Paul's Blog

Tax, Cut, Sell, Or…

23rd April 2009 Paul 0

First my standard disclaimer, Economics Makes My Brain Hurt. I am but a mathematician, and businessman, I suppose. And although I cannot and do not claim to know anything about running a country (which is […]

Paul's Blog

Numbers People And Symbols People

21st April 2009 Paul 0

Are you a numbers person or a symbols person? You should instinctively know the answer. Let’s step back a bit, are you a cat person or a dog person? A cat person? Like me then. […]

Paul's Blog

The New Empress’s Clothes

5th April 2009 Paul 0

I apologize in advance for this mini blog. But you all now expect me to get things off my chest, and I do like to tell it how I see it. Nevertheless this still pains […]

Paul's Blog

Control Reversal

5th March 2009 Paul 0

There’s a well known phenomenon in aerodynamics in which a plane’s flight controls appear to do the opposite of what is intended. This can happen at high speed, for example. (I have a vague memory […]

Paul's Blog

Copulas and Cults

24th February 2009 Paul 0

Felix Salmon has written an interesting piece on the copula model. Naturally the model does not come out well. He quotes me, accurately, as disapproving, to put it mildly, of models that depend on correlations […]

Paul's Blog

In Praise of Ponzi

2nd February 2009 Paul 0

Well not really, of course. But there are some people quietly sitting pretty… As it becomes generally accepted that the economy of the west is a giant Ponzi scheme, one should reflect on its positive […]

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