... workon sustainable development indicators.output of the AFEST activityoutput of the NAMEA activity1 24 The economics of tourism and sustainable development 1 34 The economics of tourism and sustainable ... are the productionactivities at the service of tourism and on the other side tourists’activities; 24 within the latter, furthermore, the use of services and the use of goods bytourists plus other ... consumption tourism tourism consumption of visitor (in cash and consumption consumption in cash consumption in kind) (4, 1)* (4, 2)** (4, 1)ϩ (4, 2)ϭ (4, 3) (4, 4)*** (4, 5)ϭ (4, 3)ϩ (4, 4)ProductsA....