Author Archive for Steve Landsburg

A Dog Who Really Wants A Cat

Since we’ve been talking about dogs and cats this week:

Hat tip to my sister Barbara.

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I GIve Up

These were the posted prices at my local gas station this morning:

(Note the 5 cent discount for cash on regular and premium, as opposed to the 65 cent (!!!) discount on plus.) Unless this was just a mistake, my complete inability to explain it makes me question whether I should be allowed to teach economics.

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Cats, Dogs and Coin Flips

The solution to yesterday’s rationality test:

This one is much much simpler (and much less infuriating) than some of our earlier rationality puzzles (e.g. here and especially here), but it has a good pedigree, having come to me from my student Tallis Moore, who found it in a paper of Armen Alchian, who attibutes it to the Nobel prizewinner Harry Markowitz.

Several commenters got it exactly right, but whenever possible, I prefer an explanation that invokes cats and dogs. So: Suppose I give you a choice between A) a cat, B) a dog, and C) a coin flip to determine which pet you’ll get:

It’s perfectly rational to prefer the cat to the dog, and perfectly rational to prefer the dog to the cat, but (according to the traditional definition of rationality) quite indefensible to prefer the coin flip to either.

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Another Rationality Test

In front of you lie three urns, labeled A, B and C. Each contains 2000 balls. Urn A has 2 reds and the rest black; Urn B has 20 blue and the rest black; Urn C contains 1 red, 10 blue and the rest black. Like so:

You can reach into the urn of your choice and remove a ball. If you draw red, you get $1000; if you draw blue, you get $100; if you draw black, you get nothing. Which urn do you pick and why?

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‘Bam’nesty

According to the New York Post, “President Obama’s temporary-amnesty program has paid off for 454,000 young immigrants who were brought here illegally.”

That’s all well and good, and I don’t begrudge a single one of those young immigrants his or her good fortune. But let’s be clear here: The biggest losers from our country’s heartless immigration policies are not the young people who have managed to find their way here only to risk deportation. The biggest losers are those who never got here in the first place.

If it were my job to remedy the evils of American immigration policy, I’d start by making it easier to get here, not easier to stay here. Or to put this another way: If the President is willing to allow 454,000 young immigrants (and no more) to be here, I’d prefer he deport everyone who’s already here and bring in another 454,000 to replace them. That way, a million people get at least some opportunity to reap the (relative) benefits of American education and American freedom, as opposed to a lucky half-million reaping all the benefits while another half-million get nothing.

It would be better, of course, to welcome everyone.

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Friedman on Psychic Harm

Four terrific posts by David Friedman, partly on psychic harm, partly on talking about psychic harm. I’d recommend these highly even if they hadn’t invoked my name.

Landsburg v Bork: What Counts As Injury?

Response to Bork and Landsburg

Frightening Ideas

Why Landsburg’s Puzzle is Interesting

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Missed It by *That* Much

Why do senior citizens get so many discounts? A lot of it is because they have the time to shop for bargains — so if you don’t give them a bargain, they’ll find someone else who will.

We talked about this and other forms of discounting (or, in economic jargon, “price discrimination”) in my Principles class just last week, emphasizing that it does no good to hand out discounts willy-nilly; instead you want to target them to the most price sensitive customers. That’s why you sometimes have to jump through hoops (like filling out a rebate form) to get your discount — the customers who are motivated to fill out a rebate form tend to be exactly the same customers who are most likely to look elsewhere for a good price.

We talked too about how the airlines have always strived to separate business travelers from leisure travelers so they can charge the business travelers more and the leisure travelers less — the leisure travelers being more likely to take the train (or just stay home) if they don’t get a bargain. The problem, though, is that it’s hard to tell who’s a business traveler and who’s a leisure traveler. So historically, there have been devices like discounts for those who stay over a Saturday night, which is something a business traveler is unlikely to want to do.

Now I can go back to my students and tell them something about the value of staying awake in their economics classes. Because someone who’d obviously absorbed this lesson well has started a new site called GetGoing that takes this idea and runs with it. Here’s how it works: You book two conflicting itineraries, say a trip to San Francisco and a trip to Atlanta on the same date. You are quoted prices that are typically about half what you’d get elsewhere. You agree to fly. And then it books one of the trips, chosen randomly.

