Public Comment on Inflation Measurement
shadowstats.com
shadowstats.com
As a side note, this mistrust of the CPI is something Eric Weinstein loves to bring up, too, with the same narrative about CPI being designed by politicians. After watching him try to convince economists [0][1] of the points made in this article (and avoiding questions that get specific or complex), I'm unconvinced I need to care.
[Edited to add second, more relevant video]
I realized though that I didn't link to the best video to convey my point. Here is a more specific talk on inflation given by him and his wife to a room full of economists: https://www.youtube.com/watch?v=zwiHv7xVQ_c
Notably, the economists in the room point out that the inflation problem has already been tackled from a theoretical angle which does incorporate calculus. However, they say the resulting idea (the Divisia index) isn't practical for nation-level inflation measurements.
So, yes, measures of inflation aren’t perfect. But it’s “not perfect” in the most trivial sense: even some well-chosen single item (Big Mac?) gets you a measure of inflation that will be close enough most of the time. The actual basket improves it from maybe 90 % perfect to 98 %.
You should join some of the Telegram groups. My experience has been generally the opposite.
Checkout the channel for LN support group PlebNet or the PirateChain channel for example.
Anecdotally, having tracked all my expenses since becoming an adult in 2006, in my area I have noticed:
* Food prices 1-1.5x (unchanged to 50% higher or so).
* Rent prices ~2x.
* House prices ~4x.
* Gas prices 1.5x
* Transit prices 1.5x
* Alcohol prices 1-1.2x
* Entertainment prices 1-1.5x
* Newest iPhone 1.8x
* Newest Playstation 1x
The housing crisis stands out as an obvious outlier, but most of this is consistent with inflation in the 2-3% range.
I find it interesting that the PlayStation stayed rather flat, but the iPhone went up so much over time.
8-10% inflation does not sound like it's true, but it's certainly higher than the CPI suggests.
If you could buy all food by weight this would be easier to notice and make an apples to apples comparison. Hat's off to the parent comment if they even tracked it down to the exact amount of food and kept it consistent for years.
Most people set a budget of $X dollars of food that is rather generous and if they get slightly less food they don't notice because they are already buying an excess of calories most of the time.
Most people when buying food budget money, not calories. So if food producers shave off a few ounces over time you won't notice because you already buy a surplus of food to begin with. The surplus just shrinks ever so slightly on the consumers end. That unused 2 ounces at the bottom of the mayo jar is now 1. That pack of fruit snacks has 1 less in the pouch, etc.
It usually takes a dramatic sudden change for most consumers to notice "shrinkflation".
I have noticed that when somebody says "so you are saying/suggesting X," X was never actually said/suggested. A frustrating thing to encounter in a discussion. Sorry if I was unclear.
My total monthly expenses have increased by roughly 50-100% since 2006, but that's also because I now earn more, buy more expensive things like steak and good cheese, and am more physically active so eat larger quantities.
I actually think that I overstated food price increase marginally. Many things I buy are the same price they were 15 years ago.
If anything the only huge inflation I ever see is not in consumer goods, but in appreciating assets.
To break it down further, best unit prices from 2006 to present:
Lean ground beef: $3/lb -> $4/lb
Chicken breast: $26/4kg -> $26/4kg
Pork tenderloins: $2/lb -> $2/lb
Milk: $4/gal -> $4.50/gal
Apples: $0.69/lb -> $0.99/lb
Green Peppers: $0.99/lb -> $1.49/lb
I'll stop there but you get the idea. I've noticed pasta boxes shrinking from 500g to 454g at some point in the last 10 years, as did bacon going from 454g to 375g. But those are fairly isolated changes and bacon prices have also tripled in that time period for some reason.
I've never seen a 500g box of pasta in my entire life.
I've can't remember when apples were cheap, even the cheapest varieties.
Milk is priced by subsidied and loss leaders, so it isn't practical for tracking inflation.
If new iPhone has better quality than old iPhone so that price increase of CPI is not the difference of iPhone prices. You are paying more to get more.
Quality sounds rather subjective and they did not always calculate CPI with taking that into account. Seems like they don't share the criteria they use to determine 'quality'.
They added the quality weight to make the overall numbers look lower. I have zero idea if that distorts it, or makes it more correct.
I found it by googling "CPI quality adjustment".
https://www.bls.gov/cpi/quality-adjustment/questions-and-ans...
They can't take everything into account and hedonic adjustments is used for only small percentage of products. That's one reason why it overestimates inflation.
You can believe they are (slightly) wrong and not be a "conspiracy theorist/thinker" at the same time.
Not really. Details of how CPI is calculated has never been political issue.
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What a brave and stunning public comment!http://www.shadowstats.com/subscriptions
https://web.archive.org/web/20080512223437/http://www.shadow...
... but one might reasonably suppose that part of the public's supposed perception of inflation influenced not just by actual prices but by the way we talk about prices and inflation? I.e. some people that keep talking about inflation being "actually" higher than measured contribute to people believing that inflation is higher.
https://en.m.wikipedia.org/wiki/Talk:Shadowstats.com#Shadows...
Also, RationalWiki:
A poorly done critique increases rather than diminishes the credibility of the target.
What in your life costs 500%+ more than it did in 1995 for the same product? No need for in-depth debunking when it's self-evidently nonsense.
Reflexively, I thought of housing (Seattle area), but apparently that has only increased by 270% since 1995.[1]
A new Civic costs something like 80% more than a 1995 one and is a remarkably nicer car. Gas prices are up something like 200% since then (but basically unchanged since the mid 2000s), but cars are far more fuel efficient so even that impact is blunted.. groceries, appliances, furniture, restaurants, entertainment...
If interest rates were to go to 8% overnight, besides crashing the global economy you’d see home prices cut in half. Homes are priced at what people that want to live there are able to pay per month. As interest rates fall home prices rise. Like I said certain markets have outpaced but their median incomes have outpaced as well. This makes sense as the upper middle class has grown a lot the last 40 years to make up much more of the population by percentage (there’s a lot more high paying professional jobs today) and people like to live among people of similar financial classes for obvious reasons.
Only shelter part of housing is in the CPI.
It might be accurate to say the cost of your dreams or goals is increasing faster than official statistics.
- Studies on CPI indicate that CPI is overestimated, not underestimated.
- It's known fact that inflation does not match the common experience. It's solely because people remember easier large price increases and can't weight them correctly.
- There are other measures but they have even worse problems. For policy issues core CPI is better.
However, because CPI is done at the national level while people typically live in one area, it is possible that HN readers in SF or wherever experience higher inflation than the CPI calculates. Certainly their rents have gone up much more than someone's in Kansas City.
It could even be that most people experience above-average inflation, because there are places with relatively low population but very low, relative, inflation dragging the averages down.
If that is the case, it might be possible to alter how geographic aggregation works to calculate a CPI-for-median-consumer that better captures the common experience. This might be better for some policy purposes, as well.
The former usually results in the latter, but not always, and sometimes with lag. And sometimes prices can rise without an increase in the money supply, for other reasons - a decrease in supply, an increase in demand due to some other factor than monetary inflation, etc.
And that's not to mention the different measurements of money - M0, M1, etc. - as subsets of monetary inflation.
I wish economists and journalists would better differentiate by using "monetary inflation", "price inflation", and/or other qualifiers for exactly which one they're talking about.
[1] https://en.wikipedia.org/wiki/Inequality_of_arithmetic_and_g...