State Space Models

All state space models are written and estimated in the R programming language. The models are available here with instructions and R procedures for manipulating the models here here.

Sunday, March 2, 2025

World-System (1980-2060) Seven Futures for Ukraine

 


The presidents of Ukraine (Volodymyr Zelenskyy) and the United States (Donald Trump) recently met (Mar 2, 2025) at the White House to discuss the future of Ukraine and a mineral extraction deal. The meeting was not a success. In my mind, it brings up the question about what Geopolitical alignment would be best for Ukraine (UA): Russia (RU), the World System (W), the European Union (EU), the United States (US) or none (BAU or RW). The graphic above shows the time plot for the growth component of the UAL20 model under each alternative Geopolitical Alignment. Maybe surprisingly, the US Geopolitical Alignment would be one of the worst! In this post I'll explain the alternative forecasts in detail.

You can run the UAL20 model here.

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