1# Macro-regions for fixed effects / leave-region-out (fixed before analysis, 2026-11-01).2# Keys = the 42 `seshat_region` values of Polaris-2026 (Polities sheet). Grouping is geographic only.3macro_regions:4 Europe: [Western Europe, Southern Europe, Central Europe, Northern Europe, Eastern Europe, Southeastern Europe, Pontic-Caspian]5 Southwest_Asia: [Anatolia-Caucasus, Mesopotamia, Levant, Iran, Arabia]6 Central_Asia: [Turkestan, Afghanistan, Mongolia, Siberia]7 South_Asia: [North India, Southern India, Eastern South Asia, Pakistan, Sri Lanka]8 East_Asia: [North China, South China, Northeast Asia]9 Southeast_Asia_Oceania: [Mainland Southeast Asia, Maritime Southeast Asia, Polynesia, New Guinea]10 North_Africa: [Northeast Africa, Maghreb, Sahel]11 Sub_Saharan_Africa: [West Africa, East Africa, Central Africa, Southern Africa]12 North_America: [Mexico, Mississippi Basin, Western North America, East Coast, Caribbean]13 South_America: [Andes, Amazonia]14era_blocks: # CE years, applied to the polity midpoint (start_year+end_year)/215 - {name: "pre-1000BCE", max: -1001}16 - {name: "1000BCE-0", min: -1000, max: 0}17 - {name: "1-1000", min: 1, max: 1000}18 - {name: "1001-1500", min: 1001, max: 1500}19 - {name: "1501-1800", min: 1501, max: 1800}20 - {name: "post-1800", min: 1801}21