In this paper we explore the long term movement in the housing prices in select American cities. Using the monthly S&P/Case-Shiller Home Price Indices, we look at the stability of housing prices in 14 selected large American cities. We undertake the ADF (GLS) unit root test for the index in each...

This paper revisits the fractional co-integrating relationship between ex-ante implied volatility and ex-post realized volatility. Previous studies on stock index options have found biases and inefficiencies in implied volatility as a forecast of future volatility. It is argued that the concept...