182 posts on "Banks"
March 30, 2011
Why Do Central Banks Have Discount Windows?
Though not literally a window any longer, the “discount window” refers to the facilities that central banks, acting as lender of last resort, use to provide liquidity to commercial banks. While the need for a discount window and lender of last resort has been debated, the basic rationale for their existence is that circumstances can arise, such as bank runs and panics, when even fundamentally sound banks cannot raise liquidity on short notice. Massive discount window borrowing in the immediate aftermath of the September 11 terrorist attack on the United States clearly illustrates the importance of a discount window even in a modern economy. In this post, we discuss the classical rationale for the discount window, some debate surrounding it, and the challenges that the “stigma” associated with borrowing at the discount window poses for the effectiveness of the discount window.
Posted at 10:03 am in Banks, Central Bank, Financial Institutions, Lender of Last Resort | Permalink
March 28, 2011
How Were the Basel 3 Minimum Capital Requirements Calibrated?
One way to reduce the likelihood of bank failures is to require banks to hold more and better capital. But how much capital is enough? An international committee of regulators recently reached a new agreement (called Basel 3) to impose new, higher standards for capital on globally active banks. The Basel 3 common equity minimum capital requirement will be 4.5 percent plus an additional buffer of at least 2.5 percent of risk-weighted assets (RWA). Are these numbers big or small—and where did they come from? In this post, I describe how the new Basel capital standards were calibrated.
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