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Efficient accommodation of local minima in watershed model calibration

Skahill, B. E.; Doherty, J. E. - 2006

The Gauss-Marquardt-Levenberg (GML) method of computer-based parameter estimation, in common with other gradient-based approaches, suffers from the drawback that it may become trapped in local objective function minima, and thus report optimized parameter values that are not, in fact, optimized...

Persistent link: https://www.econbiz.de/10009447949

Development and structuring of commercial mortgage-backed securities in Australia

Chikolwa, Bwembya - 2008

According to the Reserve Bank of Australia (2006) the increased supply of Commercial Mortgage-Backed Securities (CMBS), with a range of subordination, has broadened the investor base in real estate debt markets and reduced the commercial property sector’s dependence on bank financing The CMBS...

Persistent link: https://www.econbiz.de/10009437644

Development and structuring of CMBS in Australia

Chikolwa, Bwembya - 2009

CMBS are an important segment of the real estate debt markets which reduce the commercial property sector's dependence on bank financing. Until the advent of the credit squeeze in Q3:2007, the CMBS market was one of the most dynamic and fastest-growing sectors in the capital markets, for a...

Persistent link: https://www.econbiz.de/10009437694

Determinants of listed property trust bond ratings : Australian evidence

Chikolwa, Bwembya - 2008

Using artificial neural networks (ANN) and ordinal regression (OR) as alternative methods to predict LPT bond ratings, we examine the role that various financial and industry variables have on Listed Property Trust (LPT) bond ratings issued by Standard and Poor’s from 1999-2006. Our study...

Persistent link: https://www.econbiz.de/10009438140

Determinants Of Australian listed property trust bond ratings

Chikolwa, Bwembya - 2008

Using artificial neural networks (ANN) and ordinal regression (OR) as alternative methods to predict LPT bond ratings, we examine the role that various financial and industry-based variables have on Listed Property Trust (LPT) bond ratings issued by Standard and Poor?s from 1999-2006. Our study...

Persistent link: https://www.econbiz.de/10009483215

Consumer Choice for Fresh Fish: Factors Affecting Purchase Decisions

Nauman, Fayyaz A.; Gempesaw, Conrado M.; Bacon, J. Richard - 1995

A consumer survey of the northeastern United States was conducted to gather market information regarding the decision to purchase fresh hybrid striped bass, trout and salmon. Logit techniques were used to model the experience, perceptions, preferences, and choices of consumers for seafood...

Persistent link: https://www.econbiz.de/10009444673

O arroz no varejo e os fatores que influenciam o dispêndio das famílias consumidoras

Gameiro, Augusto Hauber; Gameiro, Mariana Bombo Perozzi - 2008

Despite the well-known idea that rice is a commodity andthus it is unlikely to be differentiated, there is a large number of riceproducts available in the retail market, with different classification,standards, packages, brands etc. It can be observed significant variationin their prices,...

Persistent link: https://www.econbiz.de/10009446921

Institutional Equilibrium and Equilibrium Institutions

Shepsle, Kenneth A. - 1983

"This theme paper focuses on political institutions and their effects on social choice. Institutions are argued to play a mediating rolebetween the preferences of individuals and social choices. In addition to playing an endogenous role in molding and channeling preferences, institutions...

Persistent link: https://www.econbiz.de/10009468358

Fashions, Habits and Changing Preferences: Simulation of Psychological Factors Affecting Market Dynamics

Janssen, Marco A.; Jager, Wander - 2007

"Markets can show different types of dynamics, from quiet markets dominated by one or few products, to markets with constant penetration of new and reintroduced products. This paper explores the dynamics of markets from a psychological perspective using a multi-agent simulation model. The...

Persistent link: https://www.econbiz.de/10009468364

Preference Under Risk: An Application of Nonexpected Utility Theories

Loehman, Edna T. - 1992

and psychology regarding how to model preference over gambles. A method for measuring risk preference combining revealed … preference and nonlinear programming is proposed. A small demonstration of the method was used to compare alternative theories of … risk preference. The application reveals contradictions of economic and psychology theories in terms of the assumption of …

Persistent link: https://www.econbiz.de/10009468391