New York City’s share of poor people appears to have plateaued since the recession, at 21.4 percent, with more people working in 2012 than the year before, but at lower wages, according to a new city study. Contributing to the city’s economic problems were increases in the number of Asian-Americans, immigrants and residents of Queens slipping into poverty. But under a broader definition of poverty that the city applies, the picture remains grim for a far larger number of New Yorkers. As in 2011, 46 percent, or nearly half of New Yorkers, were making less than 150 percent of the...