ARBITRATION AND TOURISM: A FIELD TO EXPLORE pay and the average price charged by the market, charging a marginally higher price, which will necessarily result in higher profit margins. The following questions will therefore be answered: A) In identical situations where the only variation is that the tourism company resorts to international arbitration, does this bring a real benefit to the organisations or not? B) Does the institutionalised adoption of arbitration continue to bring benefits to organisations even if at a marginally higher cost of the goods and services they make available to customers? To confirm or disprove the existence of a Competitive Advantage for tourism businesses that adhere, in their commercial relations, to an institutionalised arbitration system, especially in cases where the commercial relations are international and confront different legal systems, primary data was collected, at source and by questionnaire, both regarding tourism supply and demand, in order to relate them and increase the explanatory power of the results obtained, which involved the use of a statistical technique for data analysis. 4. STATISTICAL ANALYSIS Data collection for the study was carried out by applying questionnaire surveys to senior managers of tour operators, travel agencies and 4 and 5-star hotels in the Algarve region, as well as customers/tourists. As far as possible, we sought to interview operators, agencies and tourists with and without experience of tourism-related disputes. The questionnaire was chosen due to its objectivity and the ability to obtain structured answers. Three questionnaires were applied, one to tourists, another to tourist agencies and operators, and yet another to 4 and 5-star hotels in the Algarve. There are several Multivariate Data Analysis techniques that are used in the development of research, with well-defined objectives, in the area of tourism. In fact, most of these techniques fall within the scope of data classification, dimensionality reduction and, above all, the detection of interesting patterns in databases through graphical factorial methods. Typically, factorial methods present the results in the form of scatter diagrams, generally in a two-dimensional subspace, even if the original configuration is larger. The first problem to be
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