WHAT MAKES INVESTORS SHORT SELL ETFs?

What makes investors over or underweight ?

Using data from the IMF Coordinated Portfolio Investment Surveys conducted in 2001, we analyze the determinants of 31 countries’ international equity holdings. We show that investors in all countries underweight U.S. equities in their portfolios, many by more than they underweight foreign equities in general. Such behavior is surprising given the common perception of the United States as a desi...

Polymeric Gas Separation Membranes: What Makes them Industrially more Attractive?

What Makes

Abusing ETFs

Do ETFs, one of the most popular investment products in recent times, benefit individual investors? Using data from one of the largest brokerages in Germany, we find that individual investors do not improve their portfolio performance, even before transactions costs, by using these passive products. Using counterfactual analysis, we show that this occurs mostly from buying ETFs at “wrong” point...

Intracoronary brachytherapy: time to sell short?

The introduction of innovative new devices and drugs has been a major influence in the dissemination of catheter-based coronary revascularization procedures into clinical practice. Systematic appraisals of effectiveness have typically come only after regulatory approval and widespread clinical acceptance. Consideration of the potential economic implications of these technologies, if performed a...