Should shocks be part of our macro-modeling tool kit - for example, as a way of modeling discontinuities in fiscal policy or big moves in the financial markets? What are shocks, and how can we best put them to use? In heterodox macroeconomics, shocks tend to come in two broad types, with some...

With economic growth having cooled to less than 1 percent in the first quarter of 2007, the economy can ill afford a slump in consumption by the American household. But it now appears that the household sector could finally give in to the pressures of rising gasoline prices, a weakening home...