From Unidimensional to Multidimensional Measurement of Poverty in Trinidad and Tobago: The Latent Class Analysis of Poverty Measurement as an Alternative to the Financial Deprivation Model

Candace A. Moonansingh, Wendell C. Wallace and Isaac Dialsingh

Poverty & Public Policy, 2019, vol. 11, issue 1-2, 57-72

Abstract: Nonmonetary indicators of poverty are increasingly being used by themselves or in conjunction with monetary indicators to measure poverty levels as previous constructs based solely on monetary indicators are being deconstructed. This is predicated on the notion that low income by itself is insufficient to measure poverty. Despite this general move away from using financial indices as a sole measure of poverty, Trinidad and Tobago continues to use this approach to distinguish the poor from the non‐poor. The current effort examines the unidimensional measurement of poverty in Trinidad and Tobago and proposes an alternative measure, the latent class analysis (LCA) model, to measure poverty on the island. The authors propose the usage of a latent class model (a multidimensional construct) to analyze the nonmonetary indicators associated with two dimensions of poverty—the housing domain and the consumption domain. 由于过去仅以货币指标为基础的概念正逐步瓦解，非货币性贫困指标或与货币性指标结合正日益成为衡量贫困程度的工具。支撑其的概念在于低收入本身不足以衡量贫困。尽管普遍趋势已不再将金融指标作为衡量贫困的唯一标准，但特立尼达和多巴哥仍继续采用此法来区分贫困人群和非贫困人群。目前的工作审查了特立尼达和多巴哥的单维贫困衡量方法，并提出了一种替代措施，即潜在类别分析(LCA)模型，以衡量该群岛的贫困状况。笔者建议运用潜在类别分析（LCA)模型(一种多维结构)来分析与贫困的两个维度相关的非货币指标——住房领域和消费领域。 Los indicadores no monetarios de la pobreza se utilizan cada vez más por sí mismos o en conjunto con los indicadores monetarios para medir los niveles de pobreza, ya que las construcciones anteriores basadas únicamente en indicadores monetarios se están deconstruyendo. Esto se basa en la idea de que los bajos ingresos por sí mismos son insuficientes para medir la pobreza. A pesar de este alejamiento general del uso de los índices financieros como única medida de la pobreza, Trinidad y Tobago continúa utilizando este enfoque para distinguir a los pobres de los no pobres. El esfuerzo actual examina la medición unidimensional de la pobreza en Trinidad y Tobago y propone una medida alternativa, el modelo de Análisis de clase latente (LCA), para medir la pobreza en la isla. Los autores proponen el uso de un modelo de clase latente, el LCA, (una construcción multidimensional) para analizar los indicadores no monetarios asociados con dos dimensiones de la pobreza: el dominio de la vivienda y el dominio del consumo.

Date: 2019
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