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Tokugawa's Generals, and Being a Great Follower

Good questions from a reader -

There are some questions I want to ask you about the shogun era.

Why didn't the generals around Tokugawa Ieyasu aim for more power?

What were their end game?

"Based on the exhaustion of opportunities ... economic growth in developed countries will end sometime after 2030"

On Isaac Lewis

Came across this interesting article on Wikipedia today: Productivity improving technologies (historical)

"The years 1929-1941 were, in the aggregate, the most technologically progressive of any comparable period in U.S. economic history." Alexander J. Field

"As industrialization has proceeded, its effects, relatively speaking, have become less, not more, revolutionary"...."There has, in effect, been a general progression in industrial commodities from a deficiency to a surplus of capital relative to internal investments". Alan Sweezy, 1943

The most interesting takeaway was that productivity growth has been declining since World War II. That is, change isn't accelerating, but decelerating.

Most of the technologies in the article were developed during the industrial revolution, with a big cluster between 1870 and 1910: cars, trains, factories, electricity, aeroplanes, telegraphs, telephones.

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