Contracting with Imperfect Commitment: Minimal Canonical Contracts

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We study contracting with imperfect commitment and identify minimal canonical contract spaces that fully characterize equilibrium outcomes under general preferences. Different from previous solutions, our framework accommodates infinite agent type spaces (unlike Bester and Strausz (2001)), non-quasi-linear utilities (unlike Skreta (2006)), and settings where the principal lacks the commitment power typically assumed in information design (unlike Doval and Skreta (2021)). Moreover, our results apply to both single- and multi-principal environments, providing a unified and tractable approach to contracting under limited commitment.