{"id": "card_floor_economics", "kind": "note", "title": "Economics — minds that choose, meeting scarcity", "body": "The social rung: minds that choose, meeting scarcity. Scarcity and choice (incentives), the time value of money (compound interest, present value), markets and prices (supply, demand, elasticity), and aggregates (GDP, inflation). Four pillars rest on the mind (agents who choose), statistics (measurement), and the instruments (the finance arithmetic). The arithmetic is cited from the economics stick (stick_economics_the_finance_arithmetic_verified_and_sealed); no new stick (tools/seed_economics.py).", "source": {"label": "Narrow Highway — economics", "url": "", "authority_tier": "engine_derived", "ref": "stick_economics_the_finance_arithmetic_verified_and_sealed"}, "shelf": "codex", "box": "economics", "bands": ["floor", "economics", "markets", "incentives", "social", "one map"], "subject": "Economics — minds that choose, meeting scarcity", "connections": [{"to_card_id": "card_econ_scarcity_choice", "relationship": "has_part", "evidence": "a pillar of economics (Scarcity and choice)"}, {"to_card_id": "card_econ_time_value", "relationship": "has_part", "evidence": "a pillar of economics (The time value of money)"}, {"to_card_id": "card_econ_markets_prices", "relationship": "has_part", "evidence": "a pillar of economics (Markets and prices)"}, {"to_card_id": "card_econ_aggregates", "relationship": "has_part", "evidence": "a pillar of economics (Aggregates)"}, {"to_card_id": "card_k_floor_of_discovery", "relationship": "part_of", "evidence": "the social world of choice on the one map"}, {"to_card_id": "card_game_nash", "relationship": "connects_at", "evidence": "the payoffs are incentives - strategic economics"}, {"to_card_id": "card_game_prisoners_dilemma", "relationship": "connects_at", "evidence": "dominant strategies and incentives - the dilemma is an economics of trust"}], "author": "engine", "created_at": 0.0, "updated_at": 0.0, "visibility": "public", "lifecycle_stage": "public", "volatility": "permanent", "surface": "secular", "generated": false, "call": "codex.economics", "facets": {"subject": ["floor", "incentives", "markets", "one map", "social"]}, "presentation": {"glyph": "•", "kind_label": "economics", "by": "Narrow Highway — economics", "authority": "engine_derived", "posted": "", "standing": ""}, "neighbors": [{"id": "card_econ_scarcity_choice", "title": "Scarcity and choice — incentives", "relationship": "has part", "why": "a pillar of economics (Scarcity and choice)", "href": "/card/card_econ_scarcity_choice", "resolved": true}, {"id": "card_econ_time_value", "title": "The time value of money — compound interest", "relationship": "has part", "why": "a pillar of economics (The time value of money)", "href": "/card/card_econ_time_value", "resolved": true}, {"id": "card_econ_markets_prices", "title": "Markets and prices — supply, demand, elasticity", "relationship": "has part", "why": "a pillar of economics (Markets and prices)", "href": "/card/card_econ_markets_prices", "resolved": true}, {"id": "card_econ_aggregates", "title": "Aggregates — GDP, inflation, growth", "relationship": "has part", "why": "a pillar of economics (Aggregates)", "href": "/card/card_econ_aggregates", "resolved": true}, {"id": "card_k_floor_of_discovery", "title": "The Floor of Discovery — one floor, and by its design the fear of God", "relationship": "part of", "why": "the social world of choice on the one map", "href": "/card/card_k_floor_of_discovery", "resolved": true}, {"id": "card_game_nash", "title": "Nash equilibrium — a fixed point", "relationship": "connects at", "why": "the payoffs are incentives - strategic economics", "href": "/card/card_game_nash", "resolved": true}, {"id": "card_game_prisoners_dilemma", "title": "The prisoner's dilemma — the price of rationality", "relationship": "connects at", "why": "dominant strategies and incentives - the dilemma is an economics of trust", "href": "/card/card_game_prisoners_dilemma", "resolved": true}], "house": {"door": "FIND", "kind": "card", "trail": "connections", "seal": "/card/card_floor_economics", "next_step": {"do": "follow a connection: what this card rests on, and what rests on it", "door": "FIND", "tool": "card_connections", "params": {"id": "card_floor_economics"}}, "ends": "a verdict or a card · the trail · a seal · one next step"}}