Search found 1544 matches

by linuxizer
Mon May 09, 2016 12:39 pm
Forum: Personal Finance (Not Investing)
Topic: Car purchasing tax reciprocity with Massachusetts
Replies: 28
Views: 3427

Re: Car purchasing tax reciprocity with Massachusetts

Thanks for the advice everyone. It's easier just to close here but maybe I'll expand my e-mail bargaining circle to include MA as well and see who comes up with the better price.
by linuxizer
Sat May 07, 2016 6:14 am
Forum: Personal Finance (Not Investing)
Topic: Car purchasing tax reciprocity with Massachusetts
Replies: 28
Views: 3427

Re: Car purchasing tax reciprocity with Massachusetts

Thanks for the suggestion. That's the website I've been working off of, but haven't found a list of which states give reciprocity. Even reciprocity would just mean no additional MA tax, but still an extra 1.7%p from Philly tax being higher. We can rent a car instead, then buy in MA, but we have more...
by linuxizer
Fri May 06, 2016 3:17 pm
Forum: Personal Finance (Not Investing)
Topic: Car purchasing tax reciprocity with Massachusetts
Replies: 28
Views: 3427

Car purchasing tax reciprocity with Massachusetts

We're residents of Philadelphia for another 2 weeks, purchasing a new car and driving it up to Massachusetts where we will reside in the future (already have an address there). Trying to figure out the taxes on this. - We could buy the car in Delaware, NJ, or PA pretty easily. - Massachusetts has 6....
by linuxizer
Thu Dec 03, 2015 6:38 am
Forum: Investing - Theory, News & General
Topic: Statistics "R" [Programming language for portfolio analysis]
Replies: 25
Views: 2953

Re: Statistics "R"

Thank you... It is nice to meet you both. The readings look great and are away to meet both of you. I will start small. Still working on the install of R. A little bit about myself. I graduated with an ms in accounting in August, and I work in personal finance. I noticed much of the philo in bogleh...
by linuxizer
Wed Dec 02, 2015 11:09 pm
Forum: Investing - Theory, News & General
Topic: Statistics "R" [Programming language for portfolio analysis]
Replies: 25
Views: 2953

Re: Statistics "R"

^^^ I should mention that Linuxizer is the author of the "Bond market simulation" mentioned in the wiki: Using open source software for portfolio analysis Excel is good. And I should mention that LadyGeek is awesome in general, and a professional programmer in particular, unlike amateur h...
by linuxizer
Wed Dec 02, 2015 10:44 pm
Forum: Investing - Theory, News & General
Topic: Statistics "R" [Programming language for portfolio analysis]
Replies: 25
Views: 2953

Re: Statistics "R"

Welcome to Bogleheads and to R. The R for Dummies book is written by a friend of mine and quite good. The Art of R Programming is written by a stranger but also quite good. There's an enormous and active R community on StackOverflow. Do try to search there first, as whatever your question is has alm...
by linuxizer
Wed Sep 02, 2015 8:05 pm
Forum: Investing - Theory, News & General
Topic: Bond fund versus individual bonds, definitive answer
Replies: 149
Views: 36187

Re: Bond fund versus individual bonds, definitive answer

bh7 - Have you been meaning zero-coupon bonds all this time? Usually unless one specifies zeroes then it means regular bonds, i.e. with coupons.
by linuxizer
Wed Sep 02, 2015 10:53 am
Forum: Investing - Theory, News & General
Topic: Bond fund versus individual bonds, definitive answer
Replies: 149
Views: 36187

Re: Bond fund versus individual bonds, definitive answer

#Cruncher - Indeed I was in a rush and did not look at the specific example they were offering, but was trying to make cetiris as paribus as possible. Thanks for working through the specific example.
by linuxizer
Wed Sep 02, 2015 6:21 am
Forum: Investing - Theory, News & General
Topic: Bond fund versus individual bonds, definitive answer
Replies: 149
Views: 36187

Re: Bond fund versus individual bonds, definitive answer

There may be arbitrage opportunities vs. CDs. CDs are basically unavailable to institutional investors, so there can be some good deals. Look up "bullet vs. barbell." The average return of a long/short ("barbell") portfolio will indeed be lower under the conditions you describe. ...
by linuxizer
Tue Sep 01, 2015 9:35 pm
Forum: Investing - Theory, News & General
Topic: Bond fund versus individual bonds, definitive answer
Replies: 149
Views: 36187

