That looks like a big difference if you take the numbers out of context. But consider how much the economy has changed since the 70s: there has been a doubling

That looks like a big difference if you take the numbers out of context. But consider how much the economy has changed since the 70s: there has been a doubling of output through revolutions in technology, finance, energy, medicine, everything. Equitable growth would be 100% growth over that period. True, there is a margin of error between different methodologies. CPI shows about half a percent more inflation per year than PCE. Similar arguments apply to measurements of climate change. They miss the forest for the trees.