This new book by two distinguished Italian economists is a highly original contribution to our understanding of the origins and aftermath of the financial crisis. The authors show that the recent financial crisis cannot be understood simply as a malfunctioning in the subprime mortgage market: rather, it is rooted in a much more fundamental transformation, taking place over an extended time period, in the very nature of finance.

The 'end' or purpose of finance is to be found in the social institutions by which the making and acceptance of promises of payment are made possible -...