Differentpricemechanisms make theobjectivefunctionsofunitcommitment problems different, which causes traditionalalgorithmsmust betuned to solve unit commitment problems in different markets.
Together with the 30-odd stockbrokers he has hired from Nomura, Japan's biggest stockbroker and his former employer, Mr Kitao runs a finely tuned investor-relations unit at Softbank, which puts out a steady patter of exciting news about the company's new ventures.