A Theory of Collateral Requirements for Central Counterparties

Jessie Jiaxu Wang, Agostino Capponi, Hongzhong Zhang

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

This paper develops a framework for designing collateral requirements in a centrally cleared market. Clearing members post collateral—initial margins and default funds—to increase their pledgeable income, thereby committing to risk management. The two types of collateral, however, are not perfect substitutes. By achieving loss mutualization, default funds are economically more efficient than initial margins in aligning members’ incentives for risk management ex ante. The optimal mix of collateral resources balances the efficiency in providing incentives with their relative opportunity costs. Our model predicts increased use of initial margins under stringent capital requirements and of default funds under distressed market scenarios.

Original languageEnglish (US)
Pages (from-to)6993-7017
Number of pages25
JournalManagement Science
Volume68
Issue number9
DOIs
StatePublished - Sep 2022

Keywords

  • central counterparty
  • collateral
  • default funds
  • initial margins
  • macro-prudential policy

ASJC Scopus subject areas

  • Strategy and Management
  • Management Science and Operations Research

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