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Towards a more general approach to testing the time additivity hypothesis

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Author Info
K. K. Gary Wong
Abstract

A new procedure is proposed for re-examining the assumption of additivity of preferences over time which, although untenable, is usually maintained in intertemporal analyses of consumption and labour supply. The method is an extension of a famous work by Browning. However, it is more general in permitting the estimation of intertemporal demand systems, which are explicit in an unobservable variable (price of utility), but may lack a closed form representation in terms of observable variables such as prices and total outlay. It also makes extensive use of duality theory to solve the endogeneity problem encountered in Browning's study. Applying this method with an appropriate estimator to the Australian aggregate data, it is found that the time additivity hypothesis is decisively rejected, which is consistent with Browning's conclusion.

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Article provided by Taylor and Francis Journals in its journal Applied Economics.

Volume (Year): 35 (2003)
Issue (Month): 16 (November)
Pages: 1729-1738
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Handle: RePEc:taf:applec:v:35:y:2003:i:16:p:1729-1738

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  1. Beach, Charles M & MacKinnon, James G, 1979. "Maximum Likelihood Estimation of Singular Equation Systems with Autoregressive Disturbances," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 20(2), pages 459-64, June. [Downloadable!] (restricted)
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  2. Selvanathan, Saroja, 1991. "The Reliability of ML Estimators of Systems of Demand Equations: Evidence from OECD Countries," The Review of Economics and Statistics, MIT Press, vol. 73(2), pages 346-53, May. [Downloadable!] (restricted)
  3. Maureen T. Rimmer & Alan A. Powell, 1992. "An Implicitly Directly Additive Demand System: Estimates for Australia," Centre of Policy Studies/IMPACT Centre Working Papers op-73, Monash University, Centre of Policy Studies/IMPACT Centre. [Downloadable!]
  4. Pollak, Robert A & Wales, Terrence J, 1969. "Estimation of the Linear Expenditure System," Econometrica, Econometric Society, vol. 37(4), pages 611-28, October. [Downloadable!] (restricted)
  5. Pollak, Robert A, 1970. "Habit Formation and Dynamic Demand Functions," Journal of Political Economy, University of Chicago Press, vol. 78(4), pages 745-63, Part I Ju. [Downloadable!] (restricted)
  6. Martin Browning & Thomas F. Crossley, 2000. "Luxuries Are Easier to Postpone: A Proof," Journal of Political Economy, University of Chicago Press, vol. 108(5), pages 1022-1026, October. [Downloadable!] (restricted)
  7. Pashardes, Panos, 1986. "Myopic and Forward Looking Behavior in a Dynamic Demand System," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 27(2), pages 387-97, June. [Downloadable!] (restricted)
  8. Deaton, Angus S & Muellbauer, John, 1980. "An Almost Ideal Demand System," American Economic Review, American Economic Association, vol. 70(3), pages 312-26, June. [Downloadable!] (restricted)
  9. Cooper, Russel J & McLaren, Keith R, 1993. "Approaches to the Solution of Intertemporal Consumer Demand Models," Australian Economic Papers, Blackwell Publishing, vol. 32(60), pages 20-39, June.
  10. Russel J. Cooper & Keith R. McLaren, 1992. "An Empirically Oriented Demand System with Improved Regularity Properties," Canadian Journal of Economics, Canadian Economics Association, vol. 25(3), pages 652-68, August. [Downloadable!] (restricted)
  11. Cooper, Russel J. & McLaren, Keith R. & Wong, Gary K. K., 2001. "On the empirical exploitation of consumers' profit functions in static analyses," Economics Letters, Elsevier, vol. 72(2), pages 181-187, August. [Downloadable!] (restricted)
  12. Browning, Martin, 1991. "A Simple Nonadditive Preference Structure for Models of Household Behavior over Time," Journal of Political Economy, University of Chicago Press, vol. 99(3), pages 607-37, June. [Downloadable!] (restricted)
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