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Stephen J. Dubner

How to Think About Money, Choose Your Hometown, and Buy an Electric Toothbrush

Dubner and Levitt field your queries in this latest installment of our FREAK-quently Asked Questions.

10/3/13
30:05

In Praise of the Music in Freakonomics Radio

I think that our engineer/mixmaster David Herman does a fantastic job of making Freakonomics Radio podcasts sound great (no matter what you may think of all the talking that interrupts the music and other audio effects).

But there is of course a lot of heterogeneity in personal preferences. Here’s an e-mail we just received from a listener:

Heard your show for the first time yesterday on Tipping.  Loved all the speaking clips and analysis. HATED the musical interludes so much that we (my husband, kids and I) cannot fathom ever listening again unless they are removed. They gave us a bad headache and were so distracting from the content that we had to turn the show off before the end.  Please consider removing them. Thanks.

Afraid we just lost a family of listeners, as we won’t be removing all music from our episodes. Happy to say this is an uncommon complaint; much more common is an e-mail asking where to get hold of the music that appears. FWIW, every time we put out a podcast, the accompanying blog post includes a transcript of the episode which lists the music.

10/1/13

Who Wants a Haircut for $9.99?

The other day I was walking past this barber shop on Broadway in the upper 90’s. This sign caught my eye.

It made me wonder what kind of customer is willing to get a crewcut by an “apprentice barber.” Would you? Also, was there really an “apprentice barber” on standby only to handle the $9.99 cuts? Not likely. It did make me think back to when I was in grad school and needed a root canal, and took advantage of the cut-rate dentistry available at my school’s College of Dental Medicine. The root canal was performed by a student — it took many visits, was unbelievably painful, and kept me from returning to any dentist for several years.

9/30/13

Is Texting Good For Adolescents?

The short answer is yes, at least if the goal is to develop more offline friendships. That is the argument of Maria Koutamanis and co-authors in a study published in Computers in Human Behavior:

The first aim of this study was to investigate whether instant messaging (IM) influences adolescents’ ability to initiate offline friendships. The second aim was to study the validity of two underlying mechanisms that may account for this relationship: (a) the opportunities offered by IM to communicate with a variety of people, and (b) to disclose intimate information. A three-wave longitudinal study was conducted among 690 Dutch adolescents (10–17 years old). Results show that adolescents’ IM use increased their ability to initiate offline friendships over time. Furthermore, IM use indirectly increased adolescents’ ability to initiate offline friendships through the diversity of their online communication partners. These findings suggest that adolescents can practice social skills online and learn to relate to a variety of people, which, over time, may increase their ability to initiate offline friendships.

(HT: Kevin Lewis)

9/30/13

How Much of Our Success Should We Claim Credit For?

Our most recent podcast was called “Would a Big Bucket of Cash Really Change Your Life?” It showed that the winners of a 19th-century land lottery did not appear to convert their windfall into intergenerational wealth. This challenges the modern argument that cash transfers are one of the most effective ways of helping a poor family escape poverty — and, therefore, as we said in the podcast, might be seen as a depressing conclusion.

Judd Campbell from Odessa, Texas, wrote in to dispute the depressing part, and offer some worthwhile commentary:

I just finished listening to the latest podcast about the Georgia land lottery in the 19th century. I actually found it not to be depressing at all.

Here’s why:

1. It would be depressing to me to know that poverty has existed into modernity, and the solution would be a simple one-time transfer of wealth. Surely, we could have figured that out by now and eliminated poverty. Clearly, the issue is more complex than that, and thus we have an excuse for not developing a solution. Yet.

2. While I don’t consider myself wealthy, I do make a healthy salary and live in a comfortable home with 4 kids. There are a couple of things that I believe about my life, that may or may not be logical or factual, but provides me comfort:

a. My financial success is not due to my parents. I did it on my own. I did grow up in a comfortable home with loving and supportive parents, my father has a master’s degree, and I appreciate what they have provided me. But in my gut I feel like I achieved my own success. This podcast was uplifting, because it seems to confirm that I am responsible for my own success.

b. On the other hand, I feel like my financial success will help my children be financially successful. Even though I don’t give my parents credit for my success, I believe that I can influence my children to be successful.

