EC intercountry input-output relations : an income growth decomposition for 1970-1980
AbstractThis paper introduces a general, formal treatment of dynamic constraints, i.e., constraints on the state changes that are allowed in a given state space. Such dynamic constraints can be seen as representations of "real world" constraints in a managerial context. The notions of transition, reversible and irreversible transition, and transition relation will be introduced. The link with Kripke models (for modal logics) is also made explicit. Several (subtle) examples of dynamic constraints will be given. Some important classes of dynamic constraints in a database context will be identified, e.g. various forms of cumulativity, non-decreasing values, constraints on initial and final values, life cycles, changing life cycles, and transition and constant dependencies. Several properties of these dependencies will be treated. For instance, it turns out that functional dependencies can be considered as "degenerated" transition dependencies. Also, the distinction between primary keys and alternate keys is reexamined, from a dynamic point of view.
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Bibliographic InfoPaper provided by University of Groningen, Research Institute SOM (Systems, Organisations and Management) in its series Research Report with number 96C23.
Date of creation: 1996
Date of revision:
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- Skolka, Jiri, 1989. "Input-output structural decomposition analysis for Austria," Journal of Policy Modeling, Elsevier, Elsevier, vol. 11(1), pages 45-66.
- Schilderinck, J.H.F., 1984. "Interregional structure of the European Community (Part II: Interregional input-output tables of the European Community 1959, 1965, 1970 and 1975)," Research Memorandum, Tilburg University, Faculty of Economics and Business Administration 165, Tilburg University, Faculty of Economics and Business Administration.
- Holland, D & Cooke, S C, 1992. "Sources of Structural Change in the Washington Economy: An Input-Output Perspective," The Annals of Regional Science, Springer, Springer, vol. 26(2), pages 155-70, June.
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