Table 1.
Factor analysis of 12 economic variables: 2-factor solution.
| F1: Cooperation | F2: Punishment | Com | Comp | |||
|---|---|---|---|---|---|---|
| Trust game (1st mover) | 0.53 | 0.00 | 0.28 | 1.0 | ||
| Trust game (2nd mover) | 0.50 | − 0.10 | 0.26 | 1.1 | ||
| Charitable donations | 0.47 | − 0.02 | 0.22 | 1.0 | ||
| Dictator game | 0.45 | 0.19 | 0.24 | 1.3 | ||
| Ultimatum game (1st mover) | 0.36 | 0.09 | 0.14 | 1.1 | ||
| Public good game | 0.57 | − 0.03 | 0.32 | 1.0 | ||
| Dilemma of the commons | 0.39 | − 0.21 | 0.19 | 1.5 | ||
| Zurich prosocial game | 0.55 | − 0.01 | 0.30 | 1.0 | ||
| 2nd party punishment | 0.01 | 0.74 | 0.55 | 1.0 | ||
| 3rd party punishment | − 0.01 | 0.80 | 0.64 | 1.0 | ||
| Ultimatum game (2nd mover) | 0.01 | 0.55 | 0.30 | 1.0 | ||
| Impunity game | − 0.02 | 0.46 | 0.21 | 1.0 | ||
| Proportion variance explained | 0.16 | 0.15 | ||||
Standardized loadings (pattern matrix) based upon correlation matrix, communality (“Com”) and complexity (“Comp”) of each variable. Two factors, labeled “Cooperation” and “Punishment”, captured 31% of the total variance.