というNBER論文が上がっている。原題は「Do People Report Happiness Accurately?」で、著者はJames Andreoni(UCサンディエゴ)、B. Douglas Bernheim(スタンフォード大)、Tingyan Jia(レスター大)。 以下はその要旨。 Validation of happiness measures is inherently challenging because subjective sensations are unobserved. We introduce a novel validation method: subjects report how happy they would feel (or did feel) after some specified event, as well as how they wo