Download or read book Constraint Propagation in Flexible Manufacturing written by Toan Phan Huy and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 271 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a thorough analysis of scheduling problems that arise in a flexible manufacturing environment with scarce resource supply. Generalizations of the famous job shop scheduling problem are discussed. As a basic and common technique for solving these problems constraint propagation is applied in various solution methods. The effectiveness of constraint propagation is demonstrated by the solution of a high number of benchmark problem instances.

Download or read book Learning in Automated Manufacturing written by Erwin Pesch and published by Physica. This book was released on 1994-08-30 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: The central purpose of this book is to acquaint the reader especially with the cases of local search based learning as well as to introduce methods of constraint based reasoning, both with respect to their use in automated manufacturing. We restrict our attention to job shop scheduling as well as to one-machine scheduling with sequence dependent setup times. Additionally some design and planning issues in flexible manufacturing systems are considered. General purpose search methods which in particular include methods from local search such as simulated annealing, tabu search, and genetic algorithms, are the basic ingredients of the proposed intelligent knowledge-based scheduling systems, enriched by a number of constraint-based local decision rules in order to introduce problem specific knowledge.

Download or read book Pricing in In Complete Markets written by Angelika Esser and published by Springer Science & Business Media. This book was released on 2012-08-27 with total page 127 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book, the authors investigate structural aspects of no arbitrage pricing of contingent claims and applications of the general pricing theory in the context of incomplete markets. A quasi-closed form pricing equation in terms of artificial probabilities is derived for arbitrary payoff structures. Moreover, a comparison between continuous and discrete models is presented, highlighting the major similarities and key differences. As applications, two sources of market incompleteness are considered, namely stochastic volatility and stochastic liquidity. Firstly, the general theory discussed before is applied to the pricing of power options in a stochastic volatility model. Secondly, the issue of liquidity risk is considered by focusing on the aspect of how asset price dynamics are affected by the trading strategy of a large investor.

Download or read book Dynamic Inventory Management in Reverse Logistics written by Rainer Kleber and published by Springer Science & Business Media. This book was released on 2007-02-02 with total page 191 pages. Available in PDF, EPUB and Kindle. Book excerpt: The integration of product recovery into regular production processes enables new opportunities for cost savings. In case of a dynamic planning situation, for instance when dealing with seasonality or the product life cycle, new motives for keeping stock arise. The work aims to identify those motives and to describe their effects by using methods of optimal control theory.

Download or read book Model Reduction Methods for Vector Autoregressive Processes written by Ralf Brüggemann and published by Springer Science & Business Media. This book was released on 2012-09-25 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: 1. 1 Objective of the Study Vector autoregressive (VAR) models have become one of the dominant research tools in the analysis of macroeconomic time series during the last two decades. The great success of this modeling class started with Sims' (1980) critique of the traditional simultaneous equation models (SEM). Sims criticized the use of 'too many incredible restrictions' based on 'supposed a priori knowledge' in large scale macroeconometric models which were popular at that time. Therefore, he advo cated largely unrestricted reduced form multivariate time series models, unrestricted VAR models in particular. Ever since his influential paper these models have been employed extensively to characterize the underlying dynamics in systems of time series. In particular, tools to summarize the dynamic interaction between the system variables, such as impulse response analysis or forecast error variance decompo sitions, have been developed over the years. The econometrics of VAR models and related quantities is now well established and has found its way into various textbooks including inter alia Llitkepohl (1991), Hamilton (1994), Enders (1995), Hendry (1995) and Greene (2002). The unrestricted VAR model provides a general and very flexible framework that proved to be useful to summarize the data characteristics of economic time series. Unfortunately, the flexibility of these models causes severe problems: In an unrestricted VAR model, each variable is expressed as a linear function of lagged values of itself and all other variables in the system.

