nep-hpe New Economics Papers
on History and Philosophy of Economics
Issue of 2005‒02‒20
two papers chosen by
Andy Denis
City University

  1. Paradoxes of Modernist Consumption – Reading Fashions By Dolfsma, W.

  1. By: Dolfsma, W. (Erasmus Research Institute of Management (ERIM), RSM Erasmus University)
    Abstract: Fashion is the quintessential post-modernist consumer practice, or so many hold. In this contribution, I argue that, on the contrary, fashion should be understood as a means of communicating one's commitment to modernist values. I introduce the framework of the Social Value Network, to relate such values to institutionalised consumption behaviour, allowing one to signal to others. Modernist values are not homogenous, and are in important ways contradictory, giving rise to the dynamics of fashion that can be observed.
    Keywords: consumption;modernism;fashion;identity;symbolic goods;
    Date: 2004–06–23
  2. By: Jans, R.; Degraeve, Z. (Erasmus Research Institute of Management (ERIM), RSM Erasmus University)
    Abstract: Proofs from complexity theory as well as computational experiments indicate that most lot sizing problems are hard to solve. Because these problems are so difficult, various solution techniques have been proposed to solve them. In the past decade, meta-heuristics such as tabu search, genetic algorithms and simulated annealing, have become popular and efficient tools for solving hard combinational optimization problems. We review the various meta-heuristics that have been specifically developed to solve lot sizing problems, discussing their main components such as representation, evaluation neighborhood definition and genetic operators. Further, we briefly review other solution approaches, such as dynamic programming, cutting planes, Dantzig-Wolfe decomposition, Lagrange relaxation and dedicated heuristics. This allows us to compare these techniques. Understanding their respective advantages and disadvantages gives insight into how we can integrate elements from several solution approaches into more powerful hybrid algorithms. Finally, we discuss general guidelines for computational experiments and illustrate these with several examples.
    Keywords: dynamic lotsizing;algorithms;meta-heuristics;Dantzig-Wolfe decomposition;reformulations;
    Date: 2004–06–24

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