Via Mark Thoma and others, the libertarian blogger Megan McArdle, who was last seen claiming that supply siders have "been rather thin on the ground lately," had a review spiked for admitting that tax cuts don't increase revenue:
A conservative publication, which I will not name, just spiked a book review because I said that the Laffer Curve didn't apply at American levels of taxation, even while otherwise expressing my vast displeasure with the (liberal) economic notions of the book I was reviewing. This isn't me looking for an alternative explanation for the spiking of a bad review: the literary editor accepted it, edited it, and then three hours later told me it couldn't be published because it violated their editorial line on taxation.
I suppose I ought to have known, but I didn't. Go ahead liberals, pile on: you told me so. The Laffer Curve and the supply siders pushing it seem to be the teacher's unions of the right.
I'll skip the gloating. But as Kevin Drum, Ezra Klein, and Matthew Yglesias point out, the equivalence between teacher's unions and supply siders seems misleading. While both are influential interest groups, liberals frequently bash teacher's unions in print. More importantly, teacher's unions don't enforce an implausible empirical claim as a litmus test.
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