Download or read book The Complex Dynamics of Economic Interaction written by Mauro Gallegati and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: The economy is examined by the authors as a complex interactive system. The emphasis is on the direct interaction between agents rather than on the indirect and autonomous interaction through the market mechanism. Contributions from economists and physicists emphasise the consequences for aggregate behaviour of the interaction between agents with limited rationality. Models of financial markets which exhibit many of the stylised facts of empirical markets such as bubbles, herd behaviour and long memory are presented. This includes contributions on bargaining, buyer-seller relations, the evolution of economic networks and several aspects of macro-economic behaviour. This book will be of interest to all those interested in the foundations of collective social and economic behaviour and in particular, to those concerned with the dynamics of market behaviour and recent applications of physics to economics.

Download or read book International Trade and Multinational Activity written by Julian Emami Namini and published by Springer Science & Business Media. This book was released on 2006-10-28 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study investigates the dynamic welfare effects of exposure to trade in a new trade model, which is extended by firm heterogeneity. It is analyzed under which conditions exposure to trade with firm heterogeneity increases or decreases steady state welfare of a country. It uses a new trade model to explore which country-specific conditions give rise to horizontal or vertical multinational activity. Finally, it combines the Heckscher-Ohlin model and a new trade model with horizontal multinational firms.

Download or read book Advances in Artificial Economics written by Charlotte Bruun and published by Springer Science & Business Media. This book was released on 2007-05-19 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is based on presentations at AE’2006 (Aalborg, Denmark) – the second symposium on Artificial Economics. As a new constructive simulation method, Agent-Based Computational Economics (ACE) has in recent years proven its strength and applicability. Coverage in this volume extends to well known questions of economics, like the existence of market efficiency, and to questions raised by new analytical tools, for example networks of social interaction.

Download or read book Collaborative Planning in Supply Chains written by Gregor Dudek and published by Springer Science & Business Media. This book was released on 2004 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book deals with collaborative planning, an approach to supply chain planning which aims to coordinate planning tasks of independent supply chain partners while respecting their local decision authority. The major contribution of this work is to provide a process model concerned with the decision making and negotiation aspects of collaborative planning. Taking technological means for data exchange as a given, it sketches a detailed picture of a collaborative planning process at the medium-term level of master planning, assuming that mathematical programming models are used by all partners. Building on the planning process, it indicates how financial outcomes and partner incentives are affected by the negotiations of supply quantities between buyers and suppliers, and demonstrates how supply contract terms can be adapted in order to establish a win-win situation for all partners.

Download or read book Learning in Economic Systems with Expectations Feedback written by Jan Wenzelburger and published by Springer Science & Business Media. This book was released on 2006-09-22 with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recently economists have more and more focussed on scenarios in which agents' views of the world may be erroneous. These notes introduce the concept of perfect forecasting rules which provide best least-squares predictions along the evolution of an economic system. The framework for nonparametric adaptive learning schemes is developed and it is argued that plausible learning schemes should aim at estimating a perfect forecasting rule taking into account the correct feedback structure of an economy. A link is provided between the traditional rational-expectations view and recent behavioristic approaches.

Download or read book Economic Dynamics and Information written by Jaroslav Zajac and published by Springer Science & Business Media. This book was released on 2007-08-01 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book analyzes the existence of equilibria in economies having a measured space of agents and a continuum of agents and commodities. Excessive homogeneity with respect to agent productivity leads to instability and non-uniqueness of a given stationary state and the indeterminacy of the corresponding stationary state equilibrium. Sufficient heterogeneity leads to global saddle-path stability, uniqueness of a given stationary state and the global uniqueness of the corresponding equilibrium.

Download or read book Artificial Economics written by Philippe Mathieu and published by Springer Science & Business Media. This book was released on 2005-12-17 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: Agent-based Computational Economics (ACE) is a new discipline of economics, largely grounded on concepts like evolution, auto-organisation and emergence: it intensively uses computer simulations as well as artificial intelligence, mostly based on multi-agents systems. The purpose of this book is to give an up-to date view of the scientific production in the fields of Agent-based Computational Economics (mainly in Market Finance and Game Theory). Based on communications given at AE'2005 (Lille, USTL, France), this book offers a wide panorama of recent advances in ACE (both theoretical and methodological) that will interest academics as well as practitioners.

