Price Worth Paying?

The Bank of England director for financial stability Andy Haldane says in an interview that if new regulation drives parts of the finance industry from the City of London that may be a "price worth paying". He fears a "doom loop" where banks know tax-payers will always bail them out so they take riskier decisions.
Plus ecology and finance. Professor Andrew Lo of MIT reveals what plants and animals can teach humans about the way money markets work.