“…Those studies whose geographical scope was exclusively the EU were analyzed in depth. There were 17 studies exclusively from the EU [27,33,37,46,47,49,50,87,103,106,117,125,127,139,143,158,163]; 28 studies from EU countries and regions: Austria [73], Denmark [39], Germany [36,56,73,76], Greece [152,160,161,164], Ireland [41], Italy [38,41,154,155,157,162], Lithuania [159], Norway [77], Poland [150,151,153], Romania [156], Spain [31,54,62,75,81,136], and the United Kingdom [146]; 9 studies from the OECD [30,…”