We use scanner data to estimate inflation rates at the household level. Households' inflation rates have an annual interquartile range of 6.2 to 9.0 percentage points. Most of the heterogeneity comes not from variation in broadly defined consumption bundles but from variation in prices paid for...

A standard approach to estimating structural parameters in life-cycle models imposes sufficient assumptions on the data to identify the \age profile" of outcomes, then chooses model parameters so that the model's age profile matches this empirical age profile. I show that this approach is both...