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Trying to calculate inflation
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chipmunk
05-27-2008, 8:41 PM | Post #2522159 |
22 Replies
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If you assume that inflation = dollar devaluation + higher oil prices (oil-based economy), then, IMO, annual inflation is running about 26% so far this year (yikes!). I used this chart to do this rough calculation: - USA dollar lost about 5% YTD versus the Chinese yuan (assume this is used for manufactured goods).
- USA dollar lost about 5 1/2 % YTD versus the Japanese yen (assume this is used for cars and electronics).
- USA dollar lost about 7 1/2 % YTD versus the euro (assume this is used for miscellaneous goods)
USA internally experienced inflation due to higher oil prices (trickles down to other goods and services like food, electricity, etc.) of say 10% YTD. Now, for simplicity, if we assume that we get 1/2 of our products abroad from China (manufactured goods), Japan (cars and electronics), and the Middle East (oil); and 1/2 locally from the USA (services, food, utilities, and health care) that itself experienced inflation, then: - YTD inflation = 1/2 x (5% + 5 1/2% + 7 1/2%) / 3 + 1/2 x (10%) = 6% + 5% = 11%.
- Annual equivalent inflation = 12 months / 5 months (assume this is end of May) x 11% = 26%
Thoughts? Too high? Sounds about right? Too low?
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ChinaHealth CareMiddle Eastoil pricestarget
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Re: Trying to calculate inflation
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mattwright
05-27-2008, 9:16 PM | Post #2522170
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Considering that you're just making things up, I would expect it to be highly inaccurate. Right off the bat, you double count dollar devaluation, which is already included in oil prices. From there, it got worse.
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dollar
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Re: Trying to calculate inflation
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EagleTed
05-27-2008, 10:34 PM | Post #2522198
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If you don't like the CPI numbers, see what the market is pricing government bonds and you'll get a fair idea of what the inflation rate is. Don't like that, look at 30 year mortgage rates. Banks stay in business by staying ahead of inflation. Don't like that, keep good records and see how your cost of subsistence has risen/fallen. Don't include any luxury items. And adjust for seasonal use of energy, etc.
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marketbank
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Re: Trying to calculate inflation
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BestReturns
05-27-2008, 10:55 PM | Post #2522202
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Inflation is measured by the Consumer Price Index. You can argue about CNPI, but it as fair a measure as we have here in the US. Of course, if you commute by car for 2-hours per day, your personal rate of inflation is much higher than what might be measured by CNPI. Here's an one year chart of the CNPI showing 3.9% inflation since May 27, 2007.
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inflationdollarchart
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Re: Trying to calculate inflation
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Limoman
05-28-2008, 10:29 AM | Post #2522292
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Re? maybe, then again Maybe Not IMC? I adjust every yr per what my Actual Costs were the previous yr + 4%! eg: So far this yr? My Budget is + 7% in costs vs last yr.. There are so many 'Spin Dr.'s" in the Gov't and from other places, You can't tell without a Score Card anymore.. For the past 10 yrs? I've averaged + 6.8% apy Consuming the same in each catagory.. 3% Inflation? yeah , right.. in the 60-70's maybe...Not anymore..
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inflation
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Re: Trying to calculate inflation
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chipmunk
05-28-2008, 11:16 AM | Post #2522302
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Few responses: Okay, so maybe I'm guessing a bit here, and I double-counted with the oil thing, but I'm trying to get a ballpark figure. If we just look at dollar devaluation and nothing else, we can still say inflation is running at least 5% YTD on the conservative side, or roughly 12% on an annual basis. That is still tough. I agree with Limoman, in that my personal annual inflation rate this year is above the CPI. Didn't someone come up with some simple way of calculating inflation, like a basket of commonly purchased items? How about this: (1) a mortgage payment based on the median home price (this may skew inflation down right now, and may be why the CPI is so low) or average rent payment, (2) an average monthly utilities bill for a median home (fixed size), and (3) a basket of typical (fixed list) groceries for a month.
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inflation
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Re: Trying to calculate inflation
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EagleTed
05-28-2008, 1:32 PM | Post #2522331
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Limoman:Re? maybe, then again Maybe Not IMC? I adjust every yr per what my Actual Costs were the previous yr + 4%! eg: So far this yr? My Budget is + 7% in costs vs last yr.. There are so many 'Spin Dr.'s" in the Gov't and from other places, You can't tell without a Score Card anymore.. For the past 10 yrs? I've averaged + 6.8% apy Consuming the same in each catagory.. 3% Inflation? yeah , right.. in the 60-70's maybe...Not anymore..
I have no doubt your personal inflation rate has gone up 7% this year, nor do I doubt you cannot project that onto everyone else. Anyone who owns big rigs probably has experienced a higher rate than that, and the last few years anyone who owns real estate and timberland have experienced phenomenal growth in property taxes in many locales. I'm impressed you keep good records. It's awfully important to know how much you have to increase your income to keep ahead of it.
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Re: Trying to calculate inflation
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EagleTed
05-28-2008, 1:34 PM | Post #2522333
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chipmunk:Few responses: Okay, so maybe I'm guessing a bit here, and I double-counted with the oil thing, but I'm trying to get a ballpark figure. If we just look at dollar devaluation and nothing else, we can still say inflation is running at least 5% YTD on the conservative side, or roughly 12% on an annual basis. That is still tough. I agree with Limoman, in that my personal annual inflation rate this year is above the CPI. Didn't someone come up with some simple way of calculating inflation, like a basket of commonly purchased items? How about this: (1) a mortgage payment based on the median home price (this may skew inflation down right now, and may be why the CPI is so low) or average rent payment, (2) an average monthly utilities bill for a median home (fixed size), and (3) a basket of typical (fixed list) groceries for a month.
Why not just survey 80,000 American households each month? Oh, that's right, that's what the CPI is based on.
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Re: Trying to calculate inflation
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pining4Lenore
05-28-2008, 1:59 PM | Post #2522342
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Re: Trying to calculate inflation
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chipmunk
05-28-2008, 3:53 PM | Post #2522365
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Let me add that the CPI number has been revised and re-revised to make changes in how it is calculated. For example, people will switch from steak to ground beef, will spend less on entertainment, and will spend less on fuel as prices go up. It is hard to figure out exactly what CPI means. pining4Lenore:
Interesting...this link implies, based on the original methodology, that inflation is running 12% annually in 2008, which is exactly what you get if you calculate the devaluation of the US dollar.
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inflation
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Re: Trying to calculate inflation
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mattwright
05-28-2008, 4:04 PM | Post #2522366
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Here's my estimate for "real" goods/services inflation: CPI +1% (plus or minus 2%). The numbers from Shadow Stats, Kevin Phillips are implausibly high. Their data would imply that the U.S. has been in a non-stop recession for at least the last decade. I like to share in the gloom and doom, too, but that is just not a realistic representation.
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inflationrecession
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Re: Trying to calculate inflation
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robertts12
05-28-2008, 5:27 PM | Post #2522387
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Matt, according to your informations, the inflation YTD is 8% (not 11%). You forget one division by 2 (the first 1/2, I suppose.
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inflation
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