I blogged on this topic last year but below is a useful video from the Wall Street Journal (WSJ) on how bubbles are so difficult to predict with some examples from Gamestop to Tulips. A graphical explanation follows after the video.
I picked up this graphic and explanation from The Geography of Transport Systems by Jean-Paul Rodrigue (2020)
It is apparent that business cycles aren’t those smooth ups and downs as depicted in a lot of textbooks but more volatile with booms and busts. Central banks appear to play their part in this process with the low cost of borrowing feeding the boom phase of the cycle. Instead of economic stability regulated by market forces, monetary intervention creates long-term instability for the sake of short-term stability.
Bubbles (financial manias) unfold in several stages, an observation that is backed up by 500 years of economic history. Each mania is obviously different…
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