Best of #econtwitter - Week of December 8, 2024: interesting tweets
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Misc
^development accounting, too, almost always assumes constant factor shares and constant returns to scale technology
^good stuff in the replies and QTs
Natural experiment
Charts
^?????????????? what., someone please debunk. is this the quality-quantity tradeoff across species?
^so much for factor price equalization
^this has got to be just measurement error right… ticketing system changed with new train, or enforcement, etc?
^Grok reports that no one replied to mention… the Lucas critique
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Public goods
Fin
Re the Caltrain data, the ticket system did not change and anecdotally the frequency of spot fare checks remained relatively similar (fairly frequently checked during commuting hours at least). Many stops received an extra train or two per hour (commuting times) due to the new schedules enabled by the faster electric train, and there are now two trains per hour on the weekend rather than just one, so I would not be surprised if the increase in ridership is reasonably accurate