9/30/13

Tom Collins Has Spoken

We recently published a post about what seemed like an aptonym — a researcher named Thomas Collins who’s been studying the chemical footprints of whiskeys. Does he in fact share a name with the cocktail Tom Collins, or does he stick to Thomas? Thankfully, Professor Collins (or someone doing a good impression of him) left a comment on the post:

I do go by Tom. I, too, heard every combination of comments about what my parents might have been drinking, etc. I made a deliberate choice, therefore, to study whiskeys rather than gin …

Cheers!

9/27/13

Would a Big Bucket of Cash Really Change Your Life?

A 19th-century Georgia land lottery may have something to teach us about today’s income inequality.

9/26/13
32:14

The Economist’s Guide to Parenting (Replay)

Think you know how much parents matter? Think again. Economists crunch the numbers to learn the ROI on child-rearing.

9/19/13
58:27

A Tom Collins By Any Other Name …

Marc Resnick, a professor of human factors and information design at Bentley University, writes to say:

I came across this fantastic aptonym today and as a major Freakonomics fan I had to share it with you: A research team at U.C.-Davis just published a study on the chemical fingerprints of American whiskeys.  And the lead researcher is Tom Collins

To be fair, the scholar’s name is Thomas Collins (he is director of the university’s Food Safety and Measurement Facility), and we don’t know if he really goes by Tom.* Furthermore, Tom Collins the drink is made with gin, which isn’t a whiskey, the beverage under study here. But still … fantastic. Thanks, Marc.

*Prof. Collins, please drop us a line and let us know if you do.

9/17/13

Speaking Very Ill of the Dead

In our “Legacy of a Jerk” podcast, we discussed (among other things) the injunction against speaking ill of the dead. It featured an interview with a daughter of a woman named Carole Roberson, whose obituary stated that she was “a difficult mother and a horrendous mother-in-law.” That said, the obituary also said that “she will STILL be missed.”

Several readers have now sent us this A.P. article about an obituary for a Nevada woman named Marianne Theresa Johnson-Reddick. She makes Carole Roberson sounds like an angel.

“On behalf of her children who she abrasively exposed to her evil and violent life, we celebrate her passing from this earth and hope she lives in the after-life reliving each gesture of violence, cruelty and shame that she delivered on her children,” the scathing obituary begins. … [It] was written by Johnson-Reddick’s adult children, whose horror stories prompted Nevada to become one of the first states to allow children to sever parental ties back in the 1980s. …

9/16/13

Whatever Happened to the Carpal Tunnel Epidemic?

Once upon a time, office workers across America lived in fear of a dreaded infirmity. Was the computer keyboard really the villain — and did carpal tunnel syndrome really go away?

9/12/13
20:35

An On-Field NFL Death: We Stand Corrected

From a reader named Eric Geyer:

I was listening to one of your first podcasts, “The Dangers of Safety.” In the podcast, you say “There hasn’t been a single on-field death in the NFL.”

This isn’t completely true — there has been one, I remember it from when I was a kid. A player for the Detroit Lions named Chuck Hughes collapsed and died in the field in 1971. This doesn’t invalidate your point from the story — his death was not related to a football injury, but was caused by a heart attack.

Anyway, in case no other overzealous pedant hadn’t pointed this out, I thought you would like to know 🙂

Thanks, Eric.

9/10/13

Are Tenured Professors Better Classroom Teachers?

The argument over tenure for university professors is a long and boisterous one. 

Levitt, for one, is in favor of abolition. If you are on that side of the argument as well, you may be pleased to read a new working paper by David Figlio, Morton Schapiro, and Kevin Soter (all associated with Northwestern, in one capacity or another) called “Are Tenure Track Professors Better Teachers?” (gated, sorry). Short answer (in their study, at least): no.

The abstract:

This study makes use of detailed student-level data from eight cohorts of first-year students at Northwestern University to investigate the relative effects of tenure track/tenured versus non-tenure line faculty on student learning. We focus on classes taken during a student’s first term at Northwestern, and employ a unique identification strategy in which we control for both student-level fixed effects and next-class-taken fixed effects to measure the degree to which non-tenure line faculty contribute more or less to lasting student learning than do other faculty. We find consistent evidence that students learn relatively more from non-tenure line professors in their introductory courses. These differences are present across a wide variety of subject areas, and are particularly pronounced for Northwestern’s average students and less-qualified students.

