37 min

Does Advertising Actually Work? (Part 1: TV) Freakonomics Radio

    • Documentary

Companies around the world spend more than half-a-trillion dollars each year on ads. The ad industry swears by its efficacy — but a massive new study tells a different story.

Companies around the world spend more than half-a-trillion dollars each year on ads. The ad industry swears by its efficacy — but a massive new study tells a different story.

37 min

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