"Soldiers and Rebels. Coups and Civil Wars in Weakly-Institutionalized and Fragmented States" Abstract Many ethnically divided societies are ridden with inter-ethnic conflicts which inhibit their economic development. Following Lijphart, many scholars have advocated the adoption of "consensual" political institutions to facilitate the peaceful resolutions of ethnic conflicts. In this paper, we argue that making institutions…

"Ambiguity in the small and in the large" Abstract This paper considers local and global multiple-prior representations of ambiguity for preferences that are (i) monotonic, (ii) Bernoullian, i.e. admit an affine utility representation when restricted to constant acts, and (iii) locally Lipschitz continuous. We do not require either Certainty Independence or Uncertainty Aversion. We show…

"Reciprocity or strategy? An analysis of motivation behind conditional cooperation" abstract The goal of this research is the understanding of the dynamics that lead to the rise of motivation to cooperate under limited information about what other people involved are doing. This research is a part of a broader project that analyses motivation for adopting pro-environmental behaviour: climate change is…

"Two-sided reputation in certification markets" Abstract We consider a market where a seller needs to resort to a certifier to overcome adverse selection. There is uncertainty about the certifier'spreferences for disclosing negative information about the seller. The profit of a monopolistic certifier is an inverted U-shaped function of his reputation for transparency: being perceived as more transparent allows him…