Population pressure and land degradation: the case of Ethiopia

Article Abstract:

The correlation between population pressure and land degradation is examined. Using agriculture-based Ethiopia as a basis, and considering factors such as rain frequency, slope, soil as well as human factors like farming systems and harvest frequency, it is determined that land erosion level is higher in regions where the farming systems rely mostly on animals for plowing in producing grains and other yearly crops. It is concluded that soil erosion is lower in areas with higher forest cover.

Economic aspects, Demographic aspects, Ethiopia, Land use, Population

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On the welfare significance of green accounting as taught by parable

Article Abstract:

More comprehensive interpretations to Green NNP, a national accounting concept that deducts the depletion of environmental assets from conventional GNP computations, may be provided. The new assessment takes into more general consideration the movement of pools of natural resources, human capital and environmental assets, under specific assumptions among which is the existence of a perfectly competitive dynamic economy with constant rate of return on single ideal consumption good.

Models, Accounting and auditing, Accounting

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One-sided sustainability tests with amenities, and changes in technology, trade and population

Article Abstract:

The sustainability of national economies is measured using green net national product (GNNP) adjustments to aggregate income, investment or wealth data. The practical and philosophical rationale for testing sustainability in a present-value-maximizing development path is discussed.

National Income, Analysis, Evaluation, Central planning

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