The index has been published for a bit over a decade now, and the U.S. winds up in the lower-middle grouping—Biggs comments that “this index should be treated with caution because it is not a measure ...
Biggs classifies the debate here as one between facts and factoids, noting that “most of Ghilarducci’s 10 factoids are either true but trivial or nontrivial but untrue.” The claim that one-fifth of ...