德國地方政府的行政區域重劃源自十九世紀末，甚至更早以前，不過，實施的範圍有限，而且主要集中在工業發達的魯爾區(Ruhrgebiet)。一直到 1960 年代因為社會變遷、經濟蓬勃發展，機動性的提高，人民對地方政府的要求不斷提高，而地方政府卻因為規模太小、行政能力薄弱，難以滿足人民的需求。而另一方面，由於地方自治的實質內容減少，地方自治的意義不斷被質疑，於是為了強化地方政府的治理能力、提升地方政府的行政能力和效率以及落實地方自治的精神，德國各邦政府從 1960..

The territorial reform in Germany at the local government level began in the end of the 19th century or even earlier. But the scale and the scope of its implementation was very limited and happened in the majority of cases in the Ruhr area. During the 1960s, the social situation had changed greatly, the economy boomed, and the mobility increased; the demand of people for local government had gradually enhanced on the one hand, but the real substance of self-administration had evidently reduced, so that the meaning of self- ad..

有別於戰後以來政治思想史、歷史與文化的研究，多元主義於 1970 年代中期後在日本政治學界正式登場。利用個案研究、深度訪談與調查計量方法，多元主義針對現代日本政治的運作進行實證分析，而日本的政經與社會結構也出現多元化的現象，賦予多元主義解釋的有效性，使得多元主義研究蔚為日本政治學的新潮流。然而，1993 年自民黨的下野，以及聯合政權形態的常態化，政治決定架構出現重大的轉變，多元主義在此挑戰下，採取政策爭論點研究途徑與特定行為者的個案研究，努力建構普遍的解釋模..

Differs to the traditional approaches of political theory history and the historical-cultural studies in postwar Japan, the pluralism approach had been introduced and connected to Japan’s political studies since the mid-1970s. Because of various changes of political, economic and social structure in Japan, the pluralism approach, which especially emphasizes on the research methods such as case study, in-depth interview and survey study, was efficiently utilized to analyze Japan’s practical politics and gradually b..