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Blog Notes

Note added on 4/5: Readers who want the short version can skip down to where it says “Edited to Add”.

I’m somewhat hesitant to post this, since I believe my regular readers will find it all to be entirely obvious and hence entirely unnecessary. But we’ve had more than the usual number of non-regular readers here the past few days, largely in response to my post on psychic harm, and more than a few of them have made the mistake of plunging into a conversation they didn’t understand (often, apparently, without even reading the post they were responding to). Per my usual policy in long threads, I’ve deleted comments that failed to advance the discussion, either because they were off topic or did no more than repeat things that had already been said. In most, but not all, such cases, I drop short notes to the commenters, explaining why their posts were deleted and inviting them to come back with something more germane. Often (and this week has been no exception), I get notes back from these people saying they’ve learned something, which is gratifying enough that I keep on sending those explanatory notes. (If your post was deleted and you didn’t get a note, you probably just had the bad luck to post at a time when I was unusually busy or distracted.) But since certain points come up repeatedly, it might be more efficient to mention them here.

1. This was not a post about censorship, or about the environment, or about rape. It was a post about where to draw lines between purely psychic harm that should receive policy weight and purely psychic harm that shouldn’t. This is an issue I raise from time to time, because I find it both perplexing and important. And it interacts with lot of other standard issues in public policy in ways that make it impossible (for those of us who care about such things) to ignore.

2. The post was laden with unrealistic hypotheticals. That’s the only way I know of to approach these questions. Take rape, for example. Rape frequently has ghastly physical and psychological consequences for the victim. We all know that, which is precisely why it’s important (in this kind of discussion) to assume those consequences away. The whole point is to focus on the stuff we’re not sure of, such as: Should my distress over someone else‘s rape receive policy weight? To focus on that question, it helps to imagine a scenario where that’s the only distress. In other words, we assume away all the usual harm to the victim precisely because we’re already know that this harm is dreadful and merits policy weight. To focus on examples where the victim sustains damage would be to say, in effect, that we’re not sure how to feel about that damage. (Otherwise, why investigate those examples?)

Or to put this yet another way: In this business, the way one acknowledges that an issue is settled is to assume it away. It is settled that damage to rape victims is real, great, important, and deserves the attention of the law. Thus we assume it away.

Edited to add: Two extremely thoughtful commenters have pointed out that the first post dealt both with psychic harm to the victim and with psychic harm to the general public, and that these are two different issues. Indeed they are, but both are difficult in the same way, and both of them are clarified by hypothetical examples.

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Legal Problems

Economists often say that the law should be written to promote efficient outcomes. That’s more ambiguous than it sounds.

Suppose I want to take an action that causes you harm; for example, I want to cut down a tree that you like looking at. How do we tell if that action is efficient?

Definition 1. The action is efficient if my willingness to pay exceeds your willingness to accept. For example, if I’m willing to pay $100 for the privilege of harvesting the tree, and if you’d accept less than $100 to part with it, then the tree-cutting is efficient.

Definition 2. The tree-cutting is efficient if it would occur in a world with no transactions costs (i.e. a world in which there are no impediments to bargaining).

In many circumstances, these definitions are equivalent, and economists often pretend they’re equivalent always — but sometimes they’re not.

Example 1. I want to punch you in the nose non-consensually. (The non-consensuality is a big part of my enjoyment.) I’d pay $100 to punch you in the nose, and you’d accept $50 to take the punch. By Definition 1, the punch is efficient. But the punch would be unlikely to occur in a world with no transactions costs, because it would require bargaining, hence consensuality on your part, which kills my interest. So by Definition 2, the punch is inefficient.

Example 2. I am willing to pay $100 to cut down a tree; you are willing to accept no less than $150 to part with it. By Definition 1, the cutting is inefficient. But part of the reason I’m willing to pay only $100 is that I’m credit constrained. In a world with no transactions costs, I’d borrow more, and would be willing to pay $200 to cut down the tree. So by Definition 2, the cutting is efficient.

