43   Artículos

 
en línea
Werry Febrianti, Kuntjoro Adji Sidarto and Novriana Sumarti    
Portfolio optimization is an activity for balancing return and risk. In this paper, we used mean-variance (M-V) portfolio models with buy-in threshold and cardinality constraints. This model can be formulated as a mixed integer nonlinear programming (MIN... ver más
Revista: International Journal of Financial Studies    Formato: Electrónico

 
en línea
Elise E. B. LaDouceur, Linda A. Kuhnz, Christina Biggs, Alicia Bitondo, Megan Olhasso, Katherine L. Scott and Michael Murray    
Sea pigs (Scotoplanes spp.) are deep-sea dwelling sea cucumbers of the phylum Echinodermata, class Holothuroidea, and order Elasipodida. Few reports are available on the microscopic anatomy of these deep-sea animals. This study describes the histologic f... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Raymond Mark Lee, Trent Wade Biggs and Xing Fang    
We quantified effects of future climate warming on temperature and stability in a variably stratified, hypereutrophic reservoir with large fluctuations in water level by calibrating a 2-D model (CE-QUAL-W2, version 3.7.1, Portland State University, Portl... ver más
Revista: Water    Formato: Electrónico

 
en línea
Xin Gao, Xingwei Chen, Trent W. Biggs and Huaxia Yao    
Hydrological models often perform poorly in simulating dry years in regions with large inter-annual variability in rainfall. We calibrated the Soil and Water Assessment Tool (SWAT) model to dry and wet years separately, using the semi-arid Barrett waters... ver más
Revista: Water    Formato: Electrónico

 
en línea
Billy Tusker Haworth, Eloise Biggs, John Duncan, Nathan Wales, Bryan Boruff and Eleanor Bruce    
Multiple factors constrain smallholder agriculture and farmers’ adaptive capacities under changing climates, including access to information to support context appropriate farm decision-making. Current approaches to geographic information dissemina... ver más
Revista: Climate    Formato: Electrónico

 
en línea
Napoleon Gudino-Elizondo, Trent W. Biggs, Ronald L. Bingner, Yongping Yuan, Eddy J. Langendoen, Kristine T. Taniguchi, Thomas Kretzschmar, Encarnacion V. Taguas and Douglas Liden    
Modelling gully erosion in urban areas is challenging due to difficulties with equifinality and parameter identification, which complicates quantification of management impacts on runoff and sediment production. We calibrated a model (AnnAGNPS) of an eph... ver más
Revista: Geosciences    Formato: Electrónico

 
en línea
A. K. Biggs,C. B. Scheepers,M. M. Botha    
AbstractHostile acquisitions have a significant impact on managers and employees. The possibility of an acquisition creates uncertainty and when the acquisition turns hostile it is even more disruptive to the target organisation. Also, negative perceptio... ver más
Revista: South African Journal of Business Management    Formato: Electrónico

 
en línea
Andrew MacLachlan, Eloise Biggs, Gareth Roberts and Bryan Boruff    
Urban land cover is one of the fastest global growing land cover types which permanently alters land surface properties and atmospheric interactions, often initiating an urban heat island effect. Urbanisation comprises a number of land cover changes with... ver más
Revista: Urban Science    Formato: Electrónico

 
en línea
Jonathan Jamieson and James Biggs    
-
Revista: Aerospace    Formato: Electrónico

 
en línea
Stephen R. Carpenter, Kenneth J. Arrow, Scott Barrett, Reinette Biggs, William A. Brock, Anne-Sophie Crépin, Gustav Engström, Carl Folke, Terry P. Hughes, Nils Kautsky, Chuan-Zhong Li, Geoffrey McCarney, Kyle Meng, Karl-Göran Mäler, Stephen Polasky, Marten Scheffer, Jason Shogren, Thomas Sterner, Jeffrey R. Vincent, Brian Walker, Anastasios Xepapadeas and Aart De Zeeuw    
Revista: Sustainability    Formato: Electrónico

« Anterior     Página: 1 de 4     Siguiente »