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Decomposing Response Errors in Food Consumption Measurement : Implications for Survey Design from a Survey Experiment in Tanzania

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World Bank (WB)

Abstract: There is wide variation in how consumption is measured in household surveys both across countries and over time. This variation may confound welfare comparisons in part because these alternative survey designs produce consumption estimates that are differentially influenced by contrasting types of survey response error. Although previous studies have documented the extent of net error in alternative survey designs, little is known about the relative influence of the different response errors that underpin a survey estimate. This study leverages a recent randomized food consumption survey experiment in Tanzania to shed light on the relative influence of these various error types. The observed deviation of measured household consumption from a benchmark is decomposed into item-specific consumption incidence and consumption value so as to investigate effects related to (a) the omission of any consumption and then (b) the error in value reporting conditional on positive consumption. The results show that various survey designs exhibit widely differing error decompositions, and hence a simple summary comparison of the total recorded consumption across surveys will obscure specific error patterns and inhibit the lessons for improved consumption survey design. In light of these findings, the relative performance of common survey designs is discussed, and design lessons are drawn to enhance the accuracy of item-specific consumption reporting and, consequently, the measures of total household food consumption.
Type: Working Paper
Publications & Research
Publications & Research :: Policy Research Working Paper
Link: http://hdl.handle.net/10986/24220
Subject: LIVING STANDARDS
PER CAPITA CONSUMPTION
HOUSEHOLD SIZE
HOUSEHOLD SURVEY
DURABLE GOODS
UNDERVALUATION
VALUATION
FOOD CONSUMPTION
INCOME
PERISHABLE FOOD
AGRICULTURAL DEVELOPMENT
CONSUMPTION DATA
WORLD FOOD PROGRAMME
CASSAVA
ASSET WEALTH
FOOD POLICY
WELFARE
DAIRY
AGRICULTURAL ECONOMICS
HOUSEHOLD BUDGET SURVEY
PAYMENTS
WEALTH
BASIC FOODSTUFFS
FOOD CONSUMPTION EXPENDITURE
CALORIC INTAKE
ECONOMIC ANALYSIS
REGION
WELFARE COMPARISONS
DEVELOPMENT
MAIZE
INFLUENCE
CEREALS
DEVELOPMENT ECONOMICS
TELECOMMUNICATIONS
DATES
HOUSEHOLD HEAD
TOTAL CONSUMPTION
HOUSEHOLD EXPENDITURE SURVEY
PERISHABLE GOODS
CRITERIA
HOUSEHOLD INCOME
PADDY
FRUITS
POVERTY STATUS
VEGETABLES
NUTS
CONSUMPTION EXPENDITURE
FOOD EXPENDITURES
PERISHABILITY
HOUSEHOLD MEMBERS
HOUSEHOLD WEALTH
CONSUMPTION
GOOD
ECONOMIC RESOURCES
FUTURE
VALUE
ANIMAL FEED
PERMANENT INCOME
TUBERS
FRUIT
CONSUMPTION MEASURE
FOOD GOODS
BEVERAGES
AGRICULTURE
FOOD RECALL
MALNUTRITION
MEASUREMENT
FOOD SCRAPS
HOUSEHOLD CHARACTERISTICS
NUTRITION
WFP
HOUSEHOLD BUDGET
BENCHMARK
FOOD
PERSONAL CONSUMPTION
PORK
FOOD DEMAND
FOOD LOSSES
FOOD INSECURITY
MEASURED CONSUMPTION
DEMAND FOR FOOD
GOODS
REGIONS
SUGARS
HOUSEHOLDS
POVERTY
RURAL AREAS
BANANAS
MEAT
HOUSEHOLD CONSUMPTION
RICE
HOUSEHOLD EXPENDITURES
CONSUMPTION LEVELS
FOODS
FOOD CHARACTERISTICS
FLOUR
COMMODITY
PULSES
HOUSEHOLD EXPENDITURE
DEVELOPMENT POLICY




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