4min chapter

The Rational Reminder Podcast cover image

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

The Rational Reminder Podcast

CHAPTER

Is the Marka Portfolio a Passive Portfolio?

When we measure skill as added evidence say about managers, oh, it's oveverwhelming. I think that te important thing to understand is we have to be very clear on what patof investment is, you know, hat passive. If somebody has more information than you and you trade with him, you're on the losing side. But if you move away from that, it's no longer a passive portfolio. And ac its more subtle than that. It's not just don't trade, but why the market? Why not just any portfolio? The reason why the market is particularly good is you'r buying it in the economy wide wass you're not emphasizing any stock. Somebody with

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