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Caveat Emptor

The opinions expressed on this page are mine alone. Any similarities to the views of my employer are completely coincidental.

Friday, 25 June 2010

Provocation

I gather my old LSE colleague Catherine Hakim is raising a few hackles with her latest European Sociological Review article  'Erotic Capital'. There is a nice Times interview here with Kate Spicer. My take is that she has written a brilliant example of what the French would call a provocation. In plain English she is yanking the chains of the gullible, cocking a snook at a part of the British sociological establishment and reaping a windfall of publicity. If I'm right, then good luck to her. 
Consider the evidence. The main claim of her article is that sexual attractiveness is a resource that women (and men) can and do use to their advantage. If Ladbrokes were offering odds on that I'd have a flutter. Consider an employer that had to choose between two job applicants who were equivalent on all characteristics that could predict  productivity. Why would they not choose the more attractive? It won't be better for their business but it might make work marginally more pleasant. What better way to make fools of your adversaries than get them all hot and bothered over a statement of the blindingly obvious. Masterly (or mistressly(?)).
Of course in reality it is rare in job hire situations to find that the ceteris paribus clause is satisfied and that, taken with significant heterogeneity in taste, leads me to believe that the premium to eroticism will be relatively small. But of course it is an empirical issue, so get writing those research grant applications. I should think a within subject design might be a good place to start with each subject being their own pre botoxed and boob-jobbed control.
The real clue though that Hakim has her tongue firmly in her cheek is the use of the word "capital". It's a surefire giveaway of her satiric intention. Why else would she use this sociological pseuds corner way of referring to what you and I would simply call a resource that people can use to their advantage? It really hits the spot though  and sucks in the  intellectually insecure Francophone snobs of  the British sociological world. Congratulations Catherine, you've hit the target again!

Tuesday, 22 June 2010

RIP Matthew Colton

I was saddened to read Matthew Colton's obituary in today's Guardian. It's more than twenty years since I last saw him but I have fond memories of playing alongside him in midfield for Nuffield Red Stars in the 1980s. He was, as they say, a committed player, tough on the opposition and tough on his own team. He was also somebody for whom doing social science was about making a difference in the world. I remember him telling me that what was most important about his doctoral work, was not the work in itself,  the career it might initiate or the glory it might bring but the consequences it would have for the kids in care that he was studying.  RIP mate.

Thursday, 17 June 2010

Adjusting for disadvantage - college admissions

Andrew Gelman has a couple of thoughtful posts - here and here - on the tricky problem of levelling the playing field for college admissions. It's been quite a while since I  was involved in undergraduate admissions but when I  did it at another place I felt  the pressure to admit students that were, relatively speaking,  not academically well qualified,  because they possessed, from the point of view of administrative "targets", other  qualities. I also seem to remember that the institution on several occasions publicly denied that such targets existed which I found curious given the memos I would receive telling me that I had not admitted sufficient numbers of students from access courses or from certain postcode types. It was also striking that certain departments were singled out for the hard sell. Nobody would have dreamed of telling, for instance, the Economics department, who they should admit, but Sociology, Social Policy and other soft subjects were thought to be fair game. 
What I always struggled with was the seemingly vacuous idea of "potential". I was always being told that I should see beyond the mediocre academic performance to the potential that in some, usually unspecified, way could compensate for actual achievement. I genuinely wished I could,  but nobody ever took the time to explain to me how the trick worked. The more I looked at it the more "potential" seemed to me to be a softhearted and occasionally softbrained way of doing whatever you liked and feeling smug about it.
That's why I like the look of Andrew's suggestions much more than the shabby fudges I remember. What it amounts to is running a handicap race with weights for the sorts of things that give known advantages to those with deep pocket books. We do it in horse racing and golf so why not in college admissions? And nobody's freedom is infringed. You can still spend your money on private education, its just that your kids have to do even better in order to benefit. It's a neat reversal of the usual formula whereby kids from disadvantaged backgrounds typically have to show more merit than their advantaged peers in order to achieve equivalent results.

All that is necessary for the triumph of evil... 2

To paraphrase Amos Oz: tragedy is what happens when right is in head on collision with right. Ben Goldacre again provides  a great link (where does he find this stuff?) to Adam Curtis' blog where you can watch an excellent BBC documentary from  1973 on the Exodus incident. I think it does a good job of explaining the context and in allowing key participants to tell their stories. There is a marked lack of bitterness expressed on both sides and a lot of sympathetic insight. Perhaps this was possible at the time because in the end both sides got what they wanted - the refugees eventually got to Israel, albeit via Hamburg, and the British extricated themselves from a hopeless situation in which nothing could be done, or not done, without somebody somewhere painting  them as the villains of the piece.  I wonder though whether those who were interviewed would have been quite so phlegmatic if the final scene of this Act had ended as intended. The Haganah left a bomb on one British ship set to explode when  it returned to sea after  the debarkation of its refugee cargo. And of course just as it was broadcast in 1973 the curtain went up on the next Act of the tragedy.

Wednesday, 16 June 2010

More Hard Problems

As a footnote to my last post, Alexey helpfully points out that you can also view the Gary King video on Facebook without using Realplayer. Thanks for the tip Alexey.

Monday, 14 June 2010

Hard Problems in the Social Sciences

Amongst others, MSc students who took my Research Design class this year and tore their hair out over the mid-term assignment - here and here - might be gratified to know that the Gordian knot I asked you to struggle with is discussed by Gary King at a recent Harvard symposium as one of the 12 'Hard Problems in the Social Sciences'. There is a nice video (requires Realplayer) and some useful slides. Whatever your complaint about Oxford sociology, you can't say that we don't take you to the 'cutting edge'.

Friday, 11 June 2010

BP and Negative Externalities

When I was young and even more foolish than I am now I had a car accident that could easily have killed me. Driving rather fast in the outside lane of the the M40 one of my rear tyres blew out. The car turned through 180 degrees, crossed two lanes of traffic and slammed into the safety barrier. The car was a right-off and I walked away without a scratch. Just one of those forks in the road which in restrospect make you think about how very different your life - or lack of life - could have been.
A few weeks later I received a letter from the Highways Agency, or whatever it was in those days, containing an invoice for the several hundred pounds it would cost to repair the guard rail. I sent it to my insurer who paid the bill and that was the end of it.
The damage to the safety barrier was the result of a genuine accident, but that didn't mean that I should pass the cost of repairing it to the general tax-payer. My actions imposed a cost on other people - the guard rail was not fit for purpose until repaired - and it was entirely reasonable that I should foot the bill through my increased insurance premiums.
So now I ask why should anyone take seriously the emerging whinge about the treatment of BP by Obama? Why should the shareholders expect to benefit enormously from the upside of their ownership and be protected from the downside. Isn't it reasonable that the polluter should pay and that the price of the commodity they produce should reflect the full economic cost of its production? That full economic cost  includes the cost of compensating those whose livelihoods and well-being have been negatively affected by BP's activities.
My pension fund stands to suffer just like many others from BPs misfortune. But that's not a good reason for allowing them to avoid paying for the massive negative externalities they have created. If it costs a year's profits so be it. The value of shares can go up or down.
In case you need some light relief this BP Spills Coffee skit is quite amusing.