Publication: Does Inequality Drive the Dutch Disease?: Theory and Evidence
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Published
2017-05
ISSN
0022-1996
Date
2018-02-05
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In this paper we show that the Dutch disease can arise solely from inequality in the distribution of natural resource rents. Given two otherwise identical countries that differ only in the ownership shares of the natural resource rents, the country with the less equal distribution will have less production of manufacturing goods and less development of learning-by-doing in this sector. As opposed to conventional models, where income distribution has no effect on economic outcomes, an unequal distribution of the resource wealth can generate the Dutch disease dynamics even in countries with an initial comparative advantage in manufacturing. We also provide a range of empirical tests of our model, including both difference and system GMM estimators in a dynamic panel. To disentangle the effects of inequality and institutional quality we purge our inequality measure of any linear or higher order correlations with institutional quality and repeat our system and difference GMM estimations. Our empirical analysis supports the hypothesis that inequality indeed plays a significant role in whether being resource-rich is a blessing or a curse for a country. The more unequal is the distribution of natural resource rents, the stronger is the disease.
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Publication Services, Inequality, and the Dutch Disease(World Bank Group, Washington, DC, 2014-07)This paper shows how Dutch disease effects may arise solely from a shift in demand following a natural resource discovery. The natural resource wealth increases the demand for non-tradable luxury services due to non-homothetic preferences. Labor that could be used to develop other non-resource tradable sectors is pulled into these service sectors. As a result, manufactures and other tradable goods are more likely to be imported, and learning and productivity improvements accrue to the foreign exporters. However, once the natural resources diminish, there is less income to purchase the services and non-resource tradable goods. Thus, the temporary gain in purchasing power translates into long-term stagnation. As opposed to conventional models where income distribution has no effect on economic outcomes, an unequal distribution of the rents from resource wealth further intensifies the Dutch disease dynamics within this framework.Publication Mineral-Rich Countries and Dutch Disease : Understanding the Macroeconomic Implications of Windfalls and the Development Prospects, The Case of Equatorial Guinea(World Bank, Washington, DC, 2008-04)Referring to the original context of Dutch Disease, the term refers to the fears of de-industrialization that gripped the Netherlands as a result of the appreciation of the Dutch currency that followed the discovery of natural gas deposits. Expansion of petroleum exports in the 1960s not only crowded out other exports, it actually reduced other exports disproportionately and fueled the fears of dire consequences for Dutch manufacturing. In the case of Equatorial Guinea, the secondary sector represents about 2 percent of the gross domestic product, manufacturing represents less than 1 percent, and oil represents more than 95 percent. The negative impact of the Dutch Disease in this context would be limited given the structure of the economy and on the contrary may even be a good thing because it fuels the structural transformational process of the economy, which is needed in Equatorial Guinea. This paper argues that the ongoing Dutch Disease is a natural and necessary reallocation of resources in the economy of Equatorial Guinea. The magnitude of negative macroeconomic consequences of the Dutch Disease depends on the country's economic structure and stage of development. In a country where the manufacturing sector barely exists or where the non-oil primary sector is structurally deficient, as has been the case of Equatorial Guinea, there is little to fear about the disease. The oil boom is a blessing, given that oil revenues when properly managed can play a special and critical role in overall economic development and poverty reduction in low-income countries. To promote good governance in the management of the country's oil wealth, the government may wish to adhere to clear standards of accountability and transparency; especially by complying with the Extractive Industries Transparency Initiative (EITI++).Publication Investigating the Transmission Channels behind Dutch Disease Effects(World Bank, Washington, DC, 2017-09)This paper uses a computable general equilibrium model -- Maquette for Millennium Development Goal Simulations (MAMS) -- calibrated to Mongolia to investigate how the development of major mining projects leads to Dutch disease. The simulations suggest that the process is complex, with the relative strength of the different spending and resource movement channels determined by structural features of the economy, such as factor input needs of the mining sector and substitution elasticities, and how mineral windfalls are eventually spent. In Mongolia, mining sector demand for domestic factor inputs explains two-thirds of the appreciation of the real exchange rate, with demand for labor, a "quasi-fixed" factor, the most potent channel for transmitting Dutch disease. The simulations also suggest that public policies may only play a limited role in limiting Dutch disease, even if growing fiscal revenues are channeled toward productivity-enhancing public investment rather than public consumption or lower taxes. This finding suggests that policy makers face real trade-offs, namely that, as an equilibrium response, Dutch disease is unavoidable and at odds with an export-led, manufacturing-oriented development strategy unless resources are left in the ground (or mining earnings are saved abroad). If the objective is to limit Dutch disease, then the simulations point to policies that minimize the usage of domestic inputs by the mining sector, or that accommodate the growing demand for key inputs such as labor e.g. through immigration. Regarding spending, policy makers should channel mining revenues toward public investment, to expand the economy's long-run supply potential. Where large direct income flows from the mining sector to households are important, monetary policy may be more useful than fiscal policy in constraining private spending.Publication Dutch Disease and Spending Strategies in a Resource-Rich Low-income Country : The Case of Niger(World Bank, Washington, DC, 2013-11)This paper examines spending plans suggested by the recent literature regarding Dutch disease and examines their implications to Niger relative to its expanding mineral sector. The key to the benefits of significant mineral revenue lies with the productivity and supply responses of spending. If significant output gain is ensured, then there is little difference across the spending plans in their effects on real consumption. The overshooting of relative prices of the non-tradable sector or the shrinking share of traded sectors in gross domestic product is also ameliorated with greater supply flexibility. Growth paths of alternative spending strategies differ markedly in timing and pattern when spending does not raise productivity. As a caution against expectations that exaggerate the benefits of mineral revenue under all circumstances, the more aggressive spending plan may result in a boom-bust cycle if fiscal adjustments and debt repayments are necessary for any significant borrowing against future revenue and productivity gains are not realized. Using extractive industries revenue for transfers to households would have a greater effect on poverty reduction in the short and medium term but the long-run gains from investment in human and physical capital are likely to offset the initial lack of pro-poor bias. Different strategies differ significantly with regard to risks and required technical implementation capacity and political capacity to sustain a chosen course of action.Publication Demystifying Dutch Disease(World Bank Group, Washington, DC, 2014-07)This paper examines the theory of Dutch disease and its implications for practical policy questions. Dutch disease is a term that is well-known to economists and development practitioners. But it is also a concept that is often conflated with "resource curse" and misinterpreted as a "disease" that necessarily causes adverse impacts on the economy. The paper points out that many of the seemingly well-established arguments in this field are not necessarily grounded in theory or empirical evidence. Great care is needed in diagnosing Dutch disease and formulating policy prescriptions based on the theoretical framework, given the restrictive assumptions that may not be fully applicable and the limited relevance to today s inextricably intertwined trade flows. Countries facing large inflows of foreign currency should focus on safeguarding the domestic economy from the volatility of international commodity and capital markets, and building robust institutions to reduce adjustment costs and boost broader competitiveness. A policy package needs to be comprehensive, covering macroeconomic and structural policy measures, and should be calibrated to target country specific concerns. Policies may need to be adjusted continuously in view of the evolving dynamics of the global and domestic economic environment.
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