Over at the Austrian Economists' blog, the comments on one post are mostly about Sraffa versus Hayek. The defenders of Hayek want to redefine the "natural rate" of interest to be the rate that would prevail in a monetary economy if the financial system did not "distort" prices somehow. This definition is opposed to the definition as the interest rate that would prevail in a barter economy. The defenders don't seem to realize that this redefinition addresses neither Sraffa's 1930s point that there are as many natural rates as there are commodities in an intertemporal equilibrium nor the 1960s reswitching results.
A Yahoo group is about Sraffa. Spanish-language discussions do me little good since I am limited to English.
Update: Gabriel Mihalache has a discussion about General Equilibrium theory that ends up overlapping with a discussion of Sraffa.
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