Angus Deaton of Princeton University also doubts the claim. It is based, he points out, on charts similar to the one below (left-hand side), which plots national well-being against absolute levels of per person income. In the chart shown, each increment represents an extra $10,000. Sure enough, well-being rises steeply with income, then levels off, just as Lord Layard contends.
基于1个网页-相关网页
应用推荐