The volatility clustering observed in financial market data implies that large net yield shocks increase the probability of a higher future volatility during the price formation. Starting from the ARCH models which were suggested by Engle (1982), a range of models for conditional variances have...

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...