The model that expresses the traffic equilibrium problem in terms of Quasi-Variational Inequalities is improved taking into account that: i) the cost function may be discontinuous; ii) the cost function may be considered as a multifunction. Existence theorems in such directions are given with examples and considerations, based on a direct computational method, that justify this approach.In Sect. 3, we prove an existence theorem for the generalized Quasi-Variational Inequality which comes from this improved approach. Shortly, we recall that one of the possible model for a traffic network with fixed 45 F. Giannessi et al. (eds.), Variational Inequalities and Network Equilibrium Problems

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In recent years, many scholars, mainly those focusing on populism, have analysed the role of ‘the people’ in politics. This has allowed us to understand how many political actors emphasize the central position of this term. Today, ‘the people’ has different meanings depending on how politicians use it in specific contexts. In this paper, the reference to ‘the people’ was measured using the following question: How do political leaders use the word ‘people’? The analysis was conducted on Twitter through the study of the accounts of the foremost political leaders in the UK during the 2019 general election campaign. The results highlight three key attitudes related to the use of ‘people’: a direct and immediate relationship between a leader and a wide people; a calling to a specific people, described as a strong and cohesive group; an appropriation of the voice of the people, grouping people without borders into the classic contraposition between a pure people and the corrupt elite.

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