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.

Wednesday, August 26, 2026

Globalization, CO2 Emissions and Unemployment in Italy (World-System, 1950-2000+).


This page is UNDER CONSTRUCTION but you can study the graphic above and the State Space model outputs below. 




Notes

You can run the ITL20 Model in R-code (here). For more of my posts see Blog Roll: Italythe Boiler Plate and the Introduction to State Space Models.

Questions

  1. The ITL20 Model is stable and cyclical? A steady state can be maintained by the two historical controllers: IT2 = (KOF+HDI-LU-EF) a Globalization-Unemployment and IT3 = (LU-N-CO2-EG) an Emissions-Unemployment (see below), that is, Globalization and Emissions controllers. chatGPT concludes that these two controllers are tracking structural changes in the Economy of Italy. The historical structure involved IT3 = (Q - CO2) and the emerging structure involves IT2 = (Q -> -CO2). Do you agree?
  2. To make things more complicated, how do the two historical controllers (IT2 and IT3) relate to conventional problems facing Italy?


Wikipedia Links


ITL20 Model Measurement Matrix





IT1 = (Growth), IT2 = (KOF+HDI-LU-EF) a Globalization-Unemployment and IT3 = (LU-N-CO2-EG) an Emissions-Unemployment controller.


 ITL20 BAU Systems Matrix




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