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. 2022 May 13;8(19):eabb3925. doi: 10.1126/sciadv.abb3925

Table 8. Donation and π: Linear regression.

This table illustrates the structural identification strategy. Notes: SEs in parentheses. *P < 0.10, **P < 0.05, and ***P < 0.01. OLS, ordinary least squares; IV, instrumental variables.

OLS IV IV
(1) (2) (3)
Decision (d)
Mean dep. var. 0.23
% Consequential
(π)
−0.239*** −0.363*** −0.368***
π * 1(dw/2) (0.0249) (0.0548) (0.139)
0.870*** 1.516*** 1.542**
(0.0412) (0.250) (0.714)
Constant (duty
bliss point)
0.251*** 0.249*** 0.249***
(0.0116) (0.0131) (0.0134)
IV N π, Indian π, Age ≤ 25
Observations 902 902 902
R-squared 0.336 0.155 0.140