9/10/13

The Suicide Paradox (Replay)

There are more than twice as many suicides as murders in the U.S., but suicide attracts far less scrutiny. Freakonomics Radio digs through the numbers and finds all kinds of surprises.

9/5/13
58:34

Women as "Vessels of Reproduction"

These aren’t my words. Listen to John R. Beard, who runs the Department of Ageing and Life Course for the World Health Organization:

“To some extent, we treat women as vessels of reproduction, and once they’ve done that we don’t pay much attention to them.”

That’s from Don McNeil‘s Times article about women’s life expectancy:

Life expectancy for women who live to age 50 is going up around the world, but poor and middle-income countries could easily make greater gains, according to a new World Health Organization report.

Heart disease, stroke and cancer kill most women over 50, said Dr. John R. Beard, director of the W.H.O.’s department of aging, so countries should focus on lowering blood pressure with inexpensive drugs and screening for cervical and breast cancer. Those diseases can be prevented or treated, said Dr. Beard, who was also an author of the study, which was published in the Bulletin of the World Health Organization.

Related (if barely): Ronald Coase has died at age 102.

9/3/13

Autonomous Vehicles, Where Are You?

“The African region has 2 percent of the world’s registered vehicles but a disproportionate 16 percent of the world’s road traffic deaths,” said Tami Toroyan, a technical officer in the department of violence and injury prevention at the World Health Organization in Geneva.

We’ve talked in the past about the massive potential upsides of self-driving vehicles. Just this week came word that Nissan hopes to bring autonomous vehicles to the market by 2020. If you read this heartbreaking Times article by Nicholas Kulish about a series of bus crashes in Kenya (from which the quote above is taken), you may be ready for such vehicles even sooner.

There are of course many barriers to get past before the world is ready for autonomous vehicles — yes, there will be lawsuits of all kinds and yes, professional drivers all over will protest the loss of jobs and yes, there will be people who trust a human driver more than a computer driver — but I do wouldn’t be shocked if my grandchildren grow up in a world where “driving a car” seems like something that cavemen used to do.

8/30/13

Who Are the Most Successful Immigrants in the World?

It’s impossible to say for sure, but the Lebanese do remarkably well. Why?

8/29/13
30:20

Is Our Content Too Depressing?

A Freakonomics Radio listener named Sudha Krishna writes with an e-mail titled “Praise and Concern.”

The praise is very nice — she finds the show “informative, entertaining, and lots of fun,” etc. — but it is the concern that most interests me. As she writes:

I confess I often find Freakonomics Radio depressing. While I am a believer in the power of “unintended consequences,” I find your story selection (and I am a consistent and attentive listener) depressing and discouraging. The stories tend to be focused on (and I am being a wee bit reductive) “good intentions leading to bad consequences (or at very least awry).” The consistent lesson of every episode — a nod to the supremacy of the market and the inexorable power of incentives (not sure about that lesson either). Rarely do you explore the opposite — bad intentions resulting in good consequences. Does such an example exist? One curious listener of Freakonomics Radio wants to know. 

I could probably quarrel a little bit with Sudha — at least some of our shows are about some interesting solution to a problem, or at least an explanation for why such a problem exists. And I tend to think that Levitt and I are borderline extreme optimists, at least on many dimensions. But I get her point. The pattern she identifies is definitely a pattern.

So,  in the interest of learning to think more broadly, I would love to identify some great ideas or stories about “bad intentions resulting in good consequences,” as Sudha puts it. Please leave your very best ideas (or even your mediocre ones) in the comments section below. Thanks to you and especially to Sudha.

8/28/13

The Dangers of Being a Creature of Habit

Blane Nordahl is very good at stealing high-end silver from old homes all over the U.S. He is also, however, a creature of habit. His methodology is so constant, and so distinct, that if a bunch of silver starts to disappear, it becomes obvious to those who know his m.o. that Nordahl is responsible. Then he is hunted down, arrested, and sent to prison for a while — after which he is released and goes right back to his stealing ways.

Back in 2004, I wrote a long article about Nordahl for The New Yorker. There were two detectives who knew just about everything about Nordahl: Cornell Abruzzini, then of the Greenwich, Conn., police force; and Lonnie Mason, a retired New Jersey detective. Abruzzini is still a cop in Connecticut; Mason is still retired. But that didn’t stop Mason from contributing to the last manhunt for Nordahl, helping police departments across the south gather evidence against him. This resulted in the re-arrest of Nordahl early yesterday. The New York Times has the whole story on its front page today, written by Kim Severson.

