尼泊尔2023世行企业调查实施报告(英文).pdf

尼泊尔2023世行企业调查实施报告(英文).pdf

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TheNepal2023WorldBankEnterpriseSurvey

ImplementationReport

I.Introduction

ThisdocumentprovidesinformationontheWorldBankEnterpriseSurveys(WBES)

implementedinNepalbetweenMay2023andAugust2023.TheWBEScollectbothobjective

databasedonfirms’day-to-dayexperiences,andperceptionsofenterprisesregardingthebusiness

environmentinwhichtheyoperate.TheWBEScurrentlycoverover195,000firmsin155

countrieswithatotalofmorethan300surveyssince2006.TheWBESarealsousedtobuilda

panelofenterprisedatathatwillmakeitpossibletotrackchangesinthebusinessenvironment

overtime.1

Thisreportdescribesthesamplingdesignofthesurvey,thedatasetstructureaswellas

additionalinformationthatmaybeusefulwhenusingthedata,suchasinformationonsurveynon-

responseandtheappropriateuseofthesamplingweights.

II.SamplingStructure

TheWBESusestratifiedrandomsampling,wherethepopulationofestablishmentsisfirst

separatedintonon-overlappinggroups,calledstrata,andthenrespondentsareselectedthrough

simplerandomsamplingfromeachstratum.ThedetailedmethodologyisprovidedintheSampling

Note.2Stratifiedrandomsamplinghasseveraladvantagesoversimplerandomsampling.In

particular,it:

•producesunbiasedestimatesofthewholepopulationoruniverseofinference,aswellas

atthelevelsofstratification

•ensuresrepresentativenessbyincludingobservationsinallofthosecategories

•producesmorepreciseestimatesforagivensamplesizeorbudgetallocation,and

•mayreduceimplementationcostsbysplittingthepopulationintoconvenientsubdivisions.

TheWBEStypicallyusethreelevelsofstratification:industryclassification,establishment

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