Table 16 Hypothetical bias without different income categories (Ind)

From: The Influence of Collective Action on the Demand for Voluntary Climate Change Mitigation in Hypothetical and Real Situations

  \(\hbox {Inc}\ne \hbox {low}\) \(\hbox {Inc}\ne \hbox {middle }\) \(\hbox {Inc}\ne \hbox {high}\) \(\hbox {Inc}\ne \hbox {missing}\)
Price \(0.97^{***}\) \(0.97^{***}\) \(0.97^{***}\) \(0.98^{***}\)
Male 1.03 1.00 0.90 0.98
Age 1.00 1.00 1.00 1.00
Kids in HH 0.78 \(0.71^{**}\) \(0.68^{***}\) 0.84
Single 1.11 1.05 1.25 1.16
University degree 1.12 0.94 1.18 1.20
Votes Green 1.52\(^{**}\) 1.13 1.48 1.67\(^{***}\)
HH Income
   Low Ref Ref Ref
   Middle Ref 1.04 0.96
   High and very high 1.38\(^{**}\) 1.35 1.34
   Missing \(1.49^{***}\) \(1.42^{**}\) \(1.50^{**}\)
Worry \(1.42^{**}\) \(1.59^{***}\) \(1.54^{***}\) \(1.73^{***}\)
Policy preferences
   Emission trading \(2.37^{***}\) \(2.57^{***}\) \(2.90^{***}\) \(2.07^{***}\)
   Renewables \(1.51^{***}\) \(1.65^{***}\) \(1.54^{***}\) \(1.44^{***}\)
   Trading##Renewables \(0.45^{***}\) \(0.35^{***}\) \(0.31^{***}\) \(0.47^{***}\)
Dilemma awareness \(0.71^{***}\) \(0.64^{***}\) \(0.74^{**}\) \(0.73^{***}\)
Personal norm \(1.30^{***}\) \(1.28^{***}\) \(1.28^{***}\) \(1.16^{**}\)
HYPO 1.20 \(1.48^{***}\) \(1.36^{**}\) \(1.45^{***}\)
Observations 3477 2907 3201 3663
Pseudo \(R^{2}\) 0.065 0.072 0.073 0.061
  1. Choice of certificate is the dependent variable, coefficients are presented as odds ratios, ** \(p < 0.05\); *** \(p < 0.01\), standard errors are corrected for clustered observations
  2. Ref reference category