Example 3. I am willing to pay $1000 to cut down a tree; you are willing to accept $500 to part with it. By Definition 1, the cutting is efficient. But the only reason I’m willing to pay so much is that I make an excellent living in my job as a mediator who helps people overcome transactions costs. In a world with no transactions costs, I’d be much poorer and would be willing to pay only $200 to cut the tree. So by Definition 2, the cutting is inefficient.

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Never Give Your Credit Card to the Wall Street Journal

Having just discovered a staggering $910 (!!!!) in unexplained and unauthorized charges to my MasterCard by the Wall Street Journal (no, these were not legit renewal fees), I have just spent what seems like the better part of four days telling my story on the phone to one customer service rep after another, each of whom has found a new way to lie to me. (“We’ll call you back by the end of the day” was the most frequent lie, followed by “we’re putting through a half-refund now and someone with higher authority will call you shortly to arrange the rest” — which turned out to be two lies in one). Finally, I decided to send an email with the whole sad story, asking for a refund and mentioning that I sure hope there won’t be any resulting confusion that interrupts my delivery service. I got an email back saying “Per your request, we’re cancelling your delivery service”. Today I had no newspaper — and still no refund.

Think of the top three worst customer service stories you’ve ever heard. Chances are excellent that versions of all three have cropped up along the way in this sordid saga, the details of which I will suppress because I’m sure they’re less interesting to you than they are to me.

But I will mention this: Aside from the lying, and the lying and the lying, there’s also the fact that absolutely nobody appears to keep any record of these conversations, so that each time I call, I’m starting from scratch, explaining the whole story to a customer service rep who won’t put me through to a supervisor until I rehash the whole thing, then waiting on hold ten minutes for said supervisor, who needs the entire story told from scratch again before connecting me to the department that’s really equipped to deal with this, where I wait on hold for another ten minutes before telling my story yet again and, 50% of the time, getting disconnected. When I call back, it’s back to Square One.

Oh, yes….and they’ve also studiously ignored my repeated requests/demands that they expunge my credit card number from their records, and refused to acknowledge my repeated notifications that they do not have my authorization to charge my credit card for anything ever again.

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Soda Jerk

The one lesson I most want my students to learn is this: You can’t just say anything. It’s important to care about making sense. So I find it particularly galling when people violate this rule while presenting themselves to the public as economists. It undercuts the single most important lesson we have to teach.

THe latest culprit is the unchastened serial offender Robert Frank, writing in the Business section of the Sunday New York Times. His argument has two parts, one philosophical and one economic. In both cases he substitutes blather for analysis. I’m less concerned about the philosophical part, because it’s such obvious nonsense that I can’t imagine anyone will take it seriously. But the fact that he got the economics wrong, and more importantly, his implied message that it doesn’t matter whether you get the economics wrong, seems calculated to undermine the public’s faith in economists. That’s the part I take personally.

Frank’s subject this time is New York Mayor Bloomberg’s failed attempt to curb the sale of large sugary drinks. While acknowledging that such a ban would curb individual freedom in some dimensions, Frank argues that it would simultaneously enhance individual freedom in others — namely, it would enhance your “freedom” to prevent your child from drinking lots of soda.

Now, I do not doubt that for some parents, a ban on large sugary drinks would make it easier to prevent children from drinking lots of soda, but to call this an enhancement of freedom, you (or Robert Frank) would have to use the word “freedom” in a very unorthodox way. By Frank’s definition, a ban on Democratic campaign ads would enhance your “freedom” to prevent your children from voting for Democrats. Would Frank endorse such terminology? Or suggest that this effect, in and of itself, might suffice to consider the advertising ban a generally pro-freedom initiative?

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How Markets Work

A while back, I posted a link to the first of my four talks at the 2012 Cato University. Today, I’m posting the second talk, titled “How Markets Work”, with the others to appear eventually.

Incidentally, I won’t be at the 2013 Cato U, but other stellar speakers will be. This really is an extraordinarily well run event, and I’ve met many fascinating people every time I’ve been there. It’s not too late to register!

