Research Article

Using the Contingent Grouping Method to Value Forest Attributes

Table 2

Attributes and levels used in the choice sets.

AttributeDescriptionLevels

PicnicPicnicking allowed in the new forests
(BAU* = No)
Yes
No
Drive Driving by car allowed through the new forests would be allowed
(BAU = No)
Yes
No
MushroomsPicking mushrooms allowed in the new forests
(BAU = No)
Yes
No
CO2CO2 sequestered annually by the new forests. Equivalent to the pollution produced annually by a city of...
(BAU = 0)
300.000 people
400.000 people
500.000 people
600.000 people
ErosionErosion risk
(If not afforested, land would become unproductive....)**   
(BAU = 100)
After 100 years
After 300 years
After 500 years
After 700 years
PaymentThe afforestation cost per person and year
(BAU = 0)
6 euros
12 euros
18 euros
24 euros

BAU: business-as-usual alternative. **If afforested, erosion would be prevented indefinitely.