科学美国人60秒 SSS 2014-10-13（在线收听）

 Americans are slowly crawling out of recession while averages are earning more. Researchers wonder how the increased income effect charitable giving. So they dove to IS data from 2006 to 2012. They broke the data down by state county Metropolis town area and zip code. The results are 180 billion phil dollars in 2012 covered by 80% of individual donations to charity. The investigators found even the wealthier Americans, to find those making 200,000 a year, were making more in 2012 than they did in 2006. They actually decrease their donation by an average of almost 5%. Middle and lower income Americans, to find those making less than 100,000 a year, increase their charitable giving by almost the same of nearly 5%. This increase came despite the fact that the groups are earning less on average than they had in 2006. The finds chronicle xxx. Even the wealthiest Americans are decreasing their donations by percentage they still give more than 4.5billion dollars in 2012 than they did in 2006 as the wealthiest people capture nearly all of recession recovery. They are doing a trillion dollars better than they did six year earlier, in a rare case of rising tide lifting only sumbles.