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A Simple Poverty Scorecard for the Philippines

A Simple Poverty Scorecard for the Philippines

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Figure 10 (All poverty lines): Differences, precision of differences, and samplesizeα <strong>for</strong> bootstrapped estimates of poverty rates <strong>for</strong> independent groupsof households at two points in time <strong>for</strong> <strong>the</strong> 2004 scorecard applied to <strong>the</strong>validation sample in 2004 and <strong>the</strong> entire sample in 2002InternationalNational USAID 2005 PPP1993 PPPNational Food 'Extreme' $1.25/day $2.50/day $3.75/day $5.00/day $4.32/dayEstimate minus true value2004 minus 2002 –0.5 –2.4 –0.1 –1.6 –2.0 –1.6 –1.1 –2.1Precision of difference2004 minus 2002 0.7 0.6 0.5 0.6 0.7 0.7 0.7 0.7α <strong>for</strong> sample size2004 minus 2002 0.63 0.75 0.77 0.70 0.64 0.68 0.71 0.65<strong>Scorecard</strong> is based on 2004 APIS and applied to households in 2004 validation sample and all households in 2002 APIS.Precision is measured as 90-percent confidence intervals in units of +/– percentage points.Differences and precision estimated from 1,000 bootstraps of size n = 16,384.α is estimated from 1,000 bootstrap samples of n = 256, 512, 1,024, 2,048, 4,096, 8,192, and 16,384.69

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