Eatzaz Ahmad (Quaid-i-Azam University, Islamabad.) Muhammad Arshad (International School of Industrial Business Management, Shanghai University, China)
Abstract
Using micro-level household data for rural and urban Pakistan, this study estimates Engel equations for 22 commodity groups with quadratic spline specification, in which the number and locations of knots are determined through a search procedure. The study finds that the resulting flexibility produces many interesting patterns of changes in the classification of goods into necessities and luxuries across income ranges. This suggests that a uniform tax structure will have varying implications for budget allocation and welfare of households belonging to different income classes. This information can be gainfully utilised in preparing income transfer policies that could supplement uniform tax regimes.
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Publisher Info
Paper provided by Pakistan Institute of Development Economics in its series PIDE-Working Papers with number
2007:41.
Length: 29 pages Date of creation: 2007 Date of revision: Handle: RePEc:pid:wpaper:2007:41
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