MiddleAges500-1500

There has been renewed interest in the  Middle Ages  because of parallels to events in the present:  History of Science  and  Antiscience , the   Black Death  and the  COVID-19 Pandemic ,  Feudalism  and   Neo-Feudalism   (Techno-Feudalism),  Dark Ages  and  Societal Collapse , the   Hundred Year's War  and  Perpetual War ,  Late Capitalism  and   Crisis of the Late Middle Ages ,  Ecosystem Collapse  and  Medieval Warm Period  to the Little Ice Age , the Rise of Islam and    etc., etc. This blog is devoted to State Space models of the  Middle Ages . See the Boiler Plate for descriptions of data sources, how the models were constructed (estimated) and periodization. The Malthusian Model and Unified Growth Theory provide important theoretical explanations for the Middle Ages. Below are links for relevant Wikipedia pages on the  Middle Ages ...

  State Space Model Estimation The Measurement Matrix for the  state space models  was constructed using  Principal Components Analysis  with  standardized  data from the  World Development Indicators . The statistical analysis was conducted using an extension of the  dse package . The package is currently supported by an online portal ( here ) and can be downloaded, with the R-programming language, for any personal computer  here .  Code for the state space  Dynamic Component models (DCMs)  is available on my Google drive ( here ) and referenced in each post. Atlanta Fed Economy Now My approach to forecasting is similar to the  EconomyNow model used by the Atlanta Federal Reserve . Since the new Republican Administration is signaling that they would like to eliminate the Federal Reserve, the app might well not be available in the future. While the app is still available, there have been some interesting developm...