Download or read book Planning Stability in Material Requirements Planning Systems written by Gerald Heisig and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 273 pages. Available in PDF, EPUB and Kindle. Book excerpt: In logistics systems, the issue of planning stability has attracted increased attention and interest in recent years. This is mainly due to an increasing integration of planning systems both within and across companies in supply chain management. The propagation of adjustments in planning systems first acquired wide attention when MRP systems were employed as standard planning tools for material coordination. Within a rolling horizon framework the MRP application produced considerable planning instability which origins from uncertainties in the planner's exogenous environment as well as from endogenous sources. This book presents an analytical investigation that gives deep insight into the influence of different kind of inventory control rules on the stability of material planning systems under stochastic demand in a rolling horizon environment.

Download or read book The Econometrics of Sequential Trade Models written by Stefan Kokot and published by Springer Science & Business Media. This book was released on 2012-08-27 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present study has been accepted as a doctoral thesis by the Depart ment of Economics of the Johann Wolfgang Goethe-University in Frankfurt am Main. It grew out from my five year long participation in two research projects, "Econometric analysis of transaction intensity and volatility on fi nancial markets", and "Microstructure on financial markets", that were both conducted by the chair of Statistics and Econometrics (Empirical Economic Research) at the Department of Economics and Business Administration, Jo hann Wolfgang Goethe-University in Frankfurt am Main and financed by the state of Hessen. During this time I have benefitted from many people. First and foremost I would like to thank my thesis supervisor, Prof. Dr. Reinhard Hujer, for initiating and supporting my studies with great encouragement. I am also very grateful to Prof. Dr. Christian Schlag for acting as the second thesis supervisor. Furthermore, I wish to thank Prof. Dr. Joachim Grammig who introduced me to the topics covered in this study in the first place and helped me to sharpen my views on econometrics and financial market microstructure theory through many discussions and also through his willingness to work with me on several related studies.

Download or read book Principles of Network Economics written by Hagen Bobzin and published by Springer Science & Business Media. This book was released on 2005-12-21 with total page 409 pages. Available in PDF, EPUB and Kindle. Book excerpt: Network problems are manifold and extremely complex. Many problems result from engineering details or mathematical difficulties, others are caused by disregarding economic principles and imperfections of markets. The text provides a fairly integrated approach of transportation related "network problems" and their "solutions" with emphasis on economics or, more precisely, microeconomic theory.

Download or read book Posted Price Offers in Internet Auction Markets written by Stefan Seifert and published by Springer Science & Business Media. This book was released on 2006-09-25 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: Applying a Market Engineering approach, this book introduces a model of an auction with a posted price offer, and investigates the characteristics of such mechanisms. It discusses the respective equilibrium strategies of sellers and the bidders, providing useful insight into actual behavior. The theoretic results are compared with strategies of students in a controlled experiment. The experimental observations expose shortcomings of standard economic theories and help to further improve electronic markets.

Download or read book Topics in Dynamic Model Analysis written by Mario Faliva and published by Springer Science & Business Media. This book was released on 2006-01-20 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: Classical econometrics - which plunges its roots in economic theory with simultaneous equations models (SEM) as offshoots - and time series econometrics - which stems from economic data with vector autoregr- sive (VAR) models as offsprings - scour, like the Janus's facing heads, the flowing of economic variables so as to bring to the fore their autonomous and non-autonomous dynamics. It is up to the so-called final form of a dy namic SEM, on the one hand, and to the so-called representation theorems of (unit-root) VAR models, on the other, to provide informative closed form expressions for the trajectories, or time paths, of the economic vari ables of interest. Should we look at the issues just put forward from a mathematical standpoint, the emblematic models of both classical and time series econometrics would turn out to be difference equation systems with ad hoc characteristics, whose solutions are attained via a final form or a represen tation theorem approach. The final form solution - algebraic technicalities apart - arises in the wake of classical difference equation theory, display ing besides a transitory autonomous component, an exogenous one along with a stochastic nuisance term. This follows from a properly defined ma trix function inversion admitting a Taylor expansion in the lag operator be cause of the assumptions regarding the roots of a determinant equation pe culiar to SEM specifications.