What does 50% economic growth look like?

An exploration of what might be

The world averages between 3%-4% real growth per year. Call it 3.5%.

Tyler Cowen, in a recent podcast, assumes AI will add 0.5% growth over the next 20 years. Call it 4 over a sustained period of time. This would roughly feel like the post World War II boom of the 1950s, televisions and cars and homes for the wealthy countries, peace and food for the …