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Rehypothecation refers to the practice of re-using (selling or pledging as collateral) an asset that has already been … pledged as collateral for a loan. We develop a dynamic general equilibrium monetary model where an “asset shortage” motivates …
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"One key stylized fact in the empirical option pricing literature is the existence of an implied volatility surface (IVS). The usual approach consists of fitting a linear model linking the implied volatility to the time to maturity and the moneyness, for each cross section of options data....
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