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BAYESIAN ANALYSIS OF POVERTY RATES: THE CASE OF VIETNAMESE PROVINCES. Dominique Haughton and Nguyen Phong Bentley College, USA and General Statistical Office, Vietnam. T.P. Hå CHÝ MINH URBAN: DATA. T.P. Hå CHÝ MINH URBAN: sampled communes.
 
                
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BAYESIAN ANALYSIS OF POVERTY RATES: THE CASE OF VIETNAMESE PROVINCES Dominique Haughton and Nguyen Phong Bentley College, USA and General Statistical Office, Vietnam
T.P. Hå CHÝ MINH URBAN: frequentist (weighted) computations
PRIOR 1: LOOSELY BASED ON BAULCH AND MINOT POVERTY MAPPING MEANS = /  = 200
HCMC URBAN PRIOR 2: SAME /, HIGHER STANDARD DEVIATIONS,  = 80
HCMC URBAN PRIOR 3: EXPERT OPINION, P.R. BETWEEN .01 AND .03 (95%),  = 80
PRIOR 1: LOOSELY BASED ON BAULCH AND MINOT POVERTY MAPPING  = 40
NOW FOR NOT SO GOOD NEWS: • Poverty lines are very noisy, among other things because of high uncertainty in prices • So households are classified into poor/non-poor with some misclassification • In this case, samples sizes needed for a given accuracy will in general need to be higher (Rahme, Joseph and Gyorkos, 1999)