Near vs. far mode of thinking http://www.overcomingbias.com/2010/06/near-far-summary.html Scope insensitivity http://lesswrong.com/lw/hw/scope_insensitivity/ Efficient market hypothesis https://conceptually.org/concepts/efficient-markets/ Coordination problems and nash equilibria Strawman argument vs. steelman argument. https://wiki.lesswrong.com/wiki/Steel_man Chesterton fence Common knowledge/aumann theorem http://squid314.livejournal.com/2011/02/01/ https://www.scottaaronson.com/blog/?p=2410 Astronomical waste https://wiki.lesswrong.com/wiki/Astronomical_waste Belief in belief http://lesswrong.com/lw/i4/belief_in_belief/ Toxoplasma of rage http://slatestarcodex.com/2014/12/17/the-toxoplasma-of-rage/ Bostrom's four possible futures and possible number of future people http://stafforini.com/docs/Bostrom%20-%20The%20future%20of%20humanity.pdf http://www.existential-risk.org/concept.pdf Astronomical suffering https://foundational-research.org/reducing-risks-of-astronomical-suffering-a-neglected-priority/ Prediction markets Tragedy of commons Information hazard https://concepts.effectivealtruism.org/concepts/information-hazards/