Borrowing Capacity, Financial Instability, and Contagion: Case Study of the U.S. Subprime Mortgage Crisis

20 Pages Posted: 5 Aug 2017 Last revised: 8 Jan 2018

See all articles by Youngna Choi

Youngna Choi

Montclair State University - Department of Mathematical Sciences

Date Written: January 6, 2018

Abstract

In this paper we study an agent-based model of economy to investigate the impact of borrowing capacity on financial instability and contagion. We divide an economy into agents that interact via flow of funds and express the financial instability level of each agent as a function of the time derivatives of its wealth, cash inflows, and borrowing capacity. We show that among these factors the borrowing capacity, which itself is determined by other economic constraints, affects the most the financial instability, and it can even cause contagion through feedback loop formed by flow of funds. We use historical time series of the integrated macroeconomic accounts of the United Stated from 1960 to date to verify our conjecture by quantifying the financial instability levels of the agents under different level of borrowing capacity and how they affect one another during the period of the 2007-10 U.S. subprime mortgage crisis. Finally shortcomings from the limitations of data collecting practice is addressed along with partial yet compatible results for selected Eurozone countries.

Keywords: Borrowing capacity, financial instability, contagion

JEL Classification: B16, C02, G01

Suggested Citation

Choi, Youngna, Borrowing Capacity, Financial Instability, and Contagion: Case Study of the U.S. Subprime Mortgage Crisis (January 6, 2018). Available at SSRN: https://ssrn.com/abstract=3013007 or http://dx.doi.org/10.2139/ssrn.3013007

Youngna Choi (Contact Author)

Montclair State University - Department of Mathematical Sciences ( email )

Upper Montclair, NJ 07043
United States
973.655.7782 (Phone)
973.655.7686 (Fax)

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