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The definition of poverty in terms of adequacy of income orexpenditures is not conducive to analysis of time-trends inpoverty, because it is too expensive to survey income or expendituresfrequently. On the other hand, the poverty-self-rating approachis an economical means of generating a time-series. The bottom-upperspective on poverty is socially meaningful in itself, irrespectiveof its correlation with poverty measured from the top down.Unlike official poverty lines, poverty thresholds obtained bythe self-rating approach are not institutionlly manipulable.Cross-sectionally, the Philippine data on self-rated povertyand self-rated poverty lines have familiar economic-demographiccharacteristics. Use of the self-rating approach in the Philippinessince 1981, enabling poverty to be surveyed very many times,shows that poverty has been quite volatile. In contrast, theofficial series on poverty has only three data points (1985,1988, and 1991) within that period. Regression analysis attributesthe volatility in self-rated poverty during 1981–92 mainlyto changes in the inflation rate, and secondly to changes inthe unemployment rate. Changes in per capita income, however,were not significant in explaining changes in the level of poverty. 相似文献
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