最近,法国经济学家皮凯蒂很火,其新作《21世纪的资本》一经出版,即引发了激烈争论。该书的主题即是贫富差距问题。作者的核心观点是:过去30多年来20多个发达国家的资本与国民收入之比大幅上升,财富所得占整体GDP的比重明显提高,从1975年的20%左右上升到2010年的25%—30%;财富集中度也在大幅上升,如美国1%最富有人群所占资本 Recently, Picchetti, a French economist, caught fire and his new book Capital in the 21st Century was published. The subject of the book is the issue of the gap between rich and poor. The author’s point of view is that the ratio of capital to national income in more than 20 developed countries has risen sharply over the past three decades and the share of wealth in total GDP has risen significantly from about 20% in 1975 to 25% in 2010 - 30%; wealth concentration is also rising sharply, such as the share of the 1% of the richest people in the United States