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Reconsidering the AMU ― What is the optimal basket currency for Asia? ―

Author

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  • Kentaro KAWASAKI
  • Junko SHIMIZU

Abstract

AMU (Asian Monetary Unit) is a database constructed by Ogawa and Shimizu (2005) and made available on the RIETI website. The AMU basket weights are based on intraregional trade shares and GDP. However, 20 years have passed since its introduction, and the economies of Asian countries, and particularly China's, have developed significantly. Consequently, it has become necessary to review the weights of the AMU basket. The purpose of this paper is to examine which combinations of current Asian currencies form an optimal currency area by using the G-PPP Model, and to explore other possibilities to construct a new basket weight for the AMU. Based on prior research, we confirmed that incorporating factors such as each country's financial openness, exchange rate policy, the share of invoice currencies in intra-regional trade, the share of intra-regional FDI, and the degree of production networks and value chains within the region yielded more balanced weights for the basket. This approach better reflects the current economic conditions in the region.

Suggested Citation

  • Kentaro KAWASAKI & Junko SHIMIZU, 2026. "Reconsidering the AMU ― What is the optimal basket currency for Asia? ―," Discussion papers 26015, Research Institute of Economy, Trade and Industry (RIETI).
    • Handle: RePEc:eti:dpaper:26015
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    References listed on IDEAS

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    1. Gita Gopinath & Emine Boz & Camila Casas & Federico J. Díez & Pierre-Olivier Gourinchas & Mikkel Plagborg-Møller, 2020. "Dominant Currency Paradigm," American Economic Review, American Economic Association, vol. 110(3), pages 677-719, March.
    2. Jeffrey A. Frankel, 1993. "Is Japan Creating a Yen Bloc in East Asia and the Pacific?," NBER Chapters, in: Regionalism and Rivalry: Japan and the United States in Pacific Asia, pages 53-88, National Bureau of Economic Research, Inc.
    3. Enders, Walter & Siklos, Pierre L, 2001. "Cointegration and Threshold Adjustment," Journal of Business & Economic Statistics, American Statistical Association, vol. 19(2), pages 166-176, April.
    4. Xu, Juanyi, 2011. "The optimal currency basket under vertical trade," Journal of International Money and Finance, Elsevier, vol. 30(7), pages 1323-1340.
    5. Robert N McCauley & Chang Shu, 2018. "Recent RMB policy and currency co-movements," BIS Working Papers 727, Bank for International Settlements.
    6. Han, Hsiang-Ling, 2000. "Choice of currency basket weights and its implications on trade balance," International Review of Economics & Finance, Elsevier, vol. 9(4), pages 323-350, October.
    7. Chinn, Menzie D. & Ito, Hiro, 2006. "What matters for financial development? Capital controls, institutions, and interactions," Journal of Development Economics, Elsevier, vol. 81(1), pages 163-192, October.
    8. Boz, Emine & Casas, Camila & Georgiadis, Georgios & Gopinath, Gita & Le Mezo, Helena & Mehl, Arnaud & Nguyen, Tra, 2022. "Patterns of invoicing currency in global trade: New evidence," Journal of International Economics, Elsevier, vol. 136(C).
    9. Enders, Walter & Hurn, Stan, 1994. "Theory and Tests of Generalized Purchasing-Power Parity: Common Trends and Real Exchange Rates in the Pacific Rim," Review of International Economics, Wiley Blackwell, vol. 2(2), pages 179-190, June.
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