Conde Nast Portfolio, April 2009

March 18, 2009

The Steve Jobs Economy.

A back-of-the-envelope assessment of how much the ailing CEO has been worth to Apple and to the tech industry overall.



Conde Nast Portfolio, March 2009

February 13, 2009

Fare Value

A back-of-the-napkin estimate of how much New York could get if it decided to put its transit system on the block.


Conde Nast Portfolio, November 2008

October 15, 2008

The Giving Game: Billionaire Edition.

In the upper tier of philanthropy, it’s not just about the cause and the gift. It’s about outdoing the other guy. Here is Condé Nast Portfolio’s look at which billionaires are giving the most, relative to their wealth; which are giving the least; and who is refusing to say.

Conde Nast Portfolio, November 2008

October 15, 2008

The Bond Market.

A rough estimate of how much the world’s most famous spy has brought in since his debut in 1953.

Conde Nast Portfolio, October 2008

September 27, 2008

The Tab For The Four Seasons

A back-of-the-napkin estimate of the value of New York’s legendary power-lunch spot.

Conde Nast Portfolio, June 2008

May 12, 2008

The Confessions of Barry Diller.

The media mogul almost lost it all in an epic battle with partner John Malone. Now he talks about what went wrong —and how he plans to reinvent himself one more time.

Conde Nast Portfolio, April 2008

April 14, 2008

The Escort Economy

A back-of-the-pillowcase analysis of just how big the high-end call-girl business really is.