Peer Effect in Tipping Regression Summary

Peer Effect in Tipping

• Average Effect

• OLS

summary(peer_ols_effect_AvgTip_lag_withmanager)$coefficients

                   Estimate Std. Error   t value     Pr(>|t|)
avg_peerAvgTip -0.008062275  0.0017783 -4.533699 5.796386e-06

• IV

summary(peer_iv_effect_AvgTip_lag_withmanager)$coefficients

                         Estimate  Std. Error   t value   Pr(>|t|)
`avg_peerAvgTip(fit)` -0.02558779 0.009968933 -2.566753 0.01026567

• Most connected VS Less Connected Peers

• OLS

summary(peer_ols_AvgTip_top_common_2weeks_withmanagers)$coefficients

                        Estimate  Std. Error    t value  Pr(>|t|)
toptargetAvgTip     0.0006559301 0.001533609  0.4277037 0.6688669
commontargetAvgTip -0.0021781512 0.001738715 -1.2527360 0.2103021

• IV

summary(peer_iv_AvgTip_top_common_2weeks_withmanagers)$coefficients

                             Estimate  Std. Error   t value    Pr(>|t|)
`toptargetAvgTip(fit)`     0.02326187 0.006154118  3.779887 0.000156908
`commontargetAvgTip(fit)` -0.02573378 0.008203664 -3.136864 0.001707701

• Star peers in tipping VS common player in tipping

• OLS

summary(peer_ols_AvgTip_star_normal_in_tip_withmanagers)$coefficients

                       Estimate   Std. Error    t value     Pr(>|t|)
startargetAvgTip   -0.002691335 0.0007662119  -3.512521 4.439054e-04
normaltargetAvgTip -0.026060924 0.0025466696 -10.233336 1.411496e-24

• IV

summary(peer_iv_AvgTip_star_normal_in_tip_withmanagers)$coefficients

                             Estimate  Std. Error   t value     Pr(>|t|)
`startargetAvgTip(fit)`   -0.04121145 0.014220657 -2.897999 3.755632e-03
`normaltargetAvgTip(fit)` -0.07326292 0.007810333 -9.380256 6.599757e-21

• Before & After Guard * Most connected VS Less connected peers

• Before Guard

summary(peer_iv_AvgTip_top_common_2weeks_withmanagers_beforeguard)$coefficients

                            Estimate Std. Error   t value    Pr(>|t|)
`toptargetAvgTip(fit)`    -0.0151266 0.01092703 -1.384329 0.166260127
`commontargetAvgTip(fit)` -0.0833635 0.02725952 -3.058142 0.002227584

• After Guard

summary(peer_iv_AvgTip_top_common_2weeks_withmanagers_afterguard)$coefficients

                             Estimate  Std. Error   t value     Pr(>|t|)
`toptargetAvgTip(fit)`     0.03126012 0.007057228  4.429518 9.445423e-06
`commontargetAvgTip(fit)` -0.02428001 0.008158517 -2.976032 2.920113e-03

• Before & After Guard * Star player in tipping VS common Player in tipping

• Before Guard

summary(peer_iv_AvgTip_star_normal_in_tip_withmanagers_beforeguard)$coefficients

                             Estimate Std. Error    t value     Pr(>|t|)
`startargetAvgTip(fit)`   -0.02828065 0.02841709 -0.9951988 3.196433e-01
`normaltargetAvgTip(fit)` -0.20100348 0.03801654 -5.2872633 1.245543e-07

• After Guard

summary(peer_iv_AvgTip_star_normal_in_tip_withmanagers_afterguard)$coefficients

                             Estimate  Std. Error   t value     Pr(>|t|)
`startargetAvgTip(fit)`   -0.12564427 0.019280160 -6.516765 7.189361e-11
`normaltargetAvgTip(fit)` -0.06823699 0.008186674 -8.335129 7.756536e-17