I live in the USA and I am concerned about the future. I created this blog to share my thoughts on the economy and anything else that might catch my attention.
Schedule for Week of February 23, 2025
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The key reports this week are January New Home sales, the second estimate
of Q4 GDP, Personal Income and Outlays for January, and Case-Shiller house
prices...
Predicting Gold Prices with SARIMAX
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*Not investment advice.*
I collected 54 years of gold price data from the St. Louis Fed starting
9/30/71 (end of the US federal government fiscal year afte...
NVIDIA Revisited
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On August 26, 2023, 5 days before it a new closing hi at 493.55, I wrote a
critical post about NVDA - the stock, not the company. After that, the
stoc...
Stay away from popular tech stocks, part II
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Last August, I wrote a blog post arguing that largest technology and
internet companies -- Amazon, Apple, Facebook, Google, Microsoft -- would
never grow i...
So, Where Have I Been?
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Well, of course, I have been where I am!
It's been a good few years away from this blog. I do miss some folks
terrible, and I sort of miss things financial...
Those Whom The Gods Wish To Destroy ...
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they first make mad. Still true!!!
*(Note: this post, and probably several others to follow, are actually
about the US dollar and relative currency trends....
The interesting thing about exponential decay (as seen in the blue trend line) is that unlike exponential growth, it can be sustainable over the long-term. In other words, it is not doomed to fail at some point. Win!
Half-lives are used to describe quantities undergoing exponential decay—for example, radioactive decay—where the half-life is constant over the whole life of the decay, and is a characteristic unit (a natural unit of scale) for the exponential decay equation.
Picture losing half of your net worth every decade. That's kind of how half-life works. You never actually run out of money though. Well, until you are down to a penny anyway. It is difficult to lose half a penny. That said, perhaps the digital age will solve that problem at some point.
We are currently processing your request to withdraw 10% of your retirement income for the year 2019. A check will be sent to you in the amount of $0.0001372. Thank you for banking with us!
1 comment:
The interesting thing about exponential decay (as seen in the blue trend line) is that unlike exponential growth, it can be sustainable over the long-term. In other words, it is not doomed to fail at some point. Win!
Half-life
Half-lives are used to describe quantities undergoing exponential decay—for example, radioactive decay—where the half-life is constant over the whole life of the decay, and is a characteristic unit (a natural unit of scale) for the exponential decay equation.
Picture losing half of your net worth every decade. That's kind of how half-life works. You never actually run out of money though. Well, until you are down to a penny anyway. It is difficult to lose half a penny. That said, perhaps the digital age will solve that problem at some point.
We are currently processing your request to withdraw 10% of your retirement income for the year 2019. A check will be sent to you in the amount of $0.0001372. Thank you for banking with us!
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