というNBER論文が上がっている(ungated版)。原題は「 Who Voted for Trump? Populism and Social Capital」で、著者はPaola Giuliano(UCLA)、Romain Wacziarg(同)。 以下はungated版の結論部。 We document a robust negative relationship between social capital and various measures of preferences for Donald Trump around the time of the 2016 Presidential election. Whether measured by vote shares in the primary and general elections at the county lev