Uncertainty, co-ordination and path dependence

Lee, In Ho and Mason, Robin (2007) Uncertainty, co-ordination and path dependence. Journal of Economic Theory. (doi:10.1016/j.jet.2007.03.005).

Abstract

Our objective is to assess whether dynamics hinder or assist co-ordination in a agme with strategic complementarities. We study two dynamic aspects: different agents make decisions at different points in time; and extra information about a payoff-relevant state of nature becomes available over time.
We find that the dynamic resolution of information matters most for uniqueness of equilibrium. This is demonstrated by showing that the condition for uniqueness is weaker when learning occurs. An important consequence of this result is the occurrence of path dependence: the order in which signals arrive matters, as well as the total amount of information received.

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