Bitcoin in particular and so-called cryptocurrencies in general have shaken up the financial world and seem to be … indicate that, as of late, bitcoin has become increasingly interdependent with gold, and seems just as suitable to hedge …

obesity. To date the lack of an acceptable gold-standard for measuring fatness has made it difficult to evaluate alternative … alternative measures of obesity in the absence of a gold standard. Using data from a representative sample of US adults we show … the potential costly policy mistakes that may arise from arbitrarily adopting a single measure as a gold standard. …