Exchange Market Pressure in African Lusophone Countries
AbstractThis paper explores the credibility of exchange rate arrangements for the five African Portuguese-speaking (PALOP) countries. Our working hypothesis is that credibility necessarily implies low mean exchange market pressure (EMP), low EMP conditional volatility and low-severity EMP crises. In addition, economic fundamentals must account for EMP dynamics. We also seek evidence of a risk-return relationship for mean EMP and of “bad news” (negative shocks) having a greater impact on EMP volatility than “good news” (positive shocks). Using our econometric models, we are able to rank PALOP countries’ conditional volatility in ordinal terms. Our main conclusion is that countries with currency pegs, such as Guinea-Bissau (GB) and Cape Verde (CV), clearly have lower volatility when compared to those with managed floats and are therefore more credible. Moreover, EMP crises episodes under pegs are much less severe. We find that economic fundamentals correctly account for mean EMP in all countries and that the risk-return relationship is much more favourable for investors under currency pegs, as the increase in volatility is lower for the same rate of return. The exception to this finding is Mozambique (MOZ), which apparently has a risk-return profile akin to that enjoyed by countries with pegs. A plausible reason is that MOZ has the only managed float in our sample implementing monetary and exchange rate policy within the confines of an IMF framework, which establishes floors for international reserves and ceilings for the central bank’s net domestic assets. This intuition needs to be tested, however. EMP conditional volatility is generally driven by changes in domestic credit (lowers it) and foreign reserve changes (raises it). The first effect is more pronounced under currency pegs, but also under MOZ’s managed float. “Bad news” increases volatility more that “good news” only in the case of CV’s currency peg, which we take to be another sign of its credibility. A few striking cross-country comparisons also emerge in our analysis. Among countries with managed floats, we find that Angola (ANG) has the most severe EMP crises whilst MOZ has the least severe. São Tomé & Princípe (STP), meanwhile, lies between these two extremes but its EMP crises behaviour is clearly much closer to that of MOZ. STP’s credibility may also be improving since its volatility has declined as of 2002 and its level is now much closer to that of MOZ, whose managed float has lowest volatility of such arrangements.
Download InfoIf you experience problems downloading a file, check if you have the proper application to view it first. In case of further problems read the IDEAS help page. Note that these files are not on the IDEAS site. Please be patient as the files may be large.
Bibliographic InfoPaper provided by Universidade Nova de Lisboa, Faculdade de Economia in its series FEUNL Working Paper Series with number wp527.
Length: 51 pages
Date of creation: 2008
Date of revision:
This paper has been announced in the following NEP Reports:
- NEP-AFR-2008-03-01 (Africa)
- NEP-ALL-2008-03-01 (All new papers)
- NEP-CBA-2008-03-01 (Central Banking)
- NEP-IFN-2008-03-01 (International Finance)
- NEP-OPM-2008-03-01 (Open Economy Macroeconomic)
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.:
- Gupta, Vipin & Hanges, Paul J. & Dorfman, Peter, 2002. "Cultural clusters: methodology and findings," Journal of World Business, Elsevier, vol. 37(1), pages 11-15, April.
- Cabrera, Elizabeth F. & Ortega, Jaime & Cabrera, Ángel, 2003. "An exploration of the factors that influence employee participation in Europe," Journal of World Business, Elsevier, vol. 38(1), pages 43-54, February.
- Elizabeth F. Cabrera & Ángel Cabrera & Jaime Ortega, 2001. "Employee Participation In Europe," Business Economics Working Papers wb010602, Universidad Carlos III, Departamento de Economía de la Empresa.
- Hull, Galen Spencer, 2000. " U.S. MBA and Management Training Programs in Central and Eastern Europe," The Journal of Technology Transfer, Springer, vol. 25(3), pages 319-27, October.
For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: (Sean Story).
If references are entirely missing, you can add them using this form.