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Friday Puzzle

Flightstats.com is a website that reports the on-time performance of individual airline flights. If you look up, oh, say, USAirways Flight 464, you’ll find this assessment:

Now the puzzle: How, exactly, does one go about controlling for standard deviation and mean?

Hat tip to Michael Lugo at God Plays Dice

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Censorship, Environmentalism and Steubenville

Note added on 4/5: Some readers missed the point of this post very badly, which means that it could have been written more clearly. Here is a brief attempt to clarify.

______________________________________-

Here are three dilemmas about public policy:

Farnsworth McCrankypants just hates the idea that someone, somewhere might be looking at pornography. It’s not that he thinks porn causes bad behavior; it’s just the idea of other people’s viewing habits that causes him deep psychic distress. Ought Farnsworth’s preferences be weighed in the balance when we make public policy? In other words, is the psychic harm to Farnsworth an argument for discouraging pornography through, say, taxation or regulation?

Granola McMustardseed just hates the idea that someone, somewhere might be altering the natural state of a wilderness area. It’s not that Granola ever plans to visit that area or to derive any other direct benefits from it; it’s just the idea of wilderness desecration that causes her deep psychic distress. Ought Granola’s preferences be weighed in the balance when we make public policy? In other words, is the psychic harm to Granola an argument for discouraging, say, oil drilling in Alaska, either through taxes or regulation?

Let’s suppose that you, or I, or someone we love, or someone we care about from afar, is raped while unconscious in a way that causes no direct physical harm — no injury, no pregnancy, no disease transmission. (Note: The Steubenville rape victim, according to all the accounts I’ve read, was not even aware that she’d been sexually assaulted until she learned about it from the Internet some days later.) Despite the lack of physical damage, we are shocked, appalled and horrified at the thought of being treated in this way, and suffer deep trauma as a result. Ought the law discourage such acts of rape? Should they be illegal?

If your answers to questions 1, 2 and 3 were not all identical, what is the key difference among them?

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History Repeats Itself

Benjamin Franklin was against smallpox vaccination — until his own unvaccinated son died of smallpox, whereupon Franklin changed sides and began urging other parents to vaccinate their children.

This has always struck me as a bit of a black mark against Franklin’s rationality. He’d always known that smallpox kills; he’d always known that vaccinations (at least in the early 18th century) could also kill. As a parent, he’d weighed one risk against the other and used his best judgment about where to place his bets. In a world where smallpox deaths were commonplace, his own son’s death was just one more virtually insignificant data point. Could inoculation have been an unacceptable risk against a disease that killed 100,000 people a year, but a prudent precaution against a disease that killed 100,001?

That’s how I feel, too, about Senator Rob Portman’s turnabout on the issue of gay marriage after learning that his son is gay. Continue reading ‘History Repeats Itself’

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Triumphs of Capitalism

By the standards of history, you, I, and (unless you’re a very atypical blog reader) pretty much everyone we’ve ever met is fabulously wealthy. How wealthy? One good measure is our ability and willingness to support the frivolity of others. Here are two recent technological innovations that give eloquent testimony to just how well off we are.

First, the Oreo separating machine. (Yes, I realize that every other blogger on earth has already linked to this one, but if you haven’t actually watched it yet, you really should click through):

And then….

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Thought for the Day

If I could choose any name I wanted and require everyone to call me by that name, I think I would probably go with something considerably more creative than “Francis”. Just saying.

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The Most Important Date Ever

I am not one of the public intellectuals who were queried by The Atlantic (link might require subscription) as to which date most changed world history — but on the Internet, you can always spout off without an invitation.

It’s hard to argue with Freeman Dyson, who nominates the day an asteroid wiped out the dinosaurs, clearing the evolutionary path for the likes of you and me.

(Actually, it’s remarkably easy to argue with Freeman Dyson. I know this, having done so over tea in Princeton, many years ago. He made it very easy indeed, despite (or perhaps because of) the fact that he was 100% right and I was 100% wrong.)

