6,219,102 research outputs found

    Old problems in the new solutions?

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    Despite their disappointing performance in the recent past, fertilizer subsidies have re-emerged as a tool in the agricultural strategies of many countries in Sub-Saharan Africa. The new paradigm for fertilizer subsidies calls for use of such mechanisms as vouchers to target benefits to poor smallholders and public–private partnerships to develop private markets. There is some belief that with these innovations, fertilizer subsidy programs will circumvent the deleterious consequences of the programs of the past. However, there has been a glaring lack of innovation in how to prevent politics from dominating the allocation of subsidy program benefits and exacerbating inefficiencies as was the experience in earlier programs. This paper studies how vouchers, which could be used towards the purchase of fertilizer, were distributed amongst districts in Ghana’s 2008 fertilizer subsidy program. We find that politics played a significant role in the allocation of vouchers. Higher numbers of vouchers were targeted to districts that the ruling party had lost in the previous presidential elections and more so in districts that had been lost by a higher margin. A district received 2 percent more vouchers for each percentage point by which the ruling party had lost the previous presidential election - this amount is both statistically and numerically significant. The analysis also shows that district poverty levels, which should have been an important consideration in an economic efficiency motivated distribution, were not a statistically significant determinant of districts’ voucher allocation. The evidence that vouchers were targeted to areas in which the opposition party received strong support is suggestive of the vouchers being used for vote-buying. This finding raises the caution that despite innovations in implementing fertilizer subsidies, politically motivated allocation of subsidy benefits remains a major potential source of inefficiency.Fertilizer, politics, Subsidies,

    A New Solution of The Cosmological Constant Problems

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    We extend the usual gravitational action principle by promoting the bare cosmological constant (CC) from a parameter to a field which can take many possible values. Variation leads to a new integral constraint equation which determines the classical value of the effective CC that dominates the wave function of the universe. In a realistic cosmological model, the expected value of the effective CC, is calculated from measurable quantities to be O(t_U), as observed, where t_U is the present age of the universe in Planck units,. Any application of our model produces a falsifiable prediction for Λ\Lambda in terms of other measurable quantities. This leads to a specific falsifiable prediction for the observed spatial curvature parameter of Omega_k0=-0.0055. Our testable proposal requires no fine tunings or extra dark-energy fields but does suggest a new view of time and cosmological evolution.Comment: 5 pages; v3: version accepted by Phys. Rev. Let

    The 1957 New York Legislation on Wire-Tapping Problems

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    The Commodity Question: New Thinking on Old Problems

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