Re: Bond fund versus individual bonds, definitive answer

Yes, I understand this point. I can accept the loss of liquidity and the "cost" of managing my own bond ladder. Actually, I am itching to buy individual bonds, so I call this a feature, not a bug. "Itching" to invest or enjoying the thrill of something is a cardinal sign that yo...
by linuxizer
Tue Sep 01, 2015 6:08 pm
Forum: Investing - Theory, News & General
Topic: Bond fund versus individual bonds, definitive answer
Replies: 149
Views: 36187

Re: Bond fund versus individual bonds, definitive answer

It's great to hear that. This enterprise to understand bond funds was really a wonderful display of the power of collaboration with a great group of people.
by linuxizer
Tue Sep 01, 2015 5:08 pm
Forum: Investing - Theory, News & General
Topic: Bond fund versus individual bonds, definitive answer
Replies: 149
Views: 36187

Re: Bond fund versus individual bonds, definitive answer

Classic threads never die, I guess! You are correct that you can avoid a management fee and have lower turnover with a rolling ladder. But you can't do so with any sort of liquidity. Your rolling ladder example proves the point when you think about the mechanics of it. Say you have a ladder of 10 ye...
by linuxizer
Tue Jul 21, 2015 6:13 pm
Forum: Personal Consumer Issues
Topic: lock for $500 bike
Replies: 27
Views: 3479

Re: lock for $500 bike

Bought a Kryptonite New Yorker U-lock in 1999. Still using it. Have used it in New York, Boston, and Philadelphia. My car has been broken into but never my bike. Also second replacing the quick releases with bolts. Have never had any problems, although if I parked regularly in Manhattan something li...
by linuxizer
Tue Jun 30, 2015 2:25 pm
Forum: Personal Finance (Not Investing)
Topic: Buying disability insurance--how do you actually do it?
Replies: 3
Views: 614

Buying disability insurance--how do you actually do it?

I'm a medical student looking to buy LT DI. Pretty sure I want to buy it from Guardian, but open to other alternatives. Guardian won't sell to me directly--their website just lists a bunch of insurance salespersons within a 50 mile radius. Is there a RedFin equivalent for LT DI? If not, and there's ...
by linuxizer
Sun Jun 07, 2015 6:49 am
Forum: Personal Finance (Not Investing)
Topic: EM Resident Long Term Disability, lost in the weeds
Replies: 7
Views: 1309

Re: EM Resident Long Term Disability, lost in the weeds

I'm no DI expert, but WCI is pretty clear that there are specific advantages to a non-group policy, most notably after-tax vs. pre-tax premiums and therefore benefits, and renewability issues.
by linuxizer
Wed Sep 17, 2014 4:32 am
Forum: Investing - Theory, News & General
Topic: Bond Fund Duration ?
Replies: 13
Views: 1201

Re: Bond Fund Duration ?

The answer is yes. Portfolio duration is a (dollar-weighted) linear combination of the fund durations (which are themselves a linear combination of constituent bond durations). If you want the duration to be 10 in year 1, 9 in year 2, 8 in year 3, etc. all you have to do is rebalance your bond funds...
by linuxizer
Tue Sep 16, 2014 4:40 pm
Forum: Investing - Theory, News & General
Topic: Bond Fund Duration ?
Replies: 13
Views: 1201

Re: Bond Fund Duration ?

baw - The duration of a bond fund depends on cash flows, and is completely indifferent to whether those cash flows come as return of principal or interest payments. Consider Fund A: - Bond 1: $1mm 1% interest paid every 6 mo (Jan 1 and July 1), matures Jan 1, 2016 Vs. Fund B: - Bond 1: Zero-coupon b...
by linuxizer
Sun Sep 14, 2014 5:52 am
Forum: Investing - Theory, News & General
Topic: An Interesting Correlation
Replies: 22
Views: 3210

Re: An Interesting Correlation

Of course with 25 year duration and 3.3% yield, you could take a serious haircut even if bonds only rise a little, particularly if they drift slowly upwards. If they're 7% of your portfolio and stocks are rising at the same time, though, might be worth the insurance for the right type of portfolio, ...
by linuxizer
Sun Sep 14, 2014 5:49 am
Forum: Investing - Theory, News & General
Topic: An Interesting Correlation
Replies: 22
Views: 3210

