Robert Barro of Harvard recalls the days when he did work on Keynesian macroeconomics.

MF loans react to economic conditions but are also sensitive to political-economy variables. Loans tend to be larger and more frequent when a country has a bigger quota and more professional staff at the IMF and when a country is more connected politically and economically to the United States...

A discretionary policymaker can create surprise inflation, which may reduce unemployment and raise government revenue. But when people understand the policymaker's objectives, these surprises cannot occur systematically. In equilibrium people form expecta

Altruistic parents make choices of family size along with decisions about consumption and intergenerational transfers. The authors apply this framework to a closed economy, where the determination of interest rates and wage rates is simultaneous with the determination of population growth and...