Investment Chart Kondratiev Wave

Investment Chart Kondratiev Wave

Friday, 10 October 2025

where are we: 1998/99, 2012/13 or 1947?

1998/1999 is the most popular. You have a tech bubble, now in AI, then in internet. There were some major disturbances that didn't hurt the US economy. Then it was the Asia/Russia crisis plus a hedge fund too big to fail that had to be rescued by the FED. Now we have the Trump tariffs and sudden immigration stops, problems in Europe (france, Germany, war Ukraine). The tariffs are biting less than feared because of tremendous AI spending, investments that are hugely profitable for a lot of companies with a high weight in the US indices and propping up economic growth wthc. 1%. Just like after 1995 monetary policy is more ample than was expected given inflation and economic growth. .


Ryan Detrick thinks 2012


It is about the same story after 2009: big economic problems in Europe that didn't produce low growth in the US. Technology was marching on, the recovery of the blow in 2008/9 had not yet ended.

It could also be like 1946/1948, a very disappointing period for equities. After the end of WWII hopes were high: the soldiers could now do profitable work. But that was with a lot of disappoitments: soldiers were not easy to transition to normal workers. The mood was one of one had expected much more. That didn't last long and a golden age started in the fifties and sixties. 

The big problem is that AI could produce a same disappointment like 1946/1948 with some other disturbances like more inflation than expected, a huge debt crisis, climate problems, war etc. This could produce a Chaotic Downturn scenario like 1973/1975 that could start in 2027/2028 (a bit later than in our book, because the good times of equities in real terms lasted longer, at least to 2021 and not 2018.
No guarantee of cours.

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