2012
DOI: 10.1111/roiw.12006
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Comparability of GDP estimates in Sub‐Saharan Africa: The effect of Revisions in Sources and Methods Since Structural Adjustment

Abstract: The unreliability of African income estimates was highlighted when Ghana announced that GDP estimates were revised upwards by 60.3 percent in November 2010. Similar revisions are to be expected in other countries. Many statistical offices are currently using outdated base years. It is argued that with the current uneven application of methods and poor availability of data, any ranking of countries according to GDP levels is misleading. The paper emphasizes the challenges for “data users” in light of these revi… Show more

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Cited by 65 publications
(59 citation statements)
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“…Mathematically, tax_rel = tottax / (tottax+totnontax) 16 In recent years it has been increasingly recognised that GDP is substantially underestimated in many developing countries owing to infrequent GDP rebasing, with a resultant overestimation of tax and revenue measured as a share of GDP (Jerven 2013;Prichard et al 2014 Our primary dependent variable is democracy, which is constructed by employing the Polity2 measure of democracy from the Polity IV dataset, and normalising it to the range 0 to 100 (Marshall et al 2012). This follows the dominant trend in the literature, as the polity measure of procedural democracy is reliable and readily available, while democracy is a useful proxy for the broader quality of accountability and governance.…”
mentioning
confidence: 99%
“…Mathematically, tax_rel = tottax / (tottax+totnontax) 16 In recent years it has been increasingly recognised that GDP is substantially underestimated in many developing countries owing to infrequent GDP rebasing, with a resultant overestimation of tax and revenue measured as a share of GDP (Jerven 2013;Prichard et al 2014 Our primary dependent variable is democracy, which is constructed by employing the Polity2 measure of democracy from the Polity IV dataset, and normalising it to the range 0 to 100 (Marshall et al 2012). This follows the dominant trend in the literature, as the polity measure of procedural democracy is reliable and readily available, while democracy is a useful proxy for the broader quality of accountability and governance.…”
mentioning
confidence: 99%
“…In a series of articles, Morten Jerven recently highlighted the deficiencies of macroeconomic data, especially in the case of African economies (Jerven, 2013b(Jerven, ,a, 2011. The resulting book directed to a larger audience, "Poor Numbers" (Jerven, 2013c), has drawn considerable attention to the shortcomings of data collection.…”
Section: The Quality Of Macroeconomic Datamentioning
confidence: 99%
“…8 The backward projection of Maddison's per capita GDP for 1950 with these volume indices increased the variance in income levels within both French West and Equatorial African countries. 9 The uncertainty about 1950 GDP levels in Sub-Saharan Africa no doubt increases the error margins of these conjectural estimates (Jerven 2012b). population.…”
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confidence: 99%