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Basic statistics of major variables
| Variables | Description | Mean | SE | Min | Max |
|---|---|---|---|---|---|
| UND | Understanding of the burden-sharing system | 0.5633 | 0.4968 | 0 | 1 |
| FA18 | Number of family members under the age of 18 | 0.4533 | 0.8662 | 0 | 4 |
| CCD | Awareness of climate change diseases | 4.5800 | 1.8151 | 1 | 9 |
| INC | Incomes (million Kwon/y) | 2820 | 2163 | 750 | 75,000 |
| BID | Suggested bid (won) | 32,770 | 37,743 | 1000 | 100,000 |
SE = standard error.