At the opposite end of the intellectual spectrum, the standup comedian W. Kamau Bell, after lamenting that there’s no way he can get this right so he might as well punt, nominates the day Michael Jackson first performed the moonwalk on national TV. Unfortunately, his intent to give the most ridiculous possible answer is thwarted by one Neera Tanden of something called the Center for American Progress, who, with an apparently straight face, nominates August 26, 1920 (the day American women gained the right to vote) — an answer that begins by placing 20th century America at the center of the Universe and proceeds downhill from there.

Other 20th-century answers (the assassination of Archduke Ferdinand, Hitler’s invasion of the Soviet Union) are at least more serious, and I think that Anne-Marie Slaughter‘s nomination of the still-very-recent-by-historical-standards signing of the Declaration of Independence on July 4, 1776 is even defensible. But then what about the Glorious Revolution of 1688, which arguably laid the political and intellectual groundwork that made the Declaration possible?

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Debt and Growth

Is the public debt a drag on economic growth? Economist Salim Furth reviews the evidence here and finds cause for alarm.

My own instincts are substantially less alarmist, but it should be noted that unlike me, Furth (and those he quotes) have spent substantial time thinking hard about this question.

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Romer on Minimum Wages

Christy Romer, writing in the New York Times, deems the Earned Income Tax Credit a more palatable alternative to the minimum wage. So do I. (So, I feel confident, do the great majority of economists). But there is almost no overlap between Romer’s reasons and mine. I believe her reasons are wrong.

First, Romer observes (correctly) that while the minimum wage tends to reduce employment (though perhaps not by very much), the EITC has the opposite effect. That’s because the minimum wage is essentially a tax on hiring unskilled labor, while the EITC is a subsidy. When you tax something you get less of it; when you subsidize something, you get more.

But, contra Romer, that’s no reason to prefer the EITC. Since when, after all, is it automatically better to have too much of something than too little? Underemployment and overemployment are both bad things. Indeed, if the minimum wage (for whatever reason) has very little effect on employment while the EITC increases it substantially past the efficient level, that’s a good reason to prefer the minimum wage.

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Live Streaming Sex

The Future of Freedom Foundation plans to livestream my talk this afternoon, titled “More Sex is Safer Sex and Other Surprises”. I believe you’ll be able to find the stream here. Starting time (I think!) is 6PM.

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Update: livestream cancelled for techical reasons but high quality video will be available in a few days.

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Upcoming Events

Friday March 1 Tuesday, March 5 (note date change!): Our occasional commenter Sierra Black will discuss polyamory on the Katie Couric show; 3PM eastern time in many cities, but check local listings.

Monday, March 4, 5:30PM: I’ll be speaking in the Economic Liberty Lecture Series, sponsored by the Future of Freedom Foundation, at George Mason University in Fairfax, VA. I’m a little unclear on the exact location; this link and this link seem to contradict each other — but they do both give phone numbers to call for further information. Admission is free.

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Deficit Attention Disorder

Imagine you’ve got a drinking problem. And imagine this conversation with your spouse:

Spouse: Dear, you’ve really got to do something about your drinking. You’ve been in three auto accidents this week, you’ve lost your job, and you’ve been trying to beat the children, though you keep passing out before you can get to them. I want to help you figure out how to get this under control.

You: You’ve got a fair point there. But let me point out that it would also be a good idea to redecorate the living room.

Spouse: Well, maybe so, and it’s something we can talk about at some point. But right now, I’d really like to focus on the drinking issue.

You: Doesn’t that strike you as imbalanced? Here we’ve got two issues on the table, and you want to focus 100% on one of them and 0% on the other. Why are you being so one-sided?

Spouse: Well, but I feel like there’s some urgency about the drinking thing, and I’d like to prioritize it.

You: Apparently, you’re fanatical on this issue. I don’t see how I can continue to take you seriously.

Spouse: Well, actually I’m trying to get you to focus on a very serious issue.

You: Yes, but by focusing exclusively on that issue, you’re betraying your fanaticism. Clearly, I’m the one who’s willing to address our problems, and you’re the one who’s just out to score debating points.

