We merge detailed household level expenditure data from older households with historical local weather information. We then test for a heat or eat trade off: do houseolds cut back on food spending to finance the additional cost of keeping warm duing cold shocks? We find evidence that the poorest...

The Hamilton method for estimating CPI bias is simple, intuitive, and has been widely adopted. We show that the method confiates CPI bias with variation in cost-of-living across income levels. Assuming a single price index across the income distribution is inconsistent with the downward sloping...

Semiparametric Engel curves are used to infer bias in the Canadian CPI as a Cost of Living Index. The budget share of food has long been used as an indicator of welfare. We compare households with the same levels of CPI deflated total expenditure over the period 1978-2000. Differences in the...