It is the 100th anniversary of Irving Fisher’s 1911 book The Purchasing Power of Money. But, more important than that, it is a good time, during the current financial turmoil, to reconsider some of his theories again, in light of current events. And I think that some of his theories about...

Turner's book presents a new approach to monetary theory and policy. What's novel in Turner's book is not the proposition that debt can be dangerous, but that debt is what modern financial systems naturally create; and always to excess. Debt as an economic evil is an old characterization....