Fig. 3: Heterogenous effect of knowledge, educational attainment, the household, and the female dummy on individuals’ pro-environmental behaviour.

The long dashed line denotes the magnitudes of the estimator derived from the OLS regression. The line denotes the effects of independents at each quantile, and the grey area denotes the 95% confidence interval derived from the quantile regression. Data source: Original survey of 37 nations.