Notes on the Research
Supplementary observations, data updates, methodological notes, and reflections on the long-run economic trends examined in the book. Posts are published as new data become available or as developments warrant a closer examination of a specific country or projection.
If short-term forecasts fail, why project eighty years out? Because long horizons focus attention on...
Niger grows in aggregate terms for decades yet ends the century with little per capita progress. This...
Without productivity gains from advanced AI, many wealthy economies would stall. With them, growth stabilizes...
Japan’s trajectory from postwar powerhouse to demographic constraint did not happen overnight. This post...
A 23.7 percent share of global GDP does not mean collapse. It means the relative weight has shifted....
Nigeria’s projected 60.5 trillion dollar economy in 2100 looks implausible at first glance. It is not....