Model	Reply tourists associated with the variable	Prognostic
Dependent variable
WTP^†	What would be the maximum amount of money you would pay as a contribution to achieving conservation of canals and chinampas of Lakeside System ejidos of Xochimilco and San Gregorio Atlapulco, considering that these are highly productive prehispanic agricultural systems and offer a variety of economic, environmental and cultural benefits primarily? Would you pay the amount of US$ “X” per year?^*
Independent variable
Group: Socio-Economic
Age^¥	Number of years the tourist.	+, −
Gender^†	1 = Man y 0 = Woman.	+, −
Income^Ø	Range where the income is located.	+
Income^Ø	31 ranges available, where they go from lowest to highest value.	+
Children^¥	Number of children of the tourist.	−
Group: Qualitative Place
Landscape^†	Tourists will enjoy the landscape: Yes = 1, No = 0.	+
Protection^Ø	Consider that the protection of Xochimilco is	+
Protection^Ø	1 = nothing important, 2 = moderately important, 3 = very important.	+
Buy^†	Tourists want to buy agro products: Yes = 1, No = 0.	+
Group: Management Xochimilco
Posture^¥	WTP posture that offers tourists to its decision.	−
CSO^†	The conservation and management of money should be performed by:	+, −
CSO^†	Civil Society Organization: Yes = 1, No = 0.	+, −
PGE^†	The conservation and management of money should be performed by:	+, −
PGE^†	Public and/or Government Entity: Yes = 1, No = 0.	+, −