Discussion paper

DP11447 Protocol Invariance and the Timing of Decisions in Dynamic Games

The timing of decisions is an essential ingredient in modelling any strategic situation. Yet, determining the most realistic and appropriate protocol of moves can be challenging. We introduce a class of dynamic stochastic games that we call separable dynamic games with noisy transitions and establish that they are protocol invariant provided that periods are sufficiently short. Protocol invariance means that the set of
Markov perfect equilibria is nearly the same irrespective of the order in which players are assumed to move within a period. We also show that the equilibria have a remarkably simple structure.

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Citation

Doraszelski, U (2016), ‘DP11447 Protocol Invariance and the Timing of Decisions in Dynamic Games‘, CEPR Discussion Paper No. 11447. CEPR Press, Paris & London. https://cepr.org/publications/dp11447