Re: An Interesting Correlation

Swensen points this out in his first book. For institutions, he argues for 7% bonds IIRC, all LT Treasuries, so that in a deflationary stock crash you will have more to rebalance with.
by linuxizer
Mon Sep 08, 2014 2:20 pm
Forum: Investing - Help with Personal Investments
Topic: Bond Funds
Replies: 5
Views: 800

Re: Bond Funds

Yield, Duration, Credit Quality, Category (Treasury, Municipal, Corporate, Foreign, etc.). The Bogleheads Wiki has a decent explanation of most of those.

There's a template for asking portfolio questions that you should follow. It's a lot of work but you'll get better answers.
by linuxizer
Mon Sep 08, 2014 10:15 am
Forum: Investing - Theory, News & General
Topic: MD/MBA Investing Opportunities
Replies: 23
Views: 3151

Re: MD/MBA Investing Opportunities

There's a recent article on MD/MBA career outcomes you may be interested in:

http://www.uphs.upenn.edu/news/News_Rel ... 4/06/asch/
by linuxizer
Sat Sep 06, 2014 6:22 am
Forum: Personal Consumer Issues
Topic: Prime plus paint products
Replies: 4
Views: 625

Re: Prime plus paint products

Have been consistently impressed with the Ben. Moore primer plus product. Another relative who has painted a lot more than I finds it too think and more work than putting on two coats of regular paint. So opinions vary :-).
by linuxizer
Thu Sep 04, 2014 9:28 am
Forum: Investing - Theory, News & General
Topic: Inverse Convexity of TBM
Replies: 13
Views: 861

Re: Inverse Convexity of TBM

VT's explanation is great. It also moves us down to the next moment: skew (i.e. convexity can have different effects depending on the direction of the interest rate change).
by linuxizer
Thu Sep 04, 2014 9:15 am
Forum: Personal Consumer Issues
Topic: Hidden car key a thing of the past?
Replies: 26
Views: 4426

Re: Hidden car key a thing of the past?

I dropped a key once while diving. Had to borrow a friends car and drive 3 hours round trip to pick up a spare.

The 1994 Grand Marquis I learned to drive on had a keypad on the side. Best invention ever. Always wondered why they're not more common--patents?
by linuxizer
Thu Sep 04, 2014 9:13 am
Forum: Investing - Theory, News & General
Topic: Inverse Convexity of TBM
Replies: 13
Views: 861

Re: Inverse Convexity of TBM

Check out the Bogleheads wiki: m I wrote Vanguard to ask them for their convexity numbers a while back, but no dice. Funds should really publish them, as building a lower (including negative) convexity portfolio is a way to juice returns. I suspect Vanguard doesn't engage in much of that type of chi...
by linuxizer
Wed Sep 03, 2014 4:53 am
Forum: Personal Consumer Issues
Topic: Philly Hotels, with the family
Replies: 15
Views: 1506

Re: Philly Hotels, with the family

West Philly has changed in the areas around Penn/Drexel and the "don't go past 40th st" rule is a bit dated. That said, I wouldn't stay at some of the W Philly hotels because they're too far. There are two B&B's in Powelton Village, however, that are lovely and in lovely areas (the ori...
by linuxizer
Wed Aug 27, 2014 4:31 am
Forum: Investing - Theory, News & General
Topic: Marston:
Replies: 0
Views: 309

Marston:

http://knowledge.wharton.upenn.edu/arti ... g-marston/

Due diligence: searched bogleheads for "marston" and for "wharton retirement" and didn't see anything on this article or book.

Not sure I see much that Bogleheads don't already endorse, but more press for the general idea of "save enough."
by linuxizer
Fri Aug 15, 2014 8:44 am
Forum: Personal Consumer Issues
Topic: Any Opinions on Mirrorless Cameras?
Replies: 40
Views: 3315

Re: Any Opinions on Mirrorless Cameras?

I'm hesitant to get involved with yet another soon-to-be-dead-end lens system. 4/3 has been around since the early aughts, and Olympus went to pretty impresive lengths to make their 4/3 lenses work well on their newest m4/3 camera. Going to stop now before I start sounding like a fanboi. I do disag...
by linuxizer
Thu Aug 14, 2014 1:02 pm
Forum: Personal Consumer Issues
Topic: Any Opinions on Mirrorless Cameras?
Replies: 40
Views: 3315

Re: Any Opinions on Mirrorless Cameras?

