An asymmetric model on Seigniorage and the dynamics of net foreign assets

Georg Dettmann

International Review of Economics, 2015, vol. 62, issue 1, 55 pages

Abstract: The emergence of international current account imbalances has dominated the economic debate for several years and has been considered one of the main reasons for the turbulences in the world economy since 2007. Economic theory suggests that an economy cannot run persistent current account deficits without depleting its net foreign assets. Nevertheless, for most of the 2000s, the US net foreign liabilities grew at a rate below the one of the cumulative current account deficit. To investigate on the mechanisms that allow the USA to do so, this paper sets up a two-country DGE model with asymmetric liquidity constraints. The model will show that there is a permanent wealth transfer from the world to the USA. The unique position of the USA not only allows them to run persistent current account deficits, but also imposes a permanent decay on the American current account. As the issuer of the world key currency in an asymmetric world monetary system, the USA can make use of Seigniorage and valuation effects to be able to run a continuous current account deficit. These mechanisms work in favour of their net foreign bond holdings, but let their current account further deteriorate. The corresponding one-way capital flows were part of the distortions that laid the ground for the world financial crisis 2007–2009. Future will show if a multi polar world with several (regional) reserve currencies emerges. Copyright Springer-Verlag Berlin Heidelberg 2015

Keywords: Seigniorage; NFA positions; Current account; DGE; Two-country model; Borrowing constraints; International monetary theory; E41; E42; E47; E51; F31; F32; F47; G12; G15 (search for similar items in EconPapers)
Date: 2015
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DOI: 10.1007/s12232-014-0214-8

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