It was produced at the end of 19 and the beginning of the 20th century. In 1930s, "200 households" controlled the national economy of France. After World War II, there were about 10 financial groups that played a decisive role in the French economy. At present, the most important ones are ABN Bank of America, Rochelle Bank and BNP Paribas. American monopoly capital also invaded France on a large scale after the war. In order to strengthen its own competitiveness, French monopoly capital not only accelerates the merger between its own monopoly enterprises, but also conducts supranational alliances with monopoly enterprises in other western European countries such as West Germany (this trend is more obvious after the 1960s), so as to further resist the competition of American monopoly capital and consolidate its economic position.