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, July 9, 2025

Technological Long Waves


The Kondratiev Wave is an important element of World-Systems Theory. The graphic above is taken from Andreas Goldschmidt and gives historical specifics for technological cycles. Goldschmidt's formulation allows for the idea to be tested (one of the models I always test), is consistent with economic Growth theory (particularly exogenous disembodied technological change in the Solow-Swan Model) and I present some examples below.



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