Blog

What are the economics of spam?

I just deleted about 8900 comments in the spam folder, and in no time, three more were added. The economics of this are amazing. It’s cheap to send out zillions of messages, even semi-customized ones. But they are obviously ads for junk! Even if you are in the market for Ugg boots, would you be… [Read More]

Hot issues in finance, fall semester 2013

At the start of every semester, I ask my students to list some of the top issues in finance. We’ll review the list at the end of the semester to see if the course gave them any insight. Here’s what students in the two sections of the course came up with: AM Section Unionization and… [Read More]

Niger: Nomads of Niger

Niger’s up for exploration this week. It has a population of 17 million people, and it skews young: the median age is 15, no surprise given that the country has the highest birthrate in the world. The per capita GDP of $800 is among the lowest in the world. This isn’t a country that is… [Read More]

Latest Work

Hedge funds for Dummies Cover

Hedge Funds for Dummies, 2e
My first book has been completely revised! Updated to reflect changing markets, accessible strategies through ETFs, and new potential due diligence pitfalls.

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Latest Work

Cover of Day Trading for Dummies

Day Trading for Dummies, 5e
With five revisions, countless interviews with successful traders, and lots of research, this is the definitive guide to getting started, managing risk, and staying in the game.

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