Inflation Risk Premium Derived From Foreign Exchange Options

15/04/2007 |  Azoulay Eddy, Brenner Menachem, Landskroner Yoram
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Monetary Policy and Inflation
Inflation Risk Premium Derived From Foreign Exchange Options
Eddy Azoulay, Menachem Brenner and Yoram Landskroner
Abstract
Inflation expectations are a key economic variable for investors in capital markets and for economic policy decision makers. One of the widely used sources for deriving inflation expectations is market price of bonds. The yield differential between nominal bonds and inflation-indexed (linked) bonds is taken to be an estimate of expected inflation. The problem is, however, that in a risk-averse world the yield differential includes an inflation risk premium and thus the yield differential provides an upward bias of inflation expectations. The novelty of our paper is that we estimate this risk premium using the volatility implied in options prices. In the absence of a market in options on inflation we use prices of foreign currency options to estimate this risk premium. The theoretical foundation of our methodology is purchasing power parity theory. The Israeli financial market has both, an inflation-linked and unlinked bond market and an active FX options market. Using data from both markets we find a statistically and economically significant inflation risk premium.
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