Edited sentence: His critics have argued that mistakes he made played a large part in causing the city's fiscal problems in the 1970s; Lindsay had allowed one in seven New Yorkers to work for the city, with almost as high a proportion receiving welfare; he was perceived as too sympathetic to organized labor, and he had borrowed for operating expenses.Lindsay left office in 1973, having declined to seek a third term as mayor, which was then permitted.The bargains Lindsay made with the unions later contributed to the fiscal crisis of Beame's administration.To secure their political support, Lindsay offered unions large raises the transit workers managed an 18 percent salary increase, an extra week of vacation and fully paid pensions; District Council 37 got a raise and retirement after twenty years; the teachers received increases of 22 to 37 percent