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1.
Conklin James Coulson N. Edward Diop Moussa Le Thao 《The Journal of Real Estate Finance and Economics》2020,61(1):1-38
The Journal of Real Estate Finance and Economics - In mortgage debt contracts, real property serves as collateral and the terms of mortgage financing are largely conditional on the certification of... 相似文献
2.
The Jóór (Dior) soils of Senegal's Peanut Basin are inherently low in organic matter, limiting yields of millet and other crops and threatening the food security of smallholders. Focus groups and interviews were conducted in eight villages to characterise the site-specific fertility management by farmers in the Peanut Basin. Results of the qualitative survey revealed that farmers base management decisions on a series of fertility indicators that include type, colour, and texture of soil, presence of vegetation, and productivity in previous years. In an effort to equalise fertility across the field, farmers amend areas they classify as less fertile with decomposed manure and household waste from the family sëntaare (traditional pile) orwith compost from managed piles. On-site measurements of soil in areas of fields amended with compost or sëntaare material revealed significant increases in peanut and millet growth over unamended areas, but little difference between the effects of compost and manure. Similarly, chemical analysis revealed increased effective cation exchange capacity (ECEC) and nutrient concentrations (K, Mg and Al) in soils amended with compost or manure. Similarities in the chemical characteristics of compost and sëntaare material suggest that development workers could emphasise improved pile management rather than promoting more labour-intensive composting. 相似文献
3.
Abstract . Some governments of developing economieshzve been encouraged to use pricing policy to stimulate increases in food production. It is not known whether all subsistence farmers in those countries operate in an economic, financial and technological environment in which they can respond positively to price increases. In this paper models were used to demonstrate two situations: one in which farmers responded to price stimulation and another where price increases were ineffective, costly and produced results inconsistent with national goals. Data from the Basse Casamance Region in Senegal were used to show that farmers were not responsive to price changes and were net purchasers of grains. The study concludes that unless farmers' supply curves were shifted to the right—that is, that they meet more of their own subsistence needs—recent Senegalese government rice price increases could be harmful to the farm family. 相似文献
4.
Maria-Angels Oliva Luis A. Rivera-Batiz & Amadou N. R. Sy 《Review of International Economics》2001,9(4):608-625
The paper models the choice between currency boards (CBs) and adjustable pegs (or managed floating). Countries adopting CBs have grown faster and inflated less on average than countries adopting other regimes. The explanation hinges on key features of CBs: policy discipline and inflation credibility. The authors find separating equilibria in which a weak government chooses a CB as a discipline device while a tough government chooses a standard peg for its policy flexibility. Paradoxically, the weak government can then outperform the tough government on average. In simulations performed, CBs welfare can exceed peg welfare even when unemployment persistence is strong. 相似文献
5.
Will African Agriculture Survive Climate Change? 总被引:7,自引:0,他引:7
Kurukulasuriya Pradeep; Mendelsohn Robert; Hassan Rashid; Benhin James; Deressa Temesgen; Diop Mbaye; Eid Helmy Mohamed; Fosu K. Yerfi; Gbetibouo Glwadys; Jain Suman; Mahamadou Ali; Mano Renneth; Kabubo-Mariara Jane; El-Marsafawy Samia; Molua Ernest; Ouda Samiha; Ouedraogo Mathieu; Sene Isidor; Maddison David; Seo S. Niggol; Dinar Ariel 《World Bank Economic Review》2006,20(3):367-388
Measurement of the likely magnitude of the economic impact ofclimate change on African agriculture has been a challenge.Using data from a survey of more than 9,000 farmers across 11African countries, a cross-sectional approach estimates howfarm net revenues are affected by climate change compared withcurrent mean temperature. Revenues fall with warming for drylandcrops (temperature elasticity of 1.9) and livestock (5.4),whereas revenues rise for irrigated crops (elasticity of 0.5),which are located in relatively cool parts of Africa and arebuffered by irrigation from the effects of warming. At first,warming has little net aggregate effect as the gains for irrigatedcrops offset the losses for dryland crops and livestock. Warming,however, will likely reduce dryland farm income immedia-tely.The final effects will also depend on changes in precipitation,because revenues from all farm types increase with precipitation.Because irrigated farms are less sensitive to climate, wherewater is available, irrigation is a practical adaptation toclimate change in Africa. 相似文献
6.
This study explores the impact of investment characteristics, mainly investment location relative to the firm's primary market, on financing choices by real estate investment trusts (REITs). Using a large sample of commercial property acquisitions, we show that REITs are 4–8% less likely to use secured (mortgage) debt when acquiring properties in their primary markets than elsewhere. The documented evidence supports a demand‐side story for the relation between investment characteristics and financing. Moreover, the evidence is consistent with the hypothesis that REITs avoid mortgage financing in their primary markets to preserve operational flexibility in those markets. 相似文献
7.
Christophette Blanchet-Scalliet Awa Diop Rajna Gibson Denis Talay Etienne Tanré 《Journal of Banking & Finance》2007
In this study, we compare the performance of trading strategies based on possibly mis-specified mathematical models with a trading strategy based on a technical trading rule. In both cases, the trader attempts to predict a change in the drift of the stock return occurring at an unknown time. We explicitly compute the trader’s expected logarithmic utility of wealth for the various trading strategies. We next rely on Monte Carlo numerical experiments to compare their performance. The simulations show that under parameter mis-specification, the technical analysis technique out-performs the optimal allocation strategy but not the Model and Detect strategies. The latter strategies dominance is confirmed under parameter mis-specification as long as the two stock returns’ drifts are high in absolute terms. 相似文献
8.
Abstract: This paper proposes an empirical study of the links between poor governance, weak institutions and the growth of per capita income in the countries that belong to the Economic Community of West African States (ECOWAS). We estimate a conditional beta‐convergence model using panel data. We find that variables such as the rule of law, property rights, the regulatory burden, political violence, and government ineffectiveness hinder growth in these countries. An interesting question is then the following: what can the countries do to improve their situations? To answer this question, we give several examples (Ghana, Nigeria and the NEPAD) of measures that are undertaken in order to strengthen the institutions and improve governance. 相似文献
9.
While incentive framing has been shown to promote workers’ effort, little is known about how it affects other dimensions of the employer-employee relationship. This paper examines whether incentive framing can also influence workers propensity to engage in an activity disloyal to their employer: corruption. To do so, we conducted an experiment in which graders are offered a bribe to report a better grade. Three treatments are conducted by framing economically equivalent contracts as menus of bonuses, penalties, or bonuses and penalties. We find that graders are more corrupt when incentives are framed as a combination of bonuses and penalties, while no difference is found between the bonus and the penalty contracts. These results are inconsistent with both standard economic theory and labor reciprocity. 相似文献
10.
This paper offers an alternative perspective on achieving contextual ambidexterity in organizations. Building on a collaborative research project within Renault’s Innovation Department, we identified that the corporate Fab Lab acted as a parallel structure in support of contextual ambidexterity. These findings provide three main contributions. First, we locate a source of contextual ambidexterity outside of the traditional business unit. In doing so, we challenge the dominant focus on managers, and show that, despite non-supportive contexts, employees can demonstrate ambidextrous skills through individual autonomous initiatives and bootlegging behaviors. Second, we delineate four key functions and related features – spatial, technical, methodological, and cultural – of parallel structures that nurture contextual ambidexterity. Finally, we recommend that the facilitation of a parallel structure should combine both flexibility and stability. 相似文献