The return should reflect such risk factors as the project's technical complexity, the agency's management capacity, the likelihood of cost overruns, and the consequences of under- or non-performance.

WHITEHOUSE: CIRCULAR NO. A-130 Revised

Investors have been put off by this, and by the complexity of the new venture's management (Mr Inoue already admits to a tiff about whether or not to use advertising hoardings).

ECONOMIST: Japanese banking

"Regulators have reduced the complexity of products, but they have increased regulatory complexity so it's more complex for bank management, " he said.

BBC: Davos 2013: IMF official says fixing banking still slow

"Usually, a revocable living trust for someone under 60 is more complexity than is necessary, " says Joan Bozek, a director in Merrill Lynch's private wealth management group.

FORBES: Do You Need a Living Trust?