Data for

This dataset contains supplementary data for the study on the relationship between income, environmental quality, and consumers' willingness to pay for organic food. The data includes individual-level responses from the 2021 Consumer Behavior Survey for Food and regional-level data for the EKC analysis. The dataset includes: 1. `individuals.xlsx`: - The dataset comprises raw, individual-level data collected from the 2021 Consumer Behavior Survey for Food. The descriptions of the variables are provided in Korean. 2. `df.kuznets_open.xlsx`: - The dataset comprises the processed data used for ‘the Environmental Kuznets Curve (EKC)’ analysis. 3. `df.eco2_open.xlsx`: - The dataset comprises the processed data used for the ‘WTP for organic food’ analysis.