpler is noticing that the numerator and denominator are both quadratic polynomials, and the x^2 term in each dominates, so the limit is...
Forum: Exam 4/C - Construction and Evaluation of Actuarial Models 05-22-2018, 08:59 PM
Replies: 2
Views: 403
Posted By Abraham Weishaus
Aggregate losses are the total losses after...

Aggregate losses are the total losses after individual deductibles and limits, so they already take the 1000000 per-claim limit into account. Aggregate losses are only modified by aggregate...
Forum: Exam 4/C - Construction and Evaluation of Actuarial Models 05-15-2018, 09:51 PM
Replies: 1
Views: 401
Posted By Abraham Weishaus
The last column is not average losses on policies...

The last column is not average losses on policies whose limit is as indicated in the first column. It is average size of loss for losses that are between the number in the first column of the...
Showing results 1 to 25 of 300

 

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