entry leads to lower prices and profits
Moneyball (or "Moreyball") type story of entrepreneurial gain and competitive response
Manjoo: low overhead and advertising costs may lower profit margins with easier entry
interview with Andrei Hagiu, Harvard economist - harder for media companies to profit with Facebook, Snapchat, etc
online market for lesson plans and teaching materials
Shiller: illiquidity, including supply lags and inability to short sell, limits rational price movement
matching economics - costly signals and limitations on options set by matchmakers as aids to matching
possible general hook in IO, micro courses
AirBnB growth based on importance of reputation of sellers and buyers
Sorkin: Uber value and potential network externalities market dominance. entry story
Krugman: clean energy and other environmental mitigation costs falling
implicit excess supply (differentiated good), disequilibrium - Dargis
Mullanaithan - difficulty in cancellation not a major factor in initial signup decisions, not subject to competitive forces
high search costs in wedding services keep prices up - maybe won't come down
cost pressures may be hurting Chinese quality
tech change, perfect competition, economies of scale, impact of outside factors
costs rising but not prices for farmers
example of decision making on margin - and utility for entrepreneurs as a goal