THE IMPOSSIBLE TRINITY — FROM THE POLICY TRILEMMA TO THE POLICY QUADRILEMMA

Joshua Aizenman

Global Journal of Economics (GJE), 2013, vol. 02, issue 01, 1-17

Abstract: The policy Trilemma (the ability to accomplish only two policy objectives out of financial integration, exchange rate stability and monetary autonomy) remains a valid macroeconomic framework. The financial globalization during 1990s–2000s reduced the weighted average of exchange rate stability and monetary autonomy. An unintended consequence of financial globalization is the growing exposure of developing countries to capital flights, and deleveraging crises. The significant costs associated with these crises added financial stability to the Trilemma policy goals, modifying the Trilemma framework into the policy Quadrilemma. Emerging markets frequently coupled their growing financial integration with sizable hoarding of reserves, as means of self-insuring their growing exposure to financial turbulences. The global financial crisis of 2008–2009 illustrated both the usefulness and the limitations of hoarding reserves as a self-insurance mechanism. While modifying the global financial architecture to deal with the challenges of the 21st century remains a work in progress, the extended Trilemma framework keeps providing useful insights about the trade-offs and challenges facing policy makers, investors, and central banks.

Keywords: The impossible trinity; policy trilemma; financial stability; international reserves; JEL Classifications: F15; JEL Classifications: F36 (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (21)

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Working Paper: The Impossible Trinity – from the Policy Trilemma to the Policy Quadrilemma (2011)
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DOI: 10.1142/S2251361213500018

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