"We investigate the information content of inter- transaction time and find that it varies both across stocks and over time. On average, inter-transaction time is found to be informative whenever stocks are sufficiently traded. The magnitude of the information content is found to be larger for...

This article describes financial account aggregation and explores potential financial risks to the consumer and account holding financial institutions from aggregation. The current state of the law and contractual relationships relevant to such risks are analyzed. These risks include,...

Why don't people buy annuities? Several explanations have been provided by the previous literature: large fraction of preannuitized wealth in retirees' portfolios; adverse selection; bequest motives; and medical expense uncertainty. This paper uses a quantitative model to assess the importance...