Great idea! I'm afraid this would require at least a hundred employees to keep it current and useful, though. But, as a society, we definitely need this. Maybe if some government agency could back it up?
Change in price over time is irrelevant for making a decision on whether or not something is worth the utility to price ratio now. If you are trying to time the market on junk food, then it is best to simply avoid it.
If, for some reason, you want to prevent Mondelez, or whichever other manufacturer, from earning more profit margin than it historically has, then you can look up their public financials most of the time:
https://www.macrotrends.net/stocks/charts/MDLZ/mondelez/prof...
To put factual and open information out there of how companies consistently just fuck with all of us and get away with every little thing they can because "profits!" and "their duty to investors!". e.g., the biggest lies our societies ever came up with
And that purchasing power of currencies will go down over time.
This is only true when you keep printing more of it. The creation of currency outpacing the creation of value is inflation.
There was over a decade of QE which the rainmakers said would totally cause inflation. It didn’t.
Then there were supply side shocks which would definitely only cause transitory inflation. Also wrong.
Then we learned that sentiment causes it, and in the middle of terrible sentiment inflation went down.
Every complex problem has a simple, intuitive, easy to understand wrong answer. It is not an exaggeration to say that we do not know what causes inflation.
False