• renewable stock ch.2, 66
    • trees and such around house - faster (cap. investment) Harvest means further to harvest
    • corpses
    • energy
    • 3 non linear relationships
      • price, regeneration rate, yield per unit capital
  • non renewable stock ch.2, 58
    • rocks and such around house
  • better extraction methods over time
  • classification of all game systems using system zoo
  • Diagrams, lol