Dear all,
is there any issue with using numeric AND nominal levels in the same attribute.
e.g.
Attr. 1: 200€, 400€, 600€, unlimited
Attr. 2: 2 months, 4 months, unlimited
Attr. 3 (Price): 5%, 10%, 15%
Especially, I was wondering if this makes it comlicated to estimate the WTP?
Thanks in advance!