Brain Primer explains the psychology behind money, scams, business collapses and everyday decisions, through short illustrated stories and films.https://thebrainprimer.com/enhttps://thebrainprimer.com/cobra-effect/https://thebrainprimer.com/cobra-effect/Why paying for results so often backfires: Delhi's cobras, Hanoi's rat catchers, a bank's fake accounts, and the question that catches it in ten seconds.Sun, 15 Nov 2026 06:30:00 GMTIncentives & Game Theoryhttps://thebrainprimer.com/why-fines-backfire/https://thebrainprimer.com/why-fines-backfire/A daycare fined parents who came late and got more late parents. What a fine, a fee or a payment can quietly switch off, and how to keep it on.Sun, 15 Nov 2026 06:29:00 GMTIncentives & Game Theoryhttps://thebrainprimer.com/bigger-bonus-worse-performance/https://thebrainprimer.com/bigger-bonus-worse-performance/Researchers in India offered villagers up to a month's spending to win simple games. What the biggest prize did, and when big rewards help or hurt.Sun, 15 Nov 2026 06:28:00 GMTIncentives & Game Theoryhttps://thebrainprimer.com/when-paying-for-results-works/https://thebrainprimer.com/when-paying-for-results-works/One company paid installers per windshield and output rose about 44 percent. Why it worked when bounties, fines and big bonuses backfired.Sun, 15 Nov 2026 06:27:00 GMTIncentives & Game Theory