“…To date, most studies on clusters comprise detailed case studies on specific cluster areas such as Silicon Valley [1,2], while others describe cluster policies in various countries (several European countries [3,4]; Germany [5][6][7][8]; or France [9][10][11][12]). Moreover, some recent studies empirically evaluate the effects of cluster policies on participant firms using micro data, such as [13][14][15] for Germany, [16,17] for France, and [18,19] for Japan.…”