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  • Articles  (4)
  • C63
  • M14
  • ddc:300
  • Springer  (4)
  • A Coruña: Colegio de Economistas de A Coruña
  • Granada : Univ. de Granada
  • Economics  (4)
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  • Articles  (4)
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  • Springer  (4)
  • A Coruña: Colegio de Economistas de A Coruña
  • Granada : Univ. de Granada
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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of evolutionary economics 6 (1996), S. 239-260 
    ISSN: 1432-1386
    Keywords: Synergetics ; Self-organisation ; Time-irreversibility ; Evolution ; Structural change ; O30 ; O31 ; C60 ; C63
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract This paper deals with synergetic methods, which have developed as a sub-field of the self-organisation approach in the natural sciences. Such methods have been used successfully to model structural transitions in physio-chemical contexts. The synergetic approach is explained in a non-technical way and the main elements of the synergetic methodology are introduced. The extent to which such methods can be applied in the presence of historical time series data, which are subject to underlying processes of evolutionary economic change, is assessed. Proposals, concerning more appropriate synergetic methods for evolutionary economic application, are considered.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of evolutionary economics 6 (1996), S. 361-373 
    ISSN: 1432-1386
    Keywords: Overlapping Generations Model ; Cycles ; Sunspots ; Genetic Algorithms ; C63 ; D83
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract We analyze the learning behaviour of a Simple Genetic Algorithm in an overlapping generations model with one consumption good and fiat money. It is shown by simulations, that in cases where periodic equilibria exist the equilibrium of period two is learned by a Genetic Algorithm and not the monetary steady state. We further show that proper coding leads to convergence of the GA towards the sunspot equilibrium. If individuals who believe in the impact of sunspots are brought together with individuals who ignore the sunspots, the sunspot believes will in most cases drive the other individuals out of the population.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Computational economics 9 (1996), S. 317-330 
    ISSN: 1572-9974
    Keywords: Expectations ; Saddlepoint paths ; Terminal conditions ; Perturbations ; Relaxation algorithms ; D84 ; C63
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Economics
    Notes: Abstract In this paper, we present a theoretically founded procedure in order to check for saddlepoint stability of rational expectations models. The proposed device uses some specific perturbed finite time approximations of the models and allows for an explicit theoretical foundation. Numerical evidence are presented to study the feasibility of the procedure regarding to the scales and the spectra of the models. In particular, it is shown how to apply it on nonlinear models in connection with relaxation resolution algorithms. Actually, this paper gives a theoretical basis to the heuristic sensitivity tests traditionally conducted for saddlepoint stability assessment.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Empirical economics 20 (1995), S. 551-575 
    ISSN: 1435-8921
    Keywords: C13 ; C14 ; C42 ; C63 ; C81 ; D31 ; D63 ; J11
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract This paper examines how the distribution of household wealth in Canada varies with age over the life cycle. The wealth distribution is characterized in terms of decile means and decile shares for each of six age groups, and comparisons between age-specific distributions are based on first-and second-order stochastic dominance criteria. It is found that (i) mean wealth levels and wealth distributions increase significantly with age in concave quadratic fashion until near-retirement and then decline, and (ii) wealth inequality declines in convex fashion with age, at first steeply and then not significantly. This joint pattern in mean and inequality of wealth holdings across age groups presents a challenge for basic theories to explain.
    Type of Medium: Electronic Resource
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