In this survey we discuss models with level-dependent and stochastic volatility from the viewpoint of derivative asset analysis. Both classes of models are generalisations of the classical Black-Scholes model; they have been developed in an effort to build models that are flexible enough to cope...

In this paper we analyze in what way the demand generated by dynamic hedging strategies affects the equilibrium prices of the underlying asset. We derive an explicit expression for the transformation of market volatility under the impact of hedging. It turns out that market volatility increases...

Data quality in the Penn World Tables varies systematically across countries that have different growth rates and at different stages of economic development, thus introducing measurement error correlated with variables of economic interest. We explore the seriousness of this problem with three...

This paper explores the impact of New Zealand's exchange rate variability on the tradable sector, and policy options for dampening exchange rate variability. It finds that exchange rate variability in the medium term is likely to have a negative impact on the tradable sector. However, the link...