Perhaps the most striking paradox of modern economics is the existence of near-record levels of involuntary unemployment. Consider: there are millions of people who have bills and obligations to pay, for things that they want to keep (but are in danger of losing to their creditors). Among these millions (and their creditors, perhaps), to dig up an antiquated term, you’d think there would be some double-coincidence of wants. That is, couldn’t they help themselves...

