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Search Results: 1 - 10 of 840 matches for " Henderson "
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Can Banks Circumvent Minimum Capital Requirements? The Case of Mortgage Portfolio under Basel II  [PDF]
Christopher Henderson, Julapa Jagtiani
Journal of Mathematical Finance (JMF) , 2013, DOI: 10.4236/jmf.2013.33A006

The recent mortgage crisis has resulted in several bank failures. Under the current Basel I capital framework, banks are not required to hold a sufficient amount of capital to support the risk associated with their mortgage activities. The new Basel II capital rules are intended to be more risk based and would require the right amount of capital buffer to support bank risk. However, Basel II models could become too complex and too costly to implement, often resulting in a trade-off between complexity and model accuracy. Since the Basel II rules are meant to be principal based (rather than prescriptive), banks have the flexibility to build risk models that best fit their unique structure. We find that the variation of the model, particularly how mortgage portfolios are segmented, could have a significant impact on the default and loss estimated. This paper finds that the calculated Basel II capital varies considerably across the default prediction model and segmentation schemes, thus providing banks with an incentive to choose an approach that results in the least required capital for them. We find that a more granular segmentation model produces smaller required capital, regardless of the economic environment. Our results suggest that banks may have incentives to build risk models that meet the Basel II requirement and still yield the least amount of required capital.

Nutrient Use Efficiency of Three Fast Growing Hardwood Species across a Resource Gradient  [PDF]
Dawn E. Henderson, Shibu Jose
Open Journal of Forestry (OJF) , 2012, DOI: 10.4236/ojf.2012.24023
Abstract: Attitudes regarding traditional energy sources have shifted toward renewable resources. Specifically, short-rotation woody crop supply systems have become more prevalent for biomass and biofuel production. However, a number of factors such as environmental and inherent resource availability can limit tree production. Given the intensified demand for wood biomass production, forest and plantation management practices are focusing on increasing productivity. Fertilizer application, while generally one of the least expensive silvicultural tools, can become costly if application rates exceed nutrient uptake or demand of the trees especially if it does not result in additional biomass production. We investigated the effect of water and varying levels of nitrogen application (56, 112, and 224 kg·N·ha-1·yr-1) on nutrient content, resorption efficiency and proficiency, N:P and the relationship with ANPP, as well as leaf- and canopy-level nutrient use efficiency of nitrogen, phosphorus, and potassium for Populus deltoides, Quercus pagoda, and Platanus occidentalis. P. deltoides and P. occidentalis reached their maximum nitrogen budget with the application of water suggesting old agricultural fields may have sufficient nutrient levels to sustain short-rotation woody crops negating the application of additional nitrogen for these two species. Additionally, for P. deltoides and Q. pagoda application of nitrogen appeared to increase the uptake of phosphorus however, resorption efficiency for these two species were more similar to studies conducted on nutrient poor sites. Nutrient resorption proficiency for all three nutrients and all three species were at levels below the highest rates of nitrogen application. These findings suggest maximum biomass production may not necessarily be tied to maximum nutrient application.
'n Nuwe gedig van Sappho
WJ Henderson
Tydskrif vir letterkunde , 2006,
Abstract: The publication in 2004 of twenty-six lines of verse by the ancient Greek poet Sappho solves several questions surrounding Fragment 58 Lobel-Page, based on a papyrus dating from the 3rd century A.D. and published in 1922. This papyrus preserved only the righthand side of a poem or poems. The new discovery, on the papyrus cartonnage of a mummy at the University of Cologne, dates from the 3rd century B.C., contains the oldest Sappho text to date and offers what is virtually the lefthand side of one poem and some lines of two other poems. From the integration of the two texts an entire new poem of 12 lines has been recovered. The two papyri were written about 500 years apart – an indication of the sustained interest in this great poet. The present article gives some of the background on the poetess and the new discovery, and offers an Afrikaans translation and analysis of the new poem. The poem deals with the physical and psychological effects of advancing age, and in its directness and realism recalls Sappho's Fragment 31 Lobel-Page. To enhance her theme, she uses the mythological example of the dawngoddess Eos who loved the mortal Tithonus and obtained immortality for him – but without eternal youth. So Tithonus grew ever older while Eos remained young. The example is meant to prove human mortality, and poignantly contrasts Sappho's situation with that of the young girls in her care.
