In fighting a financial crisis, opacity (keeping the names of banks borrowing at emergency lending facilities secret) and stigma (the cost of having a bank's name revealed) are desirable to restore confidence. Lending facilities raise the perceived average quality of all banks' assets. Opacity...

This paper analyses the long-memory properties of a high-frequency financial time series dataset. It focuses on temporal aggregation and other features of the data, and how they might affect the degree of dependence of the series. Fractional integration or I(d) models are estimated with a...