Collective action
Citizen journalism
Investment (military)
Outcome (game theory)
Elite
Participatory development
Ex-ante
Qualitative property
Economics
Public economics
Collective efficacy
Participatory action research
Action (physics)
Propensity score matching
Economic growth
Political science
Psychology
Social psychology
Microeconomics
Politics
Physics
Quantum mechanics
Statistics
Mathematics
Machine learning
Computer science
Macroeconomics
Law
