Scalable Structural Estimation of Networked Infrastructure: Exact Decomposition for Localized Coordination
网络化基础设施的可扩展结构估计:局部协调的精确分解
Interaction effects are often economically central in environments where structural dynamic estimation becomes computationally infeasible. Under fixed group membership and sparse within-group interaction structure, the Bellman operator admits a block-diagonal decomposition that allows high-dimensional dynamic programs to be solved through independent group-level subproblems while preserving the original structural problem exactly. The result applies to a class of dynamic…