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The objective of the paper is to elaborate a simulation model to analyze inter- and intra-modal competition in the … effect of a kerosene tax. Hence our framework could serve as a tool to measure the effectiveness of competition on a relevant … market or to design marketing strategies. More generally it can be applied in cases of oligopolistic competition when …
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This paper presents a formal theory of reciprocity. Reciprocity means that people reward kind actions and punish unkind ones. The theory takes into account that people evaluate the kindness of an action not only by its consequences but also by the intention underlying this action. The theory...
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scarcer and hence competitive pressure is higher. By contrast, levels of cooperation are very similar across areas. This … indicates that scarcity does not hamper cooperation, at least as long as a subsurvival level has not been exceeded. Our data …
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