If you are a TV or movie producer thinking about hijacking this story, you should note that Law and Order already did it (“ripped from the headlines” indeed).

8/27/13

The Folly of Prediction (Replay)

Human beings love to predict the future, but we’re quite terrible at it. So how about punishing all those bad predictions?

8/22/13
58:30

What Kind of Beer Is Most Likely to Land You in the E.R.?

A new study (gated) published in Substance Abuse & Misuse and summarized by Anahad O’Connor in The New York Times identifies the brands of beer most often drunk by people who end up in a hospital emergency room:

The study, carried out over the course of a year at the Johns Hopkins Hospital in Baltimore, found that five beer brands were consumed most often by people who ended up in the emergency room. They were Budweiser, Steel Reserve, Colt 45, Bud Ice and Bud Light.

Three of the brands are malt liquors, which typically contain more alcohol than regular beer. Four malt liquors accounted for nearly half of the beer consumption by emergency room patients, even though they account for less than 3 percent of beer consumption in the general population.

8/20/13

Why Don't More Professional Drivers Use Traffic-Enabled GPS?

A couple years ago, when I first noticed the ability to overlay a traffic report on Google Maps on my iPhone, I assumed that the world of drivers — especially people who drive for a living — would take it up very quickly. In a place like New York, choosing a free-flowing route versus a congested route might save you 30 or even 60 minutes on an airport trip.

But I seem to have been quite wrong. In most instances when I take a taxi or hired car to/from an airport, the driver doesn’t check any kind of device to see where traffic is heavy and where it’s light, even though smartphones with map and traffic apps have exploded in the last couple of years. Once in a while, he’ll tune in to the all-news radio station to get a spotty traffic update.

Therefore, I usually now check my traffic app as soon as I get in the car to see what routes are looking good and which are looking bad, and then relay that info to the driver. Why don’t more professional drivers use traffic-enabled GPS?

8/19/13

Those Brutal Ballplayers

Too much cheating, substance abuse, and violence among baseball players? Absolutely — 100 years ago. A great read from Tobias Seamon* in The Morning News:

Ty Cobb had a nervous breakdown in his rookie season; Pittsburgh’s Ed Doheny was committed to an asylum in 1903, with a local paper declaring “His Mind Is Thought To Be Deranged”; in 1907, Chick Stahl borrowed from the fiendish Bowery dive McGurk’s Suicide Hall and ingested carbolic acid; Patsy Tebeau, player-manager for the hard-drinking Cleveland Spiders in the 1890s, later shot himself; in 1900 Boston’s Marty Bergen slit his throat after killing his wife and two children with an axe; Hall of Famer Old Hoss Radbourn, who had half of his face blown off in a hunting accident, became demented from syphilis; the notorious drunk Bugs Raymond of the New York Giants once illustrated his curve by hurling a mug through a restaurant’s plate-glass window; Mike “King” Kelly drank himself into an early grave but not before creating the devil-may-care jock stereotype in America.

*He is also married to my niece.

8/15/13

The Middle of Everywhere

Chicago has given the world more than sausage, crooked politics, and Da Bears.

8/15/13
30:50

Losing Experienced Teachers Is Bad for Schools, Right?

Maybe not. A new working paper (abstract; PDF) by Maria Fitzpatrick and Michael Lovenheim finds that offering early retirement to experienced schoolteachers doesn’t have a negative effect on students’ test scores, and in some cases leads to an improvement. The abstract:

Early retirement incentives (ERIs) are increasingly prevalent in education as districts seek to close budget gaps by replacing expensive experienced teachers with lower-cost newer teachers. Combined with the aging of the teacher workforce, these ERIs are likely to change the composition of teachers dramatically in the coming years.  We use exogenous variation from an ERI program in Illinois in the mid-1990s to provide the first evidence in the literature of the effects of large-scale teacher retirements on student achievement.  We find the program did not reduce test scores; likely, it increased them, with positive effects most pronounced in lower-SES schools.

