A teacher needs, as an economic analyst, to use indicators that give her accurate information about the classes. This work aims at testing the hypothesis: “The perceptions of the students about the subjects and about the teacher vary according to the specificity of each class”. For this...

Um elemento que comportou consideráveis avanços na Economia do Século XX foi o reconhecimento de que a informação não era perfeita nos diversos mercados. Este trabalho sintetiza a relevância da Economia da Informação, debruçando-se sobre os dois principais campos de influência: o...

This is a brief reflection on complex work systems automation, studying the Air Traffic Control Services. We study the compatibility of air traffic control systems automation against the necessary preservation of human nature complexity and the social integration of individuals, through a...

We study experimentally a standard four-player Hotelling game, with a uniform density of consumers and inelastic demand. The pure strategy Nash equilibrium configuration consists of two firms located at one quarter of the ``linear city'', and the other two at three quarters. We do not observe...