"Miss C" writes to economist Tim Harford:

Dear Economist: Should I take Lehman’s collapse lying down?

I work as an escort in Canary Wharf. I wonder if you might have some sound business advice on how workers in my industry should tackle the sudden drop in demand following the collapse of Lehman Brothers?

It's anecdotal, but this would appear to contradict Sudhir Venkatesh's theory.