Spouse: Huh?

You: Not only that, but I’ve got a Nobel-prize winning economist who agrees with me!

How does that make you feel? I feel that way a lot when I read the news lately. Arguably, our country faces a spending crisis. The Republicans claim they want to deal with that crisis. (There’s some legitimate question about how sincere they are, but they at least say they want to deal with it.) The Democrats say: Okay, but let’s also talk about raising taxes. Maybe they’d also like to talk about redecorating the Rotunda; this seems roughly as pertinent. In other words, the Democrats attempt to deflect attention from the crisis (or the alleged crisis) by insisting that we talk about some other thing at the same time — and then they insist that the Republicans, by insisting that we focus on the issue at hand, are “betraying their fanaticism”. And they’ve managed to find a Nobel-prize winning economist willing to parrot this nonsense almost daily on the pages and webpages of the New York Times.

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But Foolish *In*consistency Can Also Be Problematic…

Paul Krugman is at it again, bemoaning the mendacity of politicians who, for “careerist reasons”, will never admit their mistakes and therefore lock themselves into bad policies. He even quotes Ralph Waldo Emerson:

A foolish consistency is the hobgoblin of little minds,
adored by little statesmen and philosophers and divines.

And Krugman’s solution to this problem? More power for the politicians, of course.

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Sweet!


This blows me away:

Suppose you pay children in the 5th and 6th grades, right when you think of the achievement gap opening up between blacks and whites, to take an IQ test.

Say you have unmotivated black kids living in the middle of the ghetto and white kids from Scarsdale or some other upper-class neighborhood. You give each kid who gets a successful answer one M&M — just give them an M&M — and you say for each point extra on the IQ test, each correct answer, I’ll give you one more M&M. It turns out that the gap between the black and white student in the IQ test scores vanishes — vanishes completely.

If I’d heard this from almost anyone else, I’d be instantly skeptical. But I heard it from Jim Heckman, who sets the standard for caution and reliability in social science. I highly recommend the whole interview; you can read it here.

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Separated at Birth?

Carl Pistorius, facing charge of culpable homicide
Alexander Grothendieck, greatest mathematician of the 20th century

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Public Service Announcement

The Big Questions is likely to be down intermittently between about 9PM and 11PM eastern time on Friday, 2/22 for scheduled maintenance.

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Thoughts on the Minimum Wage

The usual case against the minimum wage has three components:

  1. Minimum wages reduce employment among unskilled workers.
  2. Therefore minimum wages are bad for unskilled workers.
  3. Therefore minimum wages are bad policy.

The problems with this case are that

  1. Minimum wages might not reduce employment very much.
  2. Even if they do, that doesn’t make them bad for unskilled workers.
  3. Therefore we cannot conclude (via this route) that minimum wages are bad policy.

Minimum wages are bad policy, though — but for entirely different reasons.

I’ll get to those reasons shortly, but first let’s examine the traditional argument a little more closely. I’ll number my paragraphs to make it easier for commenters to respond.

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It’s All About Me

The new issue RegionFocus (the magazine of the Richmond Federal Reserve) is out, including an interview with yours truly.

There are a few things I might wish I’d said a little differently, but Aaron Steelman (the interviewer) did a fantastic editing job.

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Paul Krugman Hopes You’re Stupid

Paul Krugman, apparently relying on the stupidity of his readers, opens with this quote:

“At some point, Washington has to deal with its spending problem,” Speaker John A. Boehner of Ohio said Wednesday. “I’ve watched them kick this can down the road for 22 years since I’ve been here. I’ve had enough of it. It’s time to act.”

Then Krugman comments as follows:

22 years, huh? Indeed, Boehner was elected in 1990, and entered the House at the beginning of 1991. So what kind of can-kicking was going on during his first, say, decade in office? Here’s the picture:

Hmm — it sort of looks as if the US was sharply reducing its debt during the presidency of a guy named, I don’t know, Bill something or other.

See what he did there? Boehner says something about spending; Krugman responds with an irrelevant chart depicting debt, and hopes you won’t notice he’s completely changed the subject.

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