Emily Oster: 3 things new parents should consider before going back to work
Should you go back to work after having kids? It's an emotional decision, but weighing three factors can make it easier, says author and economist Emily Oster.
Emily Oster: Flip your thinking on AIDS in Africa
Emily Oster re-examines the stats on AIDS in Africa from an economic perspective and reaches a stunning conclusion: Everything we know about the spread of HIV on the continent is wrong.