Podcast summary
Before Kalshi and Polymarket there was the Iowa Electronic Markets
Prediction markets beat polls via real-money incentives
Prediction markets evolved from centuries of wagering, but modern results hinged on trading incentives: the Iowa electronic market predicted presidential outcomes far more accurately than major polling, because money concentrates beliefs.
Markets worked because elite traders hedged risks
Historical election betting wasn’t just hobbyist speculation; public trading by political and financial elites enabled hedging against policy risk, and that active, self-interested participation likely sustained accuracy.
Decline wasn’t performance—it was attention and frequency
Election markets faded when newspapers preferred polls and when traders’ interest dissipated because elections were too infrequent versus frequent horse races; demand followed available play, not superior prediction.
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