... quality and abundance of intangible assets and, therefore, except for the case of perfect coordination in the tourism sector (for instance, in the case of a monopoly), the decisions of any of the tourism ... whole land is occupied by tourism facilities is the assumption that marginal returns to land in the 68 The economics of tourism and sustainable development C • LT = 0.00 0.17 0 .33 0.50 0.67 0. 83 LT ... ϩNTR(LT) CI ϭCII, (3AI.1) (3AI.2) where (3AI.1) comes from the combination of (3. 11) and (3. 12) and (3AI.2) is the same as (3. 12) First of all we show that if (3. 14) is satisfied, there exists at...