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"If you can demonstrate that McDonald’s only introduces the sandwich when pork prices are lower than usual, then you’re but a couple logical steps from concluding that McDonald’s is essentially exploiting a market imbalance between what normal food producers are willing to pay for hog meat at certain times of the year, and what Americans are willing to pay for it once it is processed, molded into illogically anatomical shapes, and slathered in HFCS-rich BBQ sauce." The McRib as arbitrage of pork prices.