Neuroleptic malignant syndrome in adolescents: Four probable cases in the Western Cape
T Henderson
South African Medical Journal , 2011,
Abstract: Background. Neuroleptic malignant syndrome (NMS) is a rare sideeffect of neuroleptic medication. Most NMS reports have been on adults, and the incidence in children and adolescents is unknown. Objective. This report reviews cases of NMS to highlight possible risk factors for the development of NMS in adolescents. Method. Four cases of probable NMS in adolescents diagnosed in the Western Cape between February 2009 and March 2010 are presented. Results. Risk factors in the development of the syndrome in adolescents in the Western Cape may be male gender, polypharmacy, the use of zuclopenthixol acetate (clopixol acuphase), a previous history of extra-pyramidal side-effects or NMS, and a history of substance misuse – in particular methamphetamine. Conclusion. Caution must be applied in the apparent overuse of intramuscular antipsychotics, and especially zuclopenthixol acetate (clopixol acuphase), in neuroleptic-na ve and agitated psychotic adolescents where the short-term use of benzodiazepines is more appropriate.
Solution matching for boundary value problems for linear equations
Johnny Henderson
International Journal of Mathematics and Mathematical Sciences , 1989, DOI: 10.1155/s0161171289000876
k-component disconjugacy for systems of ordinary differential equations
Johnny Henderson
International Journal of Mathematics and Mathematical Sciences , 1986, DOI: 10.1155/s0161171286000467
Abstract: Disconjugacy of the kth component of the mth order system of nth order differenttal equations Y(n)=f(x,Y,Y ¢ € 2, ¢ € |,Y(n ¢ ’1)), (1.1), is defined, where f(x,Y1, ¢ € |,Yn), ¢ f ¢ yij(x,Y1, ¢ € |,Yn):(a,b) —Rmn ¢ ’Rm are continuous. Given a solution Y0(x) of (1.1), k-component disconjugacy of the variational equation Z(n)= ¢ ‘i=1nfYi(x,Y0(x), ¢ € |,Y0(n ¢ ’1)(x))Z(i ¢ ’1), (1.2), is also studied. Conditions are given for continuous dependence and differentiability of solutions of (1.1) with respect to boundary conditions, and then intervals on which (1.1) is k-component disconjugate are characterized in terms of intervals on which (1.2) is k-component disconjugate.
Optimality and existence for Lipschitz equations
Johnny Henderson
International Journal of Mathematics and Mathematical Sciences , 1988, DOI: 10.1155/s0161171288000328
Abstract: Solutions of certain boundary value problems are shown to exist for the nth order differential equation y(n)=f(t,y,y ¢ € 2, ¢ € |,y(n ¢ ’1)), where f is continuous on a slab (a,b) —Rn and f satisfies a Lipschitz condition on the slab. Optimal length subintervals of (a,b) are determined, in terms of the Lipschitz coefficients, on which there exist unique solutions.
Path Dependence, Escaping Sustained Yield
Bill Henderson
Ecology and Society , 2001,
Eva Rossmann’s mystery novel Russen kommen . The Russians Are Coming. New Crimes, Old Fears, and Intercultural Alliances
Heike Henderson
Studia Austriaca , 2012, DOI: 10.6092/1593-2508/2182
Abstract: Eva Rossmann’s mystery novel Russen kommen, the tenth in a popular series, takes up a hot topic in Austria’s tourism industry: the tensions surrounding the recent influx of newly rich Russian visitors. This article uses Rossmann’s mystery as a case study to examine the impact of global culture and transnational investments on Austrian society. Trapped between provincialism and globalization, Austrians are forced to revisit old fears and find new ways of dealing with contemporary challenges. Due to its wide appeal, popular culture can lead the way in these negotiations.
The Second Public Health Revolution
Henderson A
Indian Journal of Community Medicine , 1989,
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