États-Unis (1) Italie (1) France (1) Allemagne (1) Comparative studies (1) Trust (1) Sports records (1) Possibility (1) Play (1) Income (1) Hypothesis (1) Germans (1) French (1) Equity (1) Equilibrium (1) Economics (1) Economic development (1) Confidence (1) Average (1) Athletic ability (1) Experiments (1) Confianza (1) Posibilidad (1) Equidad (Derecho) (1) Renta (1) Juego (1) Economía (1) Expérimentation (1) Développement économique (1) Performance-art (1)