购买力平价估计对估计程序的敏感性及其对生活水平比较的影响

Q3 Economics, Econometrics and Finance Journal of Globalization and Development Pub Date : 2017-10-25 DOI:10.1515/jgd-2017-0006
A. Majumder, R. Ray, Sattwik Santra
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引用次数: 6

摘要

本研究的目的是比较使用不同方法计算的购买力平价(ppp),并研究基于生活水平的全球地区排名对所使用的购买力平价的敏感性。实证比较涉及GEKS,加权CPD, GK, EWGK和基于真实生活成本指数(TCLI)的PPP估计程序,并使用印度卢比作为数字货币。本研究采用2011年公布的ICP购买力平价作为非ICP购买力平价的基准。证据证实了“Gershenkeron效应”,影响了加性GK过程。结果表明,同样具有加性的EWGK购买力平价不受GK购买力平价的偏置程度的影响。本文还提供了证据,证明基于TCLI的购买力平价在支出五分位数之间的巨大差异源于支出类别之间偏好的差异。这表明,目前的ICP做法是为整个国家提供一种购买力平价,这一做法有所不同,并指出需要按不同的支出类别估计购买力平价。经验证据表明,在未来的PPP计算中,很少使用的TCLI具有丰富的潜力。
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Sensitivity of Purchasing Power Parity Estimates to Estimation Procedures and their Effect on Living Standards Comparisons
Abstract The motivation of this exercise is to compare the Purchasing Power Parities (PPPs) calculated using different procedures and study the sensitivity of global rankings of regions based on living standards to the PPPs used. The empirical comparison involves the GEKS, weighted CPD, GK, EWGK and the True Cost of Living Index (TCLI) based PPP estimation procedures with the Indian Rupee used as the numeraire currency. The published ICP PPPs for 2011 are used as benchmark for the non ICP PPPs obtained in this study. Evidence confirming the “Gershenkeron effect,” that affects the additive GK procedure, is provided. The results suggest that the EWGK PPPs, which are also additive, do not suffer from the extent of bias of the GK PPPs. The paper also provides evidence on the large variation in the TCLI based PPPs across expenditure quintiles originating from variation in preferences between expenditure classes. This suggests departure from the current ICP practice of providing one PPP for the entire country and points to the need to estimate PPPs by different expenditure classes. The empirical evidence points to the rich potential for the rarely used TCLI in future PPP calculations.
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来源期刊
Journal of Globalization and Development
Journal of Globalization and Development Economics, Econometrics and Finance-Economics, Econometrics and Finance (all)
CiteScore
1.20
自引率
0.00%
发文量
13
期刊介绍: The Journal of Globalization and Development (JGD) publishes academic research and policy analysis on globalization, development, and in particular the complex interactions between them. The journal is dedicated to stimulating a creative dialogue between theoretical advances and rigorous empirical studies to push forward the frontiers of development analysis. It also seeks to combine innovative academic insights with the in-depth knowledge of practitioners to address important policy issues. JGD encourages diverse perspectives on all aspects of development and globalization, and attempts to integrate the best development research from across different fields with contributions from scholars in developing and developed countries. Topics: -Economic development- Financial investments- Development Aid- Development policies- Growth models- Sovereign debt
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