The catch is that we are too close to the “edge” to be testing an increase in interest rates. Economies, below a certain “stall speed,” cannot repay debt with interest, and cannot hope to provide entrepreneurs with an adequate return on investment. Our low rate of growth is already close to this stall speed.

~ Gail Tverberg from, Raising Interest Rates Is Like Starting a Fission Chain Reaction

There’s a graph early on in this article that is, frankly, alarming.

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