We experimentally investigate the effect of a central bank buying bonds for cash in a quantitative easing (QE) operation. In our experiment, the bonds are perfect substitutes for cash and have a constant fundamental value which is not affected by QE in the rational expectations equilibrium. We...

We present a model in which a long-lived bank endogenously learns about the environment for financial innovation through experimentation on its clients. When the bank has superior knowledge of the state of the world facing its clients, it may engage in inefficient or "reckless" experimentation...