2010-03-08-美国商务部-Observations_from_the_Interagency_Technical_Working_Group_on_Developing_a_Supplemental_Poverty_Measure_8页_138kb

Observations on Interagency Technical Working Group

Summary Context

This document summarizes the observations from the Interagency Technical Working Group on Developing a Supplemental Poverty Measure, published in March 2010. It outlines the rationale, methodology, and initial recommendations for creating a Supplemental Poverty Measure (SPM) as an experimental statistic to complement the official U.S. poverty measure established in 1964.

Key Objectives and Scope

• The SPM was developed to address debates on alternative poverty measurement approaches.
• It should not replace the official poverty measure but serve as a work in progress, updated annually and refined with new data and methods.
• The initial publication was planned for fall 2011, with funding proposed in the 2011 Budget.

Methodology for SPM Development

• Establishes poverty thresholds based on expenditures on food, shelter, clothing, and utilities (FSCU) using a 33rd percentile approach from a specific reference sample.
• Defines family resources by summing cash income, in-kind benefits, work expenses, and medical out-of-pocket expenditures, minus taxes.
• Adjustments are needed for housing status (e.g., renters versus homeowners), geographic areas, and family composition, incorporating data from multiple sources.
• Ensures conceptual consistency between thresholds and resources, with priority on data availability, methodological simplicity, and smooth transitions over time.

Initial Development Recommendations

• Sets threshold reference sample based on family units with all related individuals, invoking equivalence scales for uniformity.
• Recommends annual updates to resource calculations and threshold recalculation based on five-year expenditure data to enhance stability.
• Involves collaboration between Census Bureau and BLS for ongoing refinement, noting potential policy divergence if new data or insights emerge.
• Emphasizes the SPM as an additional complex economic statistic to better understand poverty and economic trends.

Conclusion

The SPM represents an evolution in poverty measurement, designed to provide more comprehensive insights into economic need, with plans for iterative improvements based on empirical evidence and stakeholder input.