Evaluación del método de corriente de bienes frente a un enfoque de demanda para estimar el gasto mensual de los hogares en Argentina

Evaluation of the flow of goods method versus a demand approach to estimate monthly household expenditure in Argentina

Luis Frank

MPRA Paper from University Library of Munich, Germany

Abstract: The paper evaluates the validity of the "flow of goods" method for estimating monthly household expenditure in Argentina, comparing it with an approach based on a demand function. Four retail time series (wholesale and retail supermarkets, shopping centers, and appliances) are analyzed from January 2017 to March 2025. Two VARX models are fitted: one based on the Industrial Production Index (IPI, flow of goods) and another on the relationship between the Consumer Price Index (CPI) deflated by the Wage Index (ISAL) and the Monthly Economic Activity Estimator (EMAE, demand function). The results indicate that the IPI only explains sales in malls and household appliances, while the CPI/ISAL ratio explains sales in all four types of stores, and the EMAE explains sales in malls and household appliances. This result suggests that monthly household expenditures adjust to prices, relative to wages, and in certain cases to income, independently of the flow of production. It is concluded that the flow of goods method is inadequate for monthly expenditure estimates, as it does not capture short-term consumer behavior. A mixed estimation strategy for aggregate consumption based on sales surveys and demand functions is proposed for those items whose sales are not recorded in the statistical system.

Keywords: household expenditure; flow of goods; retail sales; aggregate consumption (search for similar items in EconPapers)
JEL-codes: C53 E01 E21 (search for similar items in EconPapers)
Date: 2025-07-03
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