the government of republic malawi and european union capacity building project for economic management policy coordination technical report no 36 revision price statistics 2 may 2006 i ii contents list abbreviations iv executive summary 1 introduction 3 conversion household expenditure data to cpi weights mapping groups pricing items 4 population distribution by income 5 reliability 6 collection 7 back processing 8 recommendations 10 appendices 11 a terms reference willem van den andel updated version 12 b preparatory activities during period june 14 c draft methodology 15 iii tables table ihs2 2004 05 expenditures 9 number households district group markets from which prices have been collected in recent past cbpempc & co ordination consumer index cwiq world