Baseline estimates are generated using the Box-Jenkins time series expectation of non-promoted volume calculated at the store/week/UPC level. The expectation of sales is a weighted moving average of weekly observations of normal non-promoted volume. The relationship between baseline volume and...

Seven systems of Engel curves for expenditures on