ABSTRACT
The indicators thus range in value from 0 to 1. The value 1 corresponds to countries with the maximum indicator value, and 0 to countries with the minimum value. If the relationship between the indicator and the competitiveness measure is inverse (the smaller the indicator’s value, the greater the tourism competitiveness), the normalization procedure uses expression (8.1) but with the numerator changed to max (xij) – xij. With the normalized indicators, the WTTC method defines an aggregate index for the eight dimensions of the aforementioned competitiveness. This index is a simple sum of the normalized values of each dimension’s indicators:
S yi k
= =∑
(8.2)
where the superindex k (k = 1, 2, . . ., 8) denotes the eight dimensions, and m the number of indicators needed to measure every dimension. Finally, in order to facilitate the interpretation and comparison between countries, the aggregate index of each dimension of tourism competitiveness is defined as follows:
C S S
S S i
( ) ( )= − ( )
( ) − ( ) min
max min (8.3)
This methodological approach does not synthesize all the information into a single competitiveness index. Instead, it considers eight separate aggregate indices, each corresponding to one competitive dimension. Two disadvantages need to be borne in mind:
1 The Si(k) index does not use all the available indicators. Many countries are excluded from the overall calculation, owing to the lack of statistical information on some indicators.
