Author: PK

PK started DQYDJ in 2009 to research and discuss finance and investing and help answer financial questions. He's expanded DQYDJ to build visualizations, calculators, and interactive tools. PK lives in New Hampshire with his wife, kids, and dog.
Build Your Own Real Time Frequency Analyzer And Christmas Light Controller

I built an Arduino real time frequency analyzer with a microcontroller which doubles as a Christmas light controller.  You can […]

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The Four Pillars of Personal Finance

Both my co-writer Cameron and I have recently penned screeds on a worrisome trend we've seen in Personal Finance blogs - the hyperbolic obsession with "Debt Zero". "Debt Zero" is, of course, the idea that above all else Debt Must Be Paid Down.

The first clue that something is wrong with that story is the inclusion of the word "must". There are very few absolutes in life - the snarky amongst you will acknowledge death and taxes - and in this situation is no different. You see, it's naive to assume that things come for free. Every single thing you do is a trade off.

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The DQYDJ Weekender, 11/25/2012

Happy Thanksgiving! Hope you all had a Happy Thanksgiving!  We hosted my sister (she lives in San Francisco) and my […]

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The Moral Case Against Price Controls

We approached price controls from an economic standpoint on Monday... and today we're going to follow up with the completely […]

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Health Care is No Different Than Any Other Good

Of all the arguments I've heard justifying government controlled health care, the worst has to be the confused statement "The […]

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The DQYDJ Weekender, 11/17/2012

Weak Week Output One article this week?  What's up with that? As much as I want to say that I […]

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The Fundamental Problem With Financial Models

Hey DQYDJ readers, remember that whole real estate bubble popping thing which started a few years ago?  Now, there is […]

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The DQYDJ Weekender, 11/10/2012

Veteran's Day sales are looking pretty solid this year - if you're in the market for some appliances, check out […]

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What Would a Rental Meltdown Look Like?

Not to heft blame on any particular entity for the housing collapse (well, in this article anyway), but one of […]

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Election Live Blog: 11/6/2012 Presidential Elections
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