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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

Interest-Matching Comparisons using CP-nets

Wicker, Andrew White - 2007

trend of qualitative decision theory by using qualitative preference information to represent a user's interests. In … particular, a common form of preference statements for humans is used as the motivating factor in the formalization of ceteris … paribus preference semantics. This type of preference information led to the development of conditional preference networks …

Persistent link: https://www.econbiz.de/10009431335

14.123 Microeconomic Theory III, Spring 2009

Eso, Peter - 2009

-making under certainty and uncertainty. Topics include preference orderings, expected utility, risk, stochastic dominance …

Persistent link: https://www.econbiz.de/10009432546

A graph-theoretic approach to revealed preference

Wakker, P.P. - 1989

. The relations between choice behaviour and binary relations are studied in revealed preference theory, a theory which … originates from consumer demand theory. This paper presents a graph-theoretic approach to revealed preference theory. This is … the main result from revealed preference theory, a theorem of Richter (1966). Next a duality approach is sketched, where …

Persistent link: https://www.econbiz.de/10009460265

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