The Volcker Rule aims to get rid of proprietary trading, as well as the less-obvious transactions that may look like regular market-making for clients.
But Mr Musk is equally forceful when he says that "NASA's most valuable role is to fund advanced science projects such as the Hubble space telescope or the Curiosity Mars rover things that are valuable for humanity as a whole [and] where there's not an obvious commercial transaction".
The economic gains are obvious, as transaction costs are drastically reduced and the use of idle resources is improved.
If the economy and the stock market get much worse, an angry jury might decide that fraud is obvious if transactions had no purpose other than to make financial statements appear deceptively attractive.
"They didn't answer the obvious questions: 'Is the transaction real, or does it look synthetic?
The UnitedHealth Group, Aetna and Cigna all have their own pharmacy operations.. "We expect the obvious benefits of this transaction to customers and shareholders should prompt other managements to create value" through similar actions, he said.
Although less obvious, a second source of transaction costs -- bargaining and deciding -- is potentially as important.
Executive compensation was an obvious one, but related-party transactions among directors also seemed to anger company owners.
But LearnVest said it doesn't store any password or other personal data on its site, with the obvious exception of your financial transactions.
