737823 said:Bob, if anything the CPI overestimates changes in the overall price level because it is structured as a Laspeyres Index, a fixed basket of good that does not adjust for the substitution effect that occurs at higher price levels. Sound academic research has long supported this principle. Say in 2003 a cheeseburger cost $2 and pizza was $3, fast forward to 2013 and that same cheeseburger costs $2.75 but the pizza is now $3.50, people substitute their preferences on the quantity of goods demanded at different price levels so your overall welfare has not been reduced by as much as the CPI would suggest. Another flaw with CPI is that the basket is fixed-consumers once purchased cassette tapes but didn't subscribe to smart phone service, point is it doesn't closely align with actual changes in purchasing power. Additionally different regions have experienced different changes in relative price levels especially for things like education, energy, healthcare, housing, etc. So the changes in your real earnings are very different than an overhaul mechanic working in TUL. Has your real purchasing power declined since 2003? Without a doubt but not nearly to the tune CPI modeling suggests.Josh
Thats the spin you spout out from behind an alias, probably so your aged parents don't whack you if they hear you telling such lies, seniors are the biggest victims of the flawed CPI because one of the reasons why they do it the way they do is to screw seniors out of much needed raises to Social Security. Your substitution "let them eat cake" theory about not being harmed is bull because the fact is those cheaper substitutes were available before the staples became too expensive. Thats like saying if you are forced to move out of your home in Hewlett Harbor over to Far Rockaway that you were not economically harmed because you still have a home, just substituted a less expensive one for the more costly one.
The basket of goods is periodically updated to account for changes in Technology, but as I said they added a value index that shows the price declining when thats the new baseline of whats available. Besides electronics tend to be things that will last for several years, not purchased over and over again like food, energy, insurance and taxes. I agree that the effects of CPI are hard to measure and vary because each persons costs are affected by what they spend their money on, my purchasing power of an hours worth of labor has declined by over 50%. Much more than the understated CPI. Some of the loss of disposable income from each hour of labor was eaten up by large property tax increases and nearly as large increases for medical coverage and other medical related costs, not due to illness but higher premiums, copays, deductibles etc. These things aren't even factored into the CPI but if its sold as a measure of the cost of living then they should be.