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10年后,资产所有权的变化如何影响国民经济指标?

After 10 years, how do changes in asset ownership affect the Indicador Econômico Nacional?

作者信息

Ewerling Fernanda, Barros Aluísio J D

机构信息

International Center for Equity in Health. Programa de Pós-Graduação em Epidemiologia. Universidade Federal de Pelotas. Pelotas, RS, Brasil.

出版信息

Rev Saude Publica. 2017 Mar 2;51(0):10. doi: 10.1590/S1518-8787.2017051006517.

DOI:10.1590/S1518-8787.2017051006517
PMID:28273231
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5336318/
Abstract

OBJECTIVE

Our main objective was to analyse how the evolution of household assets ownership affected the Indicador Econômico Nacional (IEN - National Wealth index) and to point out the most stable assets and which lost importance more quickly.

METHODS

We analysed the trend of the ownership of each IEN variable and the distribution of the households' scores. We calculated the correlation coefficients of each variable separately with the IEN score and the household income. We also evaluated how the changes of the score distribution over time affected the validity of the published reference cut-points. We used data from consortium surveys conducted every two years from 2002 to 2014 in the city of Pelotas, Brazil.

RESULTS

An increase in the educational level of household heads and in the ownership of all IEN assets, except radio and telephone, was observed in the study period. In general, the correlation of the assets with the IEN scores decreased over time. There was an increase in the score, with a consequent increase in the quintiles cut-points, but the distance between these cut-points had no significant variation. Thus, the reference cut-points for Pelotas, quickly became outdated.

CONCLUSIONS

Some assets showed greatly reduction on its importance for the indicator, and the reference cut-points became obsolete very quickly. It is essential for a standardized wealth (or asset) index with research purposes to be updated frequently, especially the cut-points of reference distribution.

OBJETIVO

Analisar como a evolução temporal da posse de bens domésticos afetou o Indicador Econômico Nacional e como essas mudanças afetaram o poder discriminatório do indicador.

MÉTODOS: Analisou-se a evolução temporal da posse de cada uma das variáveis do Indicador Econômico Nacional, bem como da distribuição do escore dos domicílios. Utilizamos dados de inquéritos populacionais realizados bienalmente no município de Pelotas, RS, de 2002 a 2014. Foi calculado o coeficiente de correlação de cada variável isoladamente com o escore do Indicador Econômico Nacional e com a renda familiar. Avaliamos também como a variação da distribuição do escore ao longo do tempo afetou a validade da utilização dos pontos de corte de referência publicados.

RESULTADOS

Houve aumento da escolaridade dos chefes das famílias e da posse de todos os bens, exceto rádio e linha telefônica no período. A correlação dos bens com o Indicador Econômico Nacional reduziu com o tempo. O escore aumentou, com consequente incremento nos pontos de corte dos quintis, mas a distância entre os pontos não teve variação importante. Assim, os pontos de corte de referência publicados para Pelotas rapidamente ficaram desatualizados.

CONCLUSÕES: Alguns bens perderam a capacidade discriminatória e os pontos de corte ficaram obsoletos rapidamente. É essencial um indicador de bens padronizado para uso em pesquisa, que seja atualizado com frequência, em especial os pontos de corte da distribuição de referência.

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8d36/5336318/1c1b49d3efbb/0034-8910-rsp-S1518-87872017051006517-gf03.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8d36/5336318/c7367d0b5d00/0034-8910-rsp-S1518-87872017051006517-gf01.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8d36/5336318/4df1b4453e27/0034-8910-rsp-S1518-87872017051006517-gf02.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8d36/5336318/1c1b49d3efbb/0034-8910-rsp-S1518-87872017051006517-gf03.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8d36/5336318/c7367d0b5d00/0034-8910-rsp-S1518-87872017051006517-gf01.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8d36/5336318/4df1b4453e27/0034-8910-rsp-S1518-87872017051006517-gf02.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8d36/5336318/1c1b49d3efbb/0034-8910-rsp-S1518-87872017051006517-gf03.jpg
摘要

目的:我们的主要目的是分析家庭资产所有权的演变如何影响国民经济指标(IEN - 国民财富指数),并指出最稳定的资产以及哪些资产重要性下降更快。

方法:我们分析了每个IEN变量的所有权趋势以及家庭得分的分布情况。我们分别计算了每个变量与IEN得分和家庭收入的相关系数。我们还评估了得分分布随时间的变化如何影响已公布的参考切点的有效性。我们使用了2002年至2014年在巴西佩洛塔斯市每两年进行一次的综合调查数据。

结果:在研究期间,观察到户主的教育水平以及除收音机和电话外所有IEN资产的所有权均有所增加。总体而言,资产与IEN得分的相关性随时间下降。得分有所增加,相应地五分位数切点也有所提高,但这些切点之间的距离没有显著变化。因此,佩洛塔斯的参考切点很快就过时了。

结论:一些资产对该指标的重要性大幅下降,参考切点很快就过时了。对于用于研究目的的标准化财富(或资产)指数而言,经常更新至关重要,尤其是参考分布的切点。

目的:分析家庭资产拥有情况随时间的演变如何影响国民经济指标,以及这些变化如何影响该指标的区分能力。

方法:分析国民经济指标各变量拥有情况的时间演变以及家庭得分的分布。我们使用了2002年至2014年在南里奥格兰德州佩洛塔斯市每两年进行一次的人口调查数据。分别计算每个变量与国民经济指标得分以及家庭收入的相关系数。我们还评估了得分分布随时间的变化如何影响所使用的已公布参考切点的有效性。

结果:在此期间,家庭户主的受教育程度以及除收音机和电话线外所有资产的拥有量均有所增加。资产与国民经济指标的相关性随时间降低。得分增加,相应地五分位数切点也增加,但切点之间的距离没有显著变化。因此,为佩洛塔斯公布的参考切点很快就过时了。

结论:一些资产失去了区分能力,切点很快就过时了。对于用于研究的标准化资产指标而言,经常更新至关重要,尤其是参考分布的切点。

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