General Equilibrium Pricing of Cpi's Derivatives
Posted: 15 Apr 2004
Abstract
We examine the issue of pricing futures and option contracts written on the Consumer Price Index (CPI), the change of which is a measure of inflation affecting the economy. Traditional approaches postulate an exogenous process for the price level and then derive CPI derivatives prices by standard arbitrage arguments. By contrast, we build the general equilibrium of a continuous time monetary economy that is affected by both real and nominal shocks. The price level and thus the inflation rate are found endogenously and solutions for the prices of CPI derivatives are obtained, which are in closed form in a specialized version of the economy.
Keywords: Endogenous Price Level, Inflation Risk Premium, Money Non Neutrality, Options
JEL Classification: E31, E32, E43, E52, G12, O42
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