17 October 2012
… Now let me give you a ridiculous example to make the point. Don’t take it too seriously. Suppose that some statistician observes that over a long period of time there is a high association, a very good fit, between gross national product and the sales of, let us say, shoes. And then suppose someone [...]
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9 October 2012
The accounting identities equating aggregate expenditures to production and of both to incomes at market prices are inescapable, no matter which variety of Keynesian or classical economics you espouse. I tell students that respect for identities is the first piece of wisdom that distinguishes economists from others who expiate on economics. The second?… Identities say nothing [...]
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