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Public good provision - Why people do (not) contribute? An experimental explora...

In public good provision situations, individual members of a group have a choice of contributing or not contributing to the provision of a good from which all benefit, including those who chose not to do so. In such a context, theories of rational choice predict that individuals will try to “free ride” on the contribution of others – they will attempt to enjoy the good without contributing, leading thus to the ...

Economics and social psychology on public goods: experiments and explorations

Economics and social psychology come from different traditions in social science, and in the past they seldom met. Their territories seemed to be well delimited. The former discipline’s mainstream focused on market mediated interactions, making sense of an asocial concept of action by referring it to “the ordinary business of life” (Marshall, 1920, I.II.1) where agent’s choices supposedly are independent from t...

Instrumentos de análise para o método dos cenário. II - Estratégia de actores

Na sequência do documento de trabalho “Instrumentos de Análise para o Método dos Cenários, 1-Análise Estrutural” (Caldas e Perestrelo, 98), trataremos no presente trabalho de outra etapa do Método dos Cenários, a Estratégia de Actores, tendo como referência principal o método MACTOR (Método ACTores, Objectivos; Relações de força). Este método inspirado na teoria dos jogos e na análise sociológica das organizaçõ...

Agents, groups and institutions: experiments with population based simulation m...

Instrumentos de análise para o método dos cenários. 1 - Análise estrutural