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Rationnement dans les systèmes de demande : calcul des prix virtuels

Listed author(s):
  • Léon Bettendorf
  • Anton Barten
Registered author(s):

    [fre] Rationnement dans les systèmes de demande : calcul des prix virtuels, par Léon Bettendorf, Anton Barten. Les prix virtuels constituent un outil crucial pour montrer l'équivalence entre la théorie de la demande avec et sans rationnement (Neary et Roberts 1980). Les prix virtuels sont définis comme un ensemble de prix incitant un consommateur non rationné à consommer volontairement le niveau rationné. Dans ce papier une méthodologie est proposée pour évaluer les prix virtuels à partir des estimations des systèmes complets de demande. Pour illustration, un modèle de Rotterdam et un modèle CBS, tous deux avec rationnement, sont estimés sur données belges pour la période d'entre-deux-guerres. Ensuite, les prix virtuels sont calculés pour les dépenses de logement, le logement ayant été rationné durant cette période. [ger] Rationierung in den Nachfragesystemen: Berechnung der virtuellen Preise von Léon Bettendorf und Pierre Barten. Die virtuellen Preise stellen ein überaus wichtiges Instrument dar, um die Äquivalenz zwischen der Nachfragetheorie mit Rationierung und der Nachfragetheorie ohne Rationierung aufzuzeigen (Ncary und Roberts 1 980). Virtuelle Preise werden als eine Gesamtheit von Preisen definiert, die einen Konsumenten, der keiner Rationierung unterliegt, dazu bewegen, freiwillig die rationierte Menge zu verbrauchen. In diesem Artikel wird eine Methodik vorgeschlagen, um die virtuellen Preise auf der Grundlage der Schätzungen der vollständigen Nachfragesysteme zu bewerten. Zur Veranschaulichung werden ein Rotterdam- und ein CBS-Modell, beide mit Rationierung, anhand belgischer Daten für den Zeitraum zwischen den beiden Weltkriegen geschätzt. Danach werden die virtuellen Preise für die Wohnkosten berechnet, wobei die Wohnungen während dieses Zeitraums rationiert waren. [eng] Rationing in Demand Systems: Calculation of Virtual Prices, by Léon Bettendorf and Anton Barten. Virtual prices are essential for showing equivalence between demand theories with and without rationing (Neary and Roberts, 1980). Virtual prices are defined as a set of prices encouraging a non-rationed consumer to voluntarily consume the rationed level. This article proposes a methodology for evaluating virtual prices from estimates of complete demand systems. By way of illustration, a Rotterdam model and a CBS model, both with rationing, are estimated from Belgian data for the period between the two world wars. The virtual prices are subsequently calculated for spending on housing, which was rationed during this period. [spa] Racionamiento en los sistemas de demanda : câlculo de los precios virtuales Por Léon Bettendorf y Pierre Barten Los precios virtuales constituyen una herramienta crucial para mostrar la equivalencia entre la teoria de la demanda con y sin racionamiento (Neary y Roberts 1980). Los precios virtuales se definen como un conjunto de precios que incitan a un consumidor no racionado a consumir voluntariamente el nivel racionado. En este documente se propone una metodologia para evaluar los precios virtuales a partir de las estimaciones de los sistemas completes de demanda. A modo de ilustraciôn, se estiman sobre dates belgas un modelo de Rotterdam y un modelo CBS, ambos con racionamiento, para el periodo entre las dos guerras mundiales. Luego, se calculan los precios virtuales para los gastos de vivienda, dado que la vivienda ha sido racionada durante dicho perîodo.

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    Article provided by Programme National Persée in its journal Économie & prévision.

    Volume (Year): 121 (1995)
    Issue (Month): 5 ()
    Pages: 101-108

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    Handle: RePEc:prs:ecoprv:ecop_0249-4744_1995_num_121_5_5764
    Note: DOI:10.3406/ecop.1995.5764
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    1. Mackay, Robert J & Whitney, Gerald A, 1980. "The Comparative Statics of Quantity Constraints and Conditional Demands: Theory and Applications," Econometrica, Econometric Society, vol. 48(7), pages 1727-1744, November.
    2. Ashenfelter, Orley, 1980. "Unemployment as Disequilibrium in a Model of Aggregate Labor Supply," Econometrica, Econometric Society, vol. 48(3), pages 547-564, April.
    3. SCHROYEN, Fred, 1991. "Demand system under rationing: An introduction with special reference to the implications of separability assumptions," SESO Working Papers 1991002, University of Antwerp, Faculty of Applied Economics.
    4. Barten, A. P., 1969. "Maximum likelihood estimation of a complete system of demand equations," European Economic Review, Elsevier, vol. 1(1), pages 7-73.
    5. Neary, J. P. & Roberts, K. W. S., 1980. "The theory of household behaviour under rationing," European Economic Review, Elsevier, vol. 13(1), pages 25-42, January.
    6. repec:ant:wpaper:1991002 is not listed on IDEAS
    7. Keller, W.J. & Van Driel, J., 1985. "Differential consumer demand systems," European Economic Review, Elsevier, vol. 27(3), pages 375-390.
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