Only several decades ago, the dating norms that said who paid for a meal were much clearer than they are today because of women's new economic role.
To see what how much we work and sleep and play, and what the GDP does not tell us, we can use the American Time Use Survey.
To find out if a relationship will last, you can ask the New York Federal Reserve Bank about credit cards and assortative mating.
Upsetting the conventional wisdom, researchers recently found millions of "non-existent" women who could enter Chinese marriage markets.
With son preference, limited fertility and social norms, China's and India's sex ratios at birth have created a male glut and new marriage markets.
As female labor force participation increased since the 1970s, so too has the income inequality that resulted from assortative mating of higher earners.
As the pill, education and employment opportunities changed the value of women as wives, the tradeoffs that relate to being married have also changed.
New attitudes that value marriage less and new economics through which women have more pay and education and men work less have changed marriage markets.










