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  • 1
    Online Resource
    Online Resource
    Perverse Supply Response in the Liberian Mining Sector (2013)
    Washington, D.C : The World Bank
    Details
    Language: English
    Pages: Online-Ressource (25 p)
    Edition: 2013 World Bank eLibrary
    Parallel Title: Graham, Errol G Perverse Supply Response in the Liberian Mining Sector
    Abstract: Under neoclassical assumptions, and the usual ceteris paribus stipulations, a profit maximizing firm is expected to increase production in response to rising prices. These situations normally produce the rather well-known upward sloping supply curve for the firm which can usually be generalized to the industry. This paper examines whether these situations held for firms in the iron ore mining sector in Liberia between 1951 and 1985 under a system where royalties were levied on the per unit level of production and on the basis of the price of the ore. It investigates whether iron ore mining companies have an incentive to increase ore production when prices are low to attract lower total royalty payments under conditions where: (a) base-mining operations are vertically integrated and firms employ transfer pricing between mining and upstream processing entities and (b) large quantities of ore can be shipped at relatively low prices and held in inventory either as ore or added-value products, such as steel, to take advantage of higher prices in the future. The paper specifies and estimates two simple linear supply models of the Liberian iron ore industry. It uses data for 1951-1985, the period for which the most consistent and reliable data exist prior to the start of the 14-year conflict in 1989. The analysis finds that the price coefficient estimates from both models are robust but negative and suggest that a perverse response in the supply behavior of mining companies in Liberia over the period 1951-1985 cannot be ruled out
    DOI: 10.1596/1813-9450-6663
    URL: Volltext  (Deutschlandweit zugänglich)
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    MPI Ethno. Forsch.
  • 2
    Online Resource
    Online Resource
    An optimal rice policy for Sierra Leone : balancing consumer and producer welfare (2020)
    [Washington, DC, USA] : World Bank Group, Agriculture Global Practice & Macroeconomics, Trade and Investment Global Practice
    Details
    Language: English
    Pages: 1 Online-Ressource (circa 34 Seiten) , Illustrationen
    Series Statement: Policy research working paper 9369
    Series Statement: World Bank E-Library Archive
    Series Statement: Policy research working paper
    Parallel Title: Erscheint auch als Graham, Errol George An Optimal Rice Policy for Sierra Leone: Balancing Consumer and Producer Welfare
    Keywords: Graue Literatur
    Abstract: Rice is a staple food in the West African nation of Sierra Leone with little difference in consumption between poor and wealthy households. Rice production is also an important source of livelihood with half of all households, three-quarters of rural households and about two-thirds of poor households grow rice. The final price of rice in the domestic market is an important policy issue. The policy challenge is complicated by the fact that poor households, which earn the bulk of their income from rice production, also purchase rice when own production is inadequate. Under the broad assumption that money income is a reasonable measure of well-being, this paper develops a simple model of the Sierra Leone rice sector and applies procedures to determine key outcomes in terms of domestic production, imports, and exports under conditions that maximize consumer's and producer's surplus. The paper finds that the rice sector is operating at a suboptimal level. In addition, simulations suggest that an optimal policy path to balance consumer and producer welfare and meet the higher societal objective of creating jobs requires a moderate level of tariff on imported rice, combined with structural policies to improve the productivity of the sector
    DOI: 10.1596/1813-9450-9369
    URL: lizenzpflichtig
    URL: Deutschlandweit zugänglich
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    Online Resource
    MPI Ethno. Forsch.
  • 3
    Online Resource
    Online Resource
    Estimating Poverty in the Absence of Consumption Data : The Case of Liberia (2014)
    Washington, D.C : The World Bank
    Details
    Language: English
    Pages: Online-Ressource (27 p)
    Edition: 2014 World Bank eLibrary
    Parallel Title: Dabalen, Andrew Estimating Poverty in the Absence of Consumption Data
    Abstract: In much of the developing world, the demand for high frequency quality household data for poverty monitoring and program design far outstrips the capacity of the statistics bureau to provide such data. In these environments, all available data sources must be leveraged. Most surveys, however, do not collect the detailed consumption data necessary to construct aggregates and poverty lines to measure poverty directly. This paper benefits from a shared listing exercise for two large-scale national household surveys conducted in Liberia in 2007 to explore alternative methodologies to estimate poverty indirectly. The first is an asset-based model that is commonly used in Demographic and Health Surveys. The second is a survey-to-survey imputation that makes use of small area estimation techniques. In addition to a standard base model, separate models are estimated for urban and rural areas and an expanded model that includes climatic variables. Special attention is paid to the inclusion of cell phones, with implications for other assets whose cost and availability may be changing rapidly. The results demonstrate substantial limitations with asset-based indexes, but also leave questions as to the accuracy and stability of imputation models
    DOI: 10.1596/1813-9450-7024
    URL: Volltext  (Deutschlandweit zugänglich)
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    Online Resource
    MPI Ethno. Forsch.
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