Medicion del Desempeno

MICROECONOMICS — the field that focuses on smaller units like households and workers, as opposed to big-picture questions about how national economies function — has embraced real-world data-mining. (Think “Freakonomics.”) Macroeconomics has been slower to change, but the popular success of “This Time Is Different” and related work seems to be changing how macro practitioners approach their craft. It has also changed how policy makers think about their own mission.