Since 1972, the General Social Survey has periodically asked whether people are happy with Yes, Maybe or No type answers. Here I use a net "happiness" measure, which is percentage Yes less percentage No with Maybe treated as zero. Average happiness is around +20 on this scale for all respondents...

We examine whether financial incentives affect fertility and family planning. We use a reform reducing child benefits paid to larger families together with Danish longitudinal register data on the universe of legal abortions and birth control pill purchases to address this question. We find that...