4min chapter

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Jonathan Berk and Jules van Binsbergen: The Arithmetic of Active Management, Revisited (EP.220)

The Rational Reminder Podcast

CHAPTER

Market Timing

In aggregate, say i have a bunch of managers ther are selecting the stocks. And did say everybody's rational in this world, right? So if that's the case, in aggregate, you can just hold the market. And so then you sa, any what? That doesn't make any sense. Passive investors are still trading against active managers. If we know active managers are extracting value from the market, passve messures must be losing on those trades. Abin do the world is full of charlatans. The idea that we're going to get rid of all the cantans in the world is a little naive.

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