Coibion, Olivier; Gorodnichenko, Yuriy; Koustas, Dmitri - 2017
measurement of consumption inequality. A decline in shopping frequency as households stock up on storable goods (i.e. inventory … behavior) will lead to a rise in expenditure inequality when the latter is measured at high frequency, even when underlying … consumption inequality is unchanged. We find that most of the recently documented rise in expenditure inequality in the U.S. since …