This paper examines properties of mean-variance inefficient proxies with respect to producing a linear relation between expected returns and betas. The numerical results of a Monte Carlo simulation show that in the CAPM slightly inefficient, positively weighted proxies cause an almost perfect...

This paper examines properties of mean-variance inefficient proxies with respect to producing a linear relation between expected returns and betas. The numerical results of a Monte Carlo simulation show that in the CAPM slightly inefficient, positively weighted proxies cause an almost perfect...

The sheer existence of EUR/CHF put options with strike prices below the EUR/CHF 1.20 floor, trading at non-zero cost, challenged the full credibility of the Swiss National Bank (SNB) in enforcing the lower barrier implemented in September 6, 2011 and abandoned on January 15, 2015. We estimate...