Calibrating option pricing models to market prices often leads to optimisation problems to which standard methods (like such based on gradients) cannot be applied. We investigate two models: Heston's stochastic volatility model, and Bates's model which also includes jumps. We discuss how to...

This working paper is written by Jerry Cao (Hang Seng University of Hong Kong), Wenlian Lin (Chinese University of Hong Kong, Shenzhen) and Yong Li (University of International Business and Economics).Market liquidity evaporation is often accompanied by investors’ attention to risks. We...

This paper revisits the Kareken-Wallace model of exchange rate formation in a two-country overlapping generations world. Following the seminal paper by Arifovic (Journal of Political Economy, 104, 1996, 510-541) we investigate a dynamic version of the model in which agents' decision rules are...

Sticky costs materialize when costs increase more with rising an activity than they decrease with falling of the very same amount of the activity. Over time a silent diffusion of sticky costs can be observed in the HoReCa (HOtel/REstaurant/CAtering) industry. In sticky costs literature the cost...

We propose a consumption-based model that allows for an inverted term structure of real and nominal risk-free rates. In our framework the agent is subject to time-varying macroeconomic risk and interest rates at all maturities depend on her risk perception which shape saving propensities over...