CHAPTER 2 Fragile banks
2.1 Introduction
In this chapter, we focus on the role of banks as liquidity providers. We start motivating the needs for liquidity service by a very simple financial friction, that people with investment opportunities—call them “projects” or “assets”—face uncertainties in their preferred timing for consumption. Some investment projects are liquid, that they need only a short time to return, and their returns are usually low—for example, putting cash in a safe deposit box. In contrast, some investment projects are illiquid, that they need time to mature; if an illiquid project matures, its return is usually higher, but if it is interrupted prematurely, or liquidated, its value is much lower. ...
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