Algorithms for Stochastic Games With Perfect Monitoring

S-Tier
Journal: Econometrica
Year: 2020
Volume: 88
Issue: 4
Pages: 1661-1695

Authors (3)

Dilip Abreu (not in RePEc) Benjamin Brooks (University of Chicago) Yuliy Sannikov (not in RePEc)

Score contribution per author:

2.681 = (α=2.01 / 3 authors) × 4.0x S-tier

α: calibrated so average coauthorship-adjusted count equals average raw count

Abstract

We study the pure‐strategy subgame‐perfect Nash equilibria of stochastic games with perfect monitoring, geometric discounting, and public randomization. We develop novel algorithms for computing equilibrium payoffs, in which we combine policy iteration when incentive constraints are slack with value iteration when incentive constraints bind. We also provide software implementations of our algorithms. Preliminary simulations indicate that they are significantly more efficient than existing methods. The theoretical results that underlie the algorithms also imply bounds on the computational complexity of equilibrium payoffs when there are two players. When there are more than two players, we show by example that the number of extreme equilibrium payoffs may be countably infinite.

Technical Details

RePEc Handle
repec:wly:emetrp:v:88:y:2020:i:4:p:1661-1695
Journal Field
General
Author Count
3
Added to Database
2026-01-25