The Almost Ideal Demand System (AIDS) is a consumer demand model used primarily by economists to study consumer behavior. The AIDS model gives an arbitrary second-order approximation to any demand system and has many desirable qualities of demand systems. For instance it satisfies the axioms of order, aggregates over consumers without invoking parallel linear Engel curves, is consistent with budget constraints, and is simple to estimate.
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| - Almost ideal demand system (en)
- AIDS (economía) (es)
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| - The Almost Ideal Demand System (AIDS) is a consumer demand model used primarily by economists to study consumer behavior. The AIDS model gives an arbitrary second-order approximation to any demand system and has many desirable qualities of demand systems. For instance it satisfies the axioms of order, aggregates over consumers without invoking parallel linear Engel curves, is consistent with budget constraints, and is simple to estimate. (en)
- El sistema casi ideal de demanda en inglés se le denomina Almost Ideal Demand System (AIDS) (1980) es un modelo de demanda de consumo, el cual es utilizado principalmente por los economistas para estudiar el comportamiento del consumidor. El modelo AIDS da una aproximación de primer orden arbitraria a cualquier sistema de demanda y tiene muchas cualidades deseables de los sistemas de demanda. Por ejemplo satisface los axiomas de orden, agregados a los consumidores sin invocar lineales paralelas curvas de Engel, es coherente con las limitaciones presupuestarias, y es fácil de estimar. (es)
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| - The Almost Ideal Demand System (AIDS) is a consumer demand model used primarily by economists to study consumer behavior. The AIDS model gives an arbitrary second-order approximation to any demand system and has many desirable qualities of demand systems. For instance it satisfies the axioms of order, aggregates over consumers without invoking parallel linear Engel curves, is consistent with budget constraints, and is simple to estimate. (en)
- El sistema casi ideal de demanda en inglés se le denomina Almost Ideal Demand System (AIDS) (1980) es un modelo de demanda de consumo, el cual es utilizado principalmente por los economistas para estudiar el comportamiento del consumidor. El modelo AIDS da una aproximación de primer orden arbitraria a cualquier sistema de demanda y tiene muchas cualidades deseables de los sistemas de demanda. Por ejemplo satisface los axiomas de orden, agregados a los consumidores sin invocar lineales paralelas curvas de Engel, es coherente con las limitaciones presupuestarias, y es fácil de estimar. (es)
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