A cure for traffic jams: Jonas Eliasson

Laws that incentivize good behavior work better than those that simply prohibit, says scientist Jonas Eliasson. Through his research on traffic congestion charges, he reveals the power of incentives to achieve meaningful social change. (Filmed at TEDxKTH.)

Each week, we choose four of our favorite talks, highlighting just a few of the enlightening speakers from the TEDx community, and its diverse constellation of ideas worth spreading. Browse all TEDxTalks here »

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