I guess you may have missed my post where I ordered a Fuji system. I do appreciate your opinion on Fuji. I don't see where any new Panasonic G3 sells for $140 with a lens, obviously you are talking used. This camera is being purchased primarily for my wife. We found a good price on Amazon, $499 for...
by linuxizer
Thu Aug 14, 2014 11:35 am
Forum: Personal Consumer Issues
Topic: Any Opinions on Mirrorless Cameras?
Replies: 40
Views: 3315

Re: Any Opinions on Mirrorless Cameras?

Another only skimmed before replying, but I would not consider any mirrorless by Canon or Nikon. They've both deliberately held back features in order to protect their SLR lines. I'd consider the Sony, m4/3, or Fuji systems. And if you're asking here, you don't want the Fuji system (think Leica, not...
by linuxizer
Mon Aug 11, 2014 4:49 am
Forum: Investing - Theory, News & General
Topic: bond duration and interest rate risk
Replies: 33
Views: 4186

Re: bond duration and interest rate risk

grabiner - There's more than just convexity going on there; there's skew as well (third derivative). Second derivative is by definition symmetric.... The effect on price is symmetric. Given two bonds with equal duration and equal value, the bond with negative convexity will be worth less whether ra...
by linuxizer
Sun Aug 10, 2014 11:46 am
Forum: Investing - Theory, News & General
Topic: bond duration and interest rate risk
Replies: 33
Views: 4186

Re: bond duration and interest rate risk

grabiner - There's more than just convexity going on there; there's skew as well (third derivative). Second derivative is by definition symmetric.... To whomever was discussing the wiki earlier, if you look at the "Individual Bonds vs. a Bond Fund" page you will see the discussion you seek...
by linuxizer
Sat Aug 02, 2014 3:13 pm
Forum: Personal Finance (Not Investing)
Topic: Is Medigap insurance really needed?
Replies: 83
Views: 7659

Re: Is Medigap insurance really needed?

If I hold one hand in the over and the other in the freezer, then "on average" I should be feeling pretty comfortable. Insurance companies and government bureaucrats live by averages, but individuals are not statistics and each personal situation is unique. I'll opt to buy the insurance a...
by linuxizer
Sat Aug 02, 2014 2:41 pm
Forum: Personal Finance (Not Investing)
Topic: Is Medigap insurance really needed?
Replies: 83
Views: 7659

Re: Is Medigap insurance really needed?

No, actually, I don't. If you were experiencing debilitating pain that was interfering with your quality of life, I think you would trust any properly credentialed doctor who said he could help, and if you had $30,000 to your name you'd pay the $30,000, and if you didn't, you'd borrow it. And if yo...
by linuxizer
Sat Aug 02, 2014 2:28 pm
Forum: Personal Finance (Not Investing)
Topic: Is Medigap insurance really needed?
Replies: 83
Views: 7659

Re: Is Medigap insurance really needed?

Not seeing the logic here, Insured or not, the dear wife would not have chosen her auto-immune disease with the surgeries and invasive treatments she continues to need and I would have gladly passed up the cancer surgery and the implant of a pacemaker that I "decided" to pursue. All of th...
by linuxizer
Sat Aug 02, 2014 1:41 pm
Forum: Personal Finance (Not Investing)
Topic: Is Medigap insurance really needed?
Replies: 83
Views: 7659

Re: Is Medigap insurance really needed?

Let's say he's right and it's a waste of money. How much money are we talking about wasting? 13% of $200/month = $312/year. nisi, I think this is perhaps the first time I've ever disagreed with you, but the true waste includes not just the 13%/year paid out but the moral hazard-induced welfare loss...
by linuxizer
Sat Aug 02, 2014 1:37 pm
Forum: Investing - Theory, News & General
Topic: Treasury to allow annuities in 401k/IRAs
Replies: 4
Views: 842

Re: Treasury to allow annuities in 401k/IRAs

Clearly I missed the relevant discussions. Thanks sscritic. Shows how much time I've had to spend on Bogleheads recently :-(
by linuxizer
Sat Jul 19, 2014 7:31 am
Forum: Personal Consumer Issues
Topic: Honda Fit, Civic
Replies: 32
Views: 7317

