In this paper we consider the effect of ambiguity on the private provision of public goods. Equilibrium is shown to …

We present a non-technical account of ambiguity in strategic games and show how it may be applied to economics and … social sciences. Optimistic and pessimistic responses to ambiguity are formally modelled. We show that pessimism has the … ambiguity on peace-making are examined. It is shown that ambiguity may select equilibria in coordination games with multiple …

This paper proposes a model of decision under ambiguity deemed vector expected utility, or VEU. In this model, an … that reflects the individual's perception of ambiguity and her attitudes toward it. The adjustment is itself a function of … the act's exposure to distinct sources of ambiguity, as well as its variability. The key elements of the VEU model are a …

We examine the impact of ambiguity on economic behaviour. We present a relatively non-technical account of ambiguity … and show how it may be applied in economics. Optimistic and pessimistic responses to ambiguity are formally modelled. We … also examine the effects of ambiguity on peace processes. It is shown that ambiguity can act to select equilibria in …