In the buildup to this week’s Consumer Price Index (CPI) report we came across an article on MarketWatch. The author, Jeffry Bartash, closed his remarks with a brief contrast of the CPI with the Federal Reserve’s preferred price gauge, the Personal Consumption Expenditures (PCE) index.
According to Bartash, the PCE index gives less weight to housing than the CPI. Housing costs are the most significant monthly expense for many people. For whatever reason, the PCE index developers at the Commerce Department don’t think this is an important factor for understanding price changes.
Maybe this is why the Fed prefers the PCE index over CPI. Another likely reason is that the PCE index also considers shifts in consumer behavior as a result of higher prices. As elaborated by Bartash:
“A grocery shopper, for example, might buy ground beef instead of ribeye to save money. Or a shopper in a hardware store might buy a cheaper imported tool instead of a more costly American-made one.”
These supposed shifts in consumer behavior may help fabricate the PCE index more to the Fed’s liking. In reality, they make for poor assumptions as to what consumers actually do. Continue reading