Gorton, Gary; Metrick, Andrew; Lewellen, Stefan - National Bureau of Economic Research (NBER) - 2012
We document that the percentage of all U.S. assets that are "safe" has remained stable at about 33 percent since 1952. This stable ratio is a rare example of calm in a rapidly changing financial world. Over the same time period, the ratio of U.S. assets to GDP has increased by a factor of 2.5,...