Islamic lending transactions are governed by the precepts of the shariah, which bans interest and stipulates that income must be derived as return from entrepreneurial investment. Since Islamic finance is predicated on asset backing and specific credit participation in identified business risk,...

We analyze the impact of time series dependence in market microstructure noise on the properties of estimators of the integrated volatility of an asset price based on data sampled at frequencies high enough for that noise to be a dominant consideration. We show that combining two time scales for...