"Now that oil prices have dropped, that may put pressure on companies to issue with a higher yield, " Mr. Wolman said.

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The persistent war on cash has more to do with moralistic society than it does with civil society as Wolman claims.

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The authors of the other, William Wolman and Anne Colamosca, are respectively a former editor of and writer for Business Week.

ECONOMIST: Sense, nonsense and the global economy

Sarah Wolman, a 42-year-old Montclair resident and nonprofit consultant, said she had "heard great things" about Mr. Alexander but also had a favorable opinion of Ms. Gill.

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Contrary to the thesis of anti-cashist David Wolman, the unbanked and the System D traders will not migrate away from cash unless its replacement offers similar privacy features.

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Mr Wolman and Ms Colamosca also have big ideas.

ECONOMIST: Sense, nonsense and the global economy