This highflying finance sector presided over a rapid increase in debt: Household debt as a percentage of G.D.P. almost doubled between World War I and 1929.

• 飞速发展的金融部门使得债务急剧飙升：在第一次世界大战和1929年之间，家庭债务额占国内生产总值（GDP）的百分比几乎翻了一番。