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Characterization of Complex Systems Using the Design of Experiments Approach: Transient Protein Expression in Tobacco as a Case Study
20:24

Characterization of Complex Systems Using the Design of Experiments Approach: Transient Protein Expression in Tobacco as a Case Study

Published on: January 31, 2014

Size and complexity in model financial systems.

Nimalan Arinaminpathy1, Sujit Kapadia, Robert M May

  • 1Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08540, USA. nimpathy@princeton.edu

Proceedings of the National Academy of Sciences of the United States of America
|October 24, 2012
PubMed
Summary
This summary is machine-generated.

Large banks significantly impact financial stability, with their failure posing systemic risks beyond mere connectivity. Stricter capital requirements for larger institutions can bolster financial system resilience.

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Last Updated: May 17, 2026

Characterization of Complex Systems Using the Design of Experiments Approach: Transient Protein Expression in Tobacco as a Case Study
20:24

Characterization of Complex Systems Using the Design of Experiments Approach: Transient Protein Expression in Tobacco as a Case Study

Published on: January 31, 2014

Area of Science:

  • Financial economics
  • Systemic risk modeling
  • Banking regulation

Background:

  • The global financial crisis underscored the need for a systemic view of financial stability.
  • Key questions involve the role of large banks in systemic risk and capital adequacy.
  • Financial system structure (concentration, diversification) influences stability.

Purpose of the Study:

  • To analyze the systemic role of large banks.
  • To investigate how contagion spreads through liquidity hoarding, asset prices, and counterparty risk.
  • To model the impact of confidence on financial instability.

Main Methods:

  • Development of a simplified, dynamic model of a banking system.
  • Inclusion of three direct contagion transmission channels.
  • Integration of a confidence mechanism for instability propagation.

Main Results:

  • The importance of large, well-connected banks in system stability increases disproportionately with their size.
  • Bank collapse impact is amplified by connectivity and effects on system-wide confidence.
  • Tougher capital requirements for larger banks enhance system resilience.

Conclusions:

  • Larger banks' systemic importance necessitates tailored regulatory approaches, such as differentiated capital requirements.
  • Systemic risk is exacerbated in concentrated financial systems.
  • Findings offer insights for policy, ecosystem stability, and disease control analogies.