Table S1.

Study 1 endowment effect regression results

Variables	Endowment effect
Insula activation		3.996 (1.628)*
Experience	−0.557 (0.305)†	−0.377 (0.286)
Task order	−0.571 (0.352)	−0.673 (0.323)*
Age	0.011 (0.023)	0.018 (0.020)
Income	0.101 (0.090)	0.061 (0.078)
Female	0.180 (0.330)	0.397 (0.307)
Constant	0.330 (0.623)	−0.159 (0.558)
R2	0.15	0.24
N	119	119

Robust SEs (clustered by subject) are in parentheses. ^†P < 0.1; *P < 0.05; **P < 0.01 (two-tailed).