| Model | ||
Variable | I | II | III |
Exogenous Index (X) | 13.386 (3.186) [0.000] | −28.451 (27.629) [0.303] |
|
Endogenous Index (N) |
| −2.361 (7.454) [0.751] | 5.868 (1.424) [0.000] |
Interaction of Exogenous & Endogenous Indices (XxN) |
| 35.047 (33.875) [0.301] |
|
Social Value Orientation (slope of resultant vector)
| 0.402 (0.535) [0.451] | 1.356 (0.780) [0.082] | 0.956 (0.556) [0.085] |
Risk Averse (=1, =0 otherwise)
| 0.736 (1.014) [0.468] | 1.305 (1.055) [0.216] | 1.157 (1.117) [0.300] |
Risk Seeking (=1, =0 otherwise)
| 0.986 (0.572) [0.091] | 0.515 (0.758) [0.497] | 0.523 (0.664) [0.431] |
Constant (Pro Self, Risk Neutral Participants)
| −4.076 (1.106) [0.000] | 2.037 (5.449) [0.709] | −4.353 (1.192) [0.000] |
Pseudo R-squared p-value for χ2-test on Model Significance | 0.457 0.001 | 0.595 0.032 | 0.567 0.001 |
Test: the coefficients of X and XxN are not different from zero (the main effect X) |
| χ2 = 1.08 p = 0.584 |
|
Test: the coefficients of N and XxN are not different from zero (the main effect of N) |
| χ2 = 7.80 p = 0.020 |
|