alt Hacker NewsNot many people buy GA aeroplanes, so it's a sensible decision for those to receive a lower weighting than other consumer goods in a general purpose index like the CPI.
There is a divergence between the prices of goods the US produces and those that consumers purchase, as measured by the GDP IPD and CPI respectively, but that is not something that is appropriate to measure using one highly idiosyncratic good, nor even a basket of goods like "things I personally want to purchase", if one is wishing to produce numbers that others agree are reflective of the average experience of many.
Yes.
But also, the very point of this entire thread was that even these highly idiosyncratic goods were orders of magnitude more accessible to the median American household back in 1975.
Despite that very same household being orders of magnitude more productive in 2026, thanks to GPS (and the rest of technology).