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Abstract
Many studies suggest that changes in household economic resources (incomes and expenditure)
have little effect on nutrient intakes and child malnutrition in developing countries. This paper
examines the impact that errors-in-variables have on inferences about the importance of
household incomes to the calorie and protein demands of households. Results are based on a new
household survey from Papua New Guinea, with repeated observations on households during the
year. These repeated observations allow regression estimates to be corrected for the differing
reliabilities of the explanatory variables.