Re: Honda Fit, Civic

gd-

Sounds like you want something like a Subrau Imprezza Wagon or one of the AWD Volvo wagons?
by linuxizer
Mon Jul 14, 2014 3:24 pm
Forum: Investing - Theory, News & General
Topic: How do I model 20 yr Treasury portfolio impact?
Replies: 37
Views: 3441

Re: How do I model 20 yr Treasury portfolio impact?

acegolfer -- Agreed. FWIW, my comment was meant to be explanatory for others, not critical.
by linuxizer
Mon Jul 14, 2014 11:54 am
Forum: Investing - Theory, News & General
Topic: How do I model 20 yr Treasury portfolio impact?
Replies: 37
Views: 3441

Re: How do I model 20 yr Treasury portfolio impact?

The price change of a portfolio is mathematically different from the price change of one bond. Depends what you mean by a portfolio. A portfolio of identical bonds will behave exactly the same as a portfolio of a single bond. If you mean a portfolio of bonds all with different durations (or even th...
by linuxizer
Mon Jul 14, 2014 10:36 am
Forum: Investing - Theory, News & General
Topic: How do I model 20 yr Treasury portfolio impact?
Replies: 37
Views: 3441

Re: How do I model 20 yr Treasury portfolio impact?

You can get exact answers to your questions by using my (free/open-source) bond simulator:
viewtopic.php?f=10&t=79874

I'd provide code but have too many deadlines right now. PM me with questions if you can't figure something out.
by linuxizer
Fri Jul 04, 2014 10:12 am
Forum: Personal Finance (Not Investing)
Topic: Amazon.com Rewards Visa card from Chase
Replies: 35
Views: 111637

Re: Amazon.com Rewards Visa card from Chase

Datageek - How do you use Amazon points for travel? I wasn't aware of this.
by linuxizer
Sat Jun 28, 2014 1:05 am
Forum: Personal Finance (Not Investing)
Topic: Timeline for buying a house + Q about central Jersey
Replies: 28
Views: 3321

Re: Timeline for buying a house + Q about central Jersey

The price of an option could be less than the difference between ST and LT cap gains tax. Check out LEAPS on the relevant index. You could purchase deep out-of-the-money options to protect against market catastrophe.
by linuxizer
Thu Jun 19, 2014 11:02 am
Forum: Personal Consumer Issues
Topic: Metal Bookcases: Recommendations?
Replies: 31
Views: 1965

Re: Metal Bookcases: Recommendations?

You can also prevent even cheap wooden bookshelves from sagging by reinforcing. Doesn't take much--1/2" square "dowel" screwed to the bottom halfway through will increase the load bearing capacity considerably. My preferred system for screwing to walls is to get 1-2" wide nylon s...
by linuxizer
Fri May 30, 2014 2:22 pm
Forum: Forum Issues and Administration
Topic: Who are the Bogleheads.org heavyweights?
Replies: 127
Views: 12842

Re: Who are the BogleHeads.org heavyweights?

I would add a list of Wiki contributors, but it doesn't look like the extension is available: https://www.mediawiki.org/wiki/Extension:Contributors
http://www.bogleheads.org/wiki/Special:Contributors
by linuxizer
Fri May 30, 2014 12:43 pm
Forum: Personal Consumer Issues
Topic: Simple Camera for Travel?
Replies: 40
Views: 3849

Re: Simple Camera for Travel?

Another vote for mirrorless. You can pick up a GF3 with 20mm f/1.7 lens for under $400 total. It's way smaller than anything else with interchangeable lenses. Or get an E-PM2 or GX1 with the same lens for a somewhat better sensor. If you really want to splurge get the GM1. I wouldn't recommend NEX f...
by linuxizer
Fri May 30, 2014 5:44 am
Forum: Investing - Help with Personal Investments
Topic: Bond allocation / Bond fund handwringing
Replies: 23
Views: 3641

Re: Bond allocation / Bond fund handwringing

m And in case you don't believe the writings of a few of us random folks on the internet, here's Vanguard's comparison: m You say you're under-allocated to bonds as an asset class. Where is that money instead--cash or stocks? Both have substantial risks. If cash, compute exactly how much interest ra...