What does nostalgia do to our minds — and our wallets? In this talk with Jannine Lasaleta, we talk about her research into the surprising psychological and emotional effects of nostalgia. Why do people become more generous and loose with money when they’re feeling nostalgic? How are companies — and even political campaigns — harnessing nostalgia to influence us? What’s the link between our craving for “authentic” experiences, like sourdough baking or retro products, and our longing for meaning? 

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