Don't be afraid to fail, advises
Freakonomics guest blogger Tim Harford:
Ideally, I’d like to see many more complex problems
approached with a willingness to experiment. The process has three
components: first, try lots of different things; second, make sure
the experiments are at a small scale so that when things go wrong,
it’s not a catastrophe; and third, make sure there’s a reliable way
to tell the difference between success and
failure.
Of course, Harford is talking about...
