Reserves Accumulation in African Countries: Sources, Motivations, and Effects
AbstractAfrican countries have accumulated substantial foreign currency reserves in recent years, mostly from higher commodity exports as well as aid flows. In the context of macroeconomic stabilization, which remains at the forefront of national economic policymaking and aid conditionality, African countries are induced to hold reserves to allow monetary authorities to intervene in markets to control the exchange rate and inflation. Adequate reserves also allow the country to borrow from abroad and to hedge against instability and uncertainty of external capital flows. However, reserve accumulation can have high economic and social costs, including a high opportunity cost emanating from low returns on reserve assets, losses due to reserve currency depreciation, and forgone gains from investment and social expenditures that could be financed by these reserves. Therefore, African countries need to have a better understanding of the determinants and economic costs of reserve accumulation and to design optimal reserve management strategies to minimize these costs and maximize the gains from resource inflows. This study uses panel data from 21 African countries to examine the sources, motivation and economic implications of reserve accumulation with a focus on the impact on the exchange rate, inflation, and public and private investment. While the level of reserves remains adequate on average, some countries have accumulated excessive reserves especially in recent years. The empirical analysis in this paper shows that the recent reserve accumulation cannot be justified by portfolio choice motives (in terms of returns to assets) or stabilization objectives. At the same time it has resulted in exchange rate appreciation while it has yielded little benefits in terms of public and private investment. The evidence suggests that African countries, especially those endowed with natural resources, need to adopt a more pro-growth approach to reserve management. JEL Categories: E22; E51; F31; F41
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Bibliographic InfoPaper provided by University of Massachusetts Amherst, Department of Economics in its series UMASS Amherst Economics Working Papers with number 2007-12.
Date of creation: Dec 2007
Date of revision:
external reserves; exchange rate appreciation; sub-Saharan Africa; private and public investment; macroeconomic stabilization.;
Find related papers by JEL classification:
- E22 - Macroeconomics and Monetary Economics - - Macroeconomics: Consumption, Saving, Production, Employment, and Investment - - - Capital; Investment; Capacity
- E51 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Money Supply; Credit; Money Multipliers
- F31 - International Economics - - International Finance - - - Foreign Exchange
- F41 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Open Economy Macroeconomics
This paper has been announced in the following NEP Reports:
- NEP-AFR-2007-12-15 (Africa)
- NEP-ALL-2007-12-15 (All new papers)
- NEP-CBA-2007-12-15 (Central Banking)
- NEP-MAC-2007-12-15 (Macroeconomics)
- NEP-MON-2007-12-15 (Monetary Economics)
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
- Ndikumana, Leonce, 2000. "Financial Determinants of Domestic Investment in Sub-Saharan Africa: Evidence from Panel Data," World Development, Elsevier, vol. 28(2), pages 381-400, February.
- Ndikumana, Leonce, 2005.
"Financial development, financial structure, and domestic investment: International evidence,"
Journal of International Money and Finance,
Elsevier, vol. 24(4), pages 651-673, June.
- Léonce Ndikumana, 2003. "Financial Development, Financial Structure and Domestic Investment: International Evidence," Working Papers wp16, Political Economy Research Institute, University of Massachusetts at Amherst.
- Léonce Ndikumana, 2003. "Financial Development, Financial Structure, and Domestic Investment: International Evidence," UMASS Amherst Economics Working Papers 2003-01, University of Massachusetts Amherst, Department of Economics.
- Léonce Ndikumana & Mina Baliamoune-Lutz, 2008. "Corruption and Growth: Exploring the Investment Channel," UMASS Amherst Economics Working Papers 2008-08, University of Massachusetts Amherst, Department of Economics.
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