Dienstag, 3. Mai 2011 18:06
Greg Mankiw points to an interesting disagreement among high-profile blogging economists about whether it is possible to tax rich people who don’t consume very much (or who consume the same before and after the tax), or more precisely who actually pays if you do.
As I had previously tweeted, I was quite surprised by Joseph Stiglitz‘ remark that in his opinion there are some convictions that all serious economists should share: „resources are limited, incentives matter“. The context was that he didn’t agree with what many other distinguished economists held should be supported by everybody in the profession. Now, the problem with this greatest common denominator of his is that it is barely more than what I remember from a textbook as the definition of the discipline as being concerned with scarcity.
Is the situation of economics really so dire that after decades of science dealing with numbers from complete (non-inferential, every psychologist’s dream) real-world datasets, basic public policy issues are still in the realm of ideology? It seems so. Now, before (as usual …) arguing for a constructivist turn, let me put some of the central irreconcilable statements side by side:
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