Voluntary Price Discrimination of Batteries

Posted in Economics, Observation on July 22nd, 2010 by P. Econmancer

Time for another “voluntary price discrimination” post. I feel like I should be posting on really hard hitting economic topics, but I keep running into these crazy pricing situations and I can’t help but share them.

Target sells single packs of  the “2032″ size Energizer brand button batteries for $4.99 on the battery aisle. They sell double packs  of the same Energizer batteries at the camera kiosk for $5.99.

How many people must run to the battery aisle and grab a couple of the single packs with no suspicion that a cheaper alternative is two aisles away? If I had to guess (just my speculation), the $5.99 two packs are at the camera kiosk to reward people that could be spending a lot of money on new electronic devices and the more expensive single packs are for the people just buying replacement batteries on a device they already own.

It almost worked, they almost got me. I was about to voluntary give Target an extra $4. I first went to the battery aisle and grabbed two single battery packages (~$10). Something told me to look closer. I made my way past the cameras and there it was, two for ~$6. I needed to buy two of these batteries for a little digital scale anyway, so the choice was easy.

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The Movie “Home Alone” and Pizza Prices, 20 Years Later

Posted in Economics, Informational, Observation on June 23rd, 2010 by P. Econmancer

I watched Home Alone this past week and noticed something that I think is interesting. Pizza prices have gone down over the past 20 years.

In the movie the family has ten pizzas delivered and the total is $122.50. It’s noted that it breaks down to “ten pizzas times twelve bucks” in the dialog. Later in the movie we are told the cost of a pizza again. Kevin orders “a whole cheese pizza” just for himself and the delivery guys says it costs $11.80.

Today I can buy large pizzas and have them delivered for $10 each, plus a $2 delivery charge. When you look at the prices with the CPI Inflation Calculator you can see that $11.80 in 1990 (the year Home Alone came out) has the same buying power as $19.70 today (2010).

-P. Econmancer

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Paying Almost Double for Pre-Sharpened Pencils

Posted in Economics, Observation on May 26th, 2010 by P. Econmancer

A 12 pack of unsharpened Ticonderoga pencils in a cardboard box – $2.14 ($.18 per pencil)

An 18 pack of pre-sharpened Ticonderoga pencils in a plastic package- $5.99 ($.33 per pencil)

You are spending $.15 -per pencil- to have someone sharpen it for you. The 18 pack should cost closer to $3.24. That’s a $2.75 premium for pre-sharpening.

I moved the two boxes next to each other to take this photo. They are actually placed on different levels of the aisle so a side-by-side comparison can’t be made immediately. It took me some time to believe that these could be the same pencils, but the exact same words appear on both packages (just in different locations).

-P. Econmancer

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Ford Motorcraft Shrinks Oil Filter Size

Posted in Uncategorized on May 19th, 2010 by P. Econmancer

This is really disappointing. I just got done changing my oil and I’ve had an unpleasant surprise. At some point between oil changes the FL400-S oil filter by Motorcraft has been reduced in size. I’d say there is about 3/4 of an inch less filter material than previously. That’s a big reduction in surface area inside the filter.

My car is turbocharged and these engines have a tendency to get oil sludge. I want as much protection as I can get so I use the FL400-S size filter. I’ve sent my concerns to Ford and will update with any information they care to provide about this.


I’m assuming it was done to keep the price from going up, but I personally don’t buy Motorcraft brand filters to save money and I’d bet there many who are with me on this. It’s one of those things I’d rather pay more for and get the best I can instead of having the potential for increased engine wear so I can save a few cents.

So for anyone who has been using the Motorcraft FL400-S filter on their car, take a ruler along with you next time you’re in the oil aisle and be sure you’re getting the most filter for your car by checking out the other brands available. I’ll size these up as I have time and post my results.

Alternatives filter brands to check out-
Fram (xx)3600
STP S3600
Bosch 3422
Mobile M1-209
K&N HP 2009

-P. Econmancer

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Organic Beef Jerky

Posted in Economics, Observation on May 17th, 2010 by P. Econmancer

Organic beef jerky. Maybe I just don’t appreciate this niche market, but is there really that much demand from beef jerky consumers for an organic alternative to beef jerky?

You could argue that it’s gluten-free, but so are an number of the (Cheaper!) Oberto brand beef jerky flavors. I guess it’s for if you are really worried about the hormones and antibiotics they typically put in cows? I’d think if you’re the kind of person who worries about that, you’d probably also have issues with some of the features of beef jerky this organic alternative doesn’t address- the sodium level is an example that come to mind. Personally, I love beef jerky but I’ll stick to the non-organic brands.

-P. Econmancer

From Amazon:

Golden Valley Natural Organic Beef Jerky

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