Marco, Bianchetti (2011): The Zeeman Effect in Finance: Libor Spectroscopy and Basis Risk Management.

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Abstract
Once upon a time there was a classical financial world in which all the Libors were equal. Standard textbooks taught that simple relations held, such that, for example, a 6 months Libor Deposit was replicable with a 3 months Libor Deposits plus a 3x6 months Forward Rate Agreement (FRA), and that Libor was a good proxy of the risk free rate required as basic building block of noarbitrage pricing theory. Nowadays, in the modern financial world after the credit crunch, some Libors are more equal than others, depending on their rate tenor, and classical formulas are history. Banks are not anymore “too big to fail”, Libors are fixed by panels of risky banks, and they are risky rates themselves. These simple empirical facts carry very important consequences in derivative’s trading and risk management, such as, for example, basis risk, collateralization and regulatory pressure in favour of Central Counterparties. Something that should be carefully considered by anyone managing even a single plain vanilla Swap. In this qualitative note we review the problem trying to shed some light on this modern animal farm, recurring to an analogy with quantum physics, the Zeeman effect.
Item Type:  MPRA Paper 

Original Title:  The Zeeman Effect in Finance: Libor Spectroscopy and Basis Risk Management 
Language:  English 
Keywords:  crisis; liquidity; credit; counterparty; risk; fixed income; Libor; Euribor; Eonia; yield curve; forward curve; discount curve; single curve; multiple curve; collateral; CSAdiscounting; liquidity; funding; no arbitrage; pricing; interest rate derivatives; Deposit; FRA; Swap; OIS; Basis Swap; Zeeman; Lorentz; quantum mechanics; atomic physics 
Subjects:  E  Macroeconomics and Monetary Economics > E4  Money and Interest Rates > E43  Interest Rates: Determination, Term Structure, and Effects G  Financial Economics > G1  General Financial Markets > G12  Asset Pricing ; Trading Volume ; Bond Interest Rates G  Financial Economics > G1  General Financial Markets > G13  Contingent Pricing ; Futures Pricing 
Item ID:  42247 
Depositing User:  Marco Bianchetti 
Date Deposited:  28. Oct 2012 03:50 
Last Modified:  09. Sep 2015 03:43 
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URI:  https://mpra.ub.unimuenchen.de/id/eprint/42247 