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@causalinf OK, energy/IO economists: I bet one of you has a simple explanation for why the regular-premium gas price difference has been increasing over the last 15+ years?!
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@causalinf There are other explanations in the thread, but per Brett (cites this source later in thread): • Relative cost of producing low-octane ↘︎ • Doesn’t look like changes in demand coming from different cars • Study doesn’t investigate pricing/info stories @brett_matsumot0/1186033262193455104