In 1989, Wang Fu-chang, an assistant researcher in Academia Sinica's Institute of Ethnology, undertook statistical research into the provincial makeup of the personnel structures of some 2200 of Taiwan's most important businesses. He discovered that in two-thirds of the businesses, at the managerial level and above, there was a high level of personnel of the same provincial background.
中央研究院民族學研究所助研究員王甫昌在民國七十八年時，曾針對台灣兩千兩百多家重要企業的省籍組成狀況做了一項統計研究，結果發現，在三分之二的企業中，老闆與經理級以上人員的省籍同質性極高。