Curiously, economists, whose discipline has much to do with human well-being, have shied away from factoring the study of happiness into their work. Happiness, they might say, is an ''unscientific'' concept. This is the first book to establish empirically the link between happiness and...

It takes a woman and a man to make a baby. This fact suggests that for a birth to take place, the parents should first agree on wanting a child. Using newly available data on fertility preferences and outcomes, we show that indeed, babies are likely to arrive only if both parents desire one, and...