This paper presents a framework for portfolio optimization that makes three departures from the traditional mean-variance approach. First, we optimize the portfolio over multiple horizons, reflecting the belief that long-term investors care about intertemporal gains and losses, as well as...

Internet searches statistics is a tool that is becoming more important in social science research. We propose to use the Internet search statistics, obtained through Google Insights, as an indicator of confidence or risk aversion of investors. Using this information we developed a Risk Aversion...