8/13/13

Judge to Mom: "Thou Shalt Not Name Thy Child 'Messiah'"

Just another false messiah, it seems. From the Associated Press:

A judge in Tennessee changed a 7-month-old boy’s name to Martin from Messiah, saying the religious name was earned by one person and “that one person is Jesus Christ.” …

“It could put him at odds with a lot of people and at this point he has had no choice in what his name is,” [Magristrate Lu Ann] Ballew said.

It was the first time she ordered a first name change, the judge said.

Messiah was No. 4 among the fastest-rising baby names in 2012, according to the Social Security Administration’s annual list of popular baby names. …

The boy’s mother, Jaleesa Martin, of Newport, said she will appeal. She says Messiah is unique and she liked how it sounded alongside the boy’s two siblings — Micah and Mason.

I am eager to read your comments on this one.

8/12/13

Different Kinds of Moms Have Babies at Different Times of Year

We’ve written in the past about the relationship between a child’s month of birth and a variety of later outcomes. In SuperFreakonomics, for instance, we wrote about research by Douglas Almond and Bhashkar Mazumder showing that “prenatal exposure to Ramadan results in lower birth weight.” In a Times column called “A Star Is Made,” we examined the link between birth month and accomplishment in sports. We also noted, however, in SuperFreak, that the sports advantage — and probably many other birth-month influences — are relatively small:

But as prevalent as birth effects are, it would be wrong to overemphasize their pull. Birth timing may push a marginal child over the edge, but other forces are far, far more powerful. If you want your child to play Major League Baseball, the most important thing you can do — infinitely more important than timing an August delivery date — is make sure the baby isn’t born with two X chromosomes. Now that you’ve got a son instead of a daughter, you should know about a single factor that makes him eight hundred times more likely to play in the majors than a random boy.

What could possibly have such a mighty influence?

Having a father who also played Major League Baseball. So if your son doesn’t make the majors, you have no one to blame but yourself: you should have practiced harder when you were a kid.

That said, there is a rather large body of literature on the topic of birth month and its relationship to later outcomes. Which is why it’s interesting to see a paper (working version here), just published in The Review of Economics and Statistics, which offers a different angle on all this birth-month conversation.

8/12/13

The Church of “Scionology” (Replay)

We worship the tradition of handing off a family business to the next generation. But is that really such a good idea?

8/8/13
57:28

How Much Tax Are Athletes Willing to Pay?

The Laffer Curve is a unicorn-y concept that seeks to explain the rate of taxation at which revenues will fall because earners either move away or decide to earn less (or cheat more, I guess).

If I were a tax scholar interested in this concept, I would be taking a good, hard look at the current behavior of top-tier professional athletes. Boxing is particularly interesting because it allows a participant to choose where he performs. If you are a pro golfer or tennis player, you might be inclined to skip a particular event because of a tax situation, but you generally need to play where the event is happening. A top-ranked boxer, meanwhile, can fight where he gets the best deal.

Which is why it’s interesting to read that Manny Pacquiao will probably never fight in New York — primarily, says promoter Bob Arum, because of the taxes he’d have to pay.

8/8/13

Selling Off the Family Business

With the recent sale of The Washington Post to Jeff Bezos, the less-recent sale of the Wall Street Journal to Rupert Murdoch’s News Corp., and the N.Y. Times’s exuberant denial that it is for sale, one thing came to mind: family businesses.

Not an obvious common thread, perhaps. But I have long been interested in how family-run businesses succeed or fail — and in fact this week have just re-released an hour-long Freakonomics Radio podcast on the topic, “The Church of ‘Scionology’” (subscribe here). It features stories on a pair of family beer businesses — Anheuser-Busch and Yuengling — as well as the strange tale of adult adoptions in Japan in the service of corporate stability (i.e., if your son or daughter isn’t up for the job of running your company, then you can simply adopt your successor).

The Post and Journal were long-held family businesses, the Post by the Graham family and the Journal by the Bancrofts. The Times, in an ownership structure similar to the Post, is a public company whose voting shares are controlled by the Ochs-Sulzberger family, and Arthur Sulzberger, like his ancestors before him, is the publisher of the newspaper. I haven’t worked at the Times for some time but the feeling then — and I am told that the feeling persists — is that the Sulzberger family has done an extraordinary job of protecting the editorial integrity of the newspaper, as might be expected of a family steward, but has been less competent than one might wish in shepherding its business interests. (This is all speculation, of course, as there is no counterfactual.)

8/8/13

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