The sources of deflation are not a mystery. Deflation is in almost all cases a side effect of a collapse of aggregate demand.. a drop in spending so severe that producers must cut prices on an ongoing basis in order to find buyers.
Ben BernankeThe more important reason is that the research itself provides an important long-run perspective on the issues that we face on a day-to-day basis.
Ben BernankeInvestment banks manage to go bankrupt through their investment-banking activities, commercial banks manage to go bankrupt through their commercial-banking activities.
Ben Bernanke