List of modifiers available in edicts/policies, as of current version of game (retrieved via reading <game_root>\common\edicts\00_edicts.txt).
- Buidling Speed
- building_time_mult
- megastructure_build_speed_mult
- planet_army_build_time_mult
- planet_army_build_speed_mult
- planet_building_cost_mult
- planet_clear_blocker_time_mult
- pop_robot_build_speed_mult
- shipsize_colonizer_build_speed_mult
- starbase_building_build_time_mult
- starbase_module_build_time_mult
- starbase_shipyard_build_speed_mult
- starbase_upgrade_time_mult
- Diplomacy
- country_insult_efficiency
- country_trade_attractiveness
- country_trust_cap_add
- country_trust_growth
- Governance
- country_sector_cap_add
- country_leader_cap
- leader_age
- pop_happiness
- pop_other_species_happiness
- Military
- army_attack_morale_mult
- army_defense_morale_mult
- army_upkeep_mult
- country_naval_cap_mult
- country_war_exhaustion_mult
- ship_upkeep_mult
- Research
- all_technology_research_speed
- category_biology_research_speed_mult
- category_industry_research_speed_mult
- category_materials_research_speed_mult
- category_statecraft_research_speed_mult
- country_physics_tech_research_speed
- country_engineering_tech_research_speed
- country_society_tech_research_speed
- Resources
- country_trade_attractiveness
- Energy
- country_resource_energy_mult
- static_resource_energy_add
- tile_resource_energy_mult
- Food
- country_resource_food_mult
- static_resource_food_add
- tile_resource_food_mult
- Influence
- country_resource_influence_mult
- static_resource_influence_add
- Minerals
- country_resource_minerals_mult
- static_resource_minerals_add
- tile_resource_minerals_mult
- Unity
- country_resource_unity_mult
- static_resource_unity_add
- Ship Speed
- ship_ftl_jumpdrive_range_mult
- ship_interstellar_speed_mult
- ship_winddown_mult
- ship_windup_mult