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Baum-Eagon inequality in probabilistic labeling problems

Gallo, Crescenzio; Stasio, Giancarlo de - EconWPA - 2005

This work illustrates an approach to the study of labeling, aka 'object classification'. This kind of parallel computing problem well suites to AI applications (pattern recognition, edge detection, etc.) Our target consists in simplifying an overly computationally costly algorithm proposed by...

Persistent link: https://www.econbiz.de/10005125566

Collective and individual rationality: Robert Malthus’s heterodox theodicy

Denis, Andy - EconWPA - 2003

This paper forms part of a research project investigating conceptions of the relationship between micro-level self-seeking agent behaviour and the desirability or otherwise of the resulting macro-level social outcomes in the history of economics. I identify two kinds of conservative rhetorical...

Persistent link: https://www.econbiz.de/10005076660

An e-Business Model Ontology for Modeling e-Business

Osterwalder, Alexander; Pigneur, Yves - EconWPA - 2002

-business models, we introduce a new e-Business Model Ontology. Using the concept of business models can help companies understand … generic e-Business Model Ontology (a rigorous definition of the e-business issues and their interdependencies in a company …-business management and IS Requirements Engineering. The e-Business Model Ontology is based on an extensive literature review and …

Persistent link: https://www.econbiz.de/10005134455

Long–term Business Relationships between Consignor and Trucking Carrier in Japan

KASUGA, Norihiro; Torii, Akio - EconWPA - 2005

In this paper, we have empirically analyzed the factors that lead to longer business relationships in the logistics … capital, such as skill in workers and know-how, is important to improve efficiency of the whole logistics system. At the same … volatility of demand tend to rely on transportation services procured from spot logistics markets with a shorter contract term …

Persistent link: https://www.econbiz.de/10005412960

Shattering the Myth of Costless Price Changes: Emerging Perspectives on Dynamic Pricing

Bergen, Mark; Ritson, Mark; Dutta, Shantanu; Levy, Daniel; … - EconWPA - 2005

In this paper we argue that pricing is all about price changes, and that the costs of price changes are often simultaneously subtle and substantial. We discuss a framework to deal with the dynamics of changing prices. This framework incorporates customer interpretations of price changes, an...

Persistent link: https://www.econbiz.de/10005556152

Comparison between minimum purchase, quantity flexibility contracts and spot procurement in a supply chain

Brusset, Xavier - EconWPA - 2005

When, in a supply chain, a supplier and a buyer have the choice of transaction form to do business, the equilibrium transaction form which emerges is much more constrained than previously envisaged in literature. In this paper, two forms of long-term supply contracts and procurement in the spot...

Persistent link: https://www.econbiz.de/10005556373

Transport contract optimization under information asymmetry: an example

Brusset, Xavier; Temme, Nico - EconWPA - 2005

The present paper shows why information asymmetry and bivariate stochastic demand and spot price induce different behaviours and economic inefficiency in a carrier – shipper relationship. An example is offered of a single period, single echelon, shipper-carrier transport model where demand...

Persistent link: https://www.econbiz.de/10005407959

How information influences the cost of transport in a supply chain, a monte carlo simulation

Brusset, Xavier - EconWPA - 2005

The present paper studies the impact of information sharing and contractual instruments on a shipper and her transport suppliers through a monte carlo simulation. After reviewing the literature, we propose a model to measure the benefits in terms of expected transport cost and variance of this...

Persistent link: https://www.econbiz.de/10005119207

The impact of coordination and information on transport procurement

Brusset, Xavier - EconWPA - 2005

Transport cost is second in importance after production cost in industry. It is the purpose of the present paper to study the impact of information sharing and contractual instruments between a supply chain and its transport suppliers. After reviewing the literature, we propose a model to...

Persistent link: https://www.econbiz.de/10005561824

R&D and Subsidies at the Firm Level: An Application of Parametric and Semi-Parametric Two-Step Selection Models

Hussinger, Katrin - EconWPA - 2004

This paper analyzes the effects of public subsidies on R&D expenditure in the German manufacturing sector. The focus is on the question whether public R&D funding stimulates or crowds out private investment. Cross sectional data at the firm level is used. By applying parametric and...

Persistent link: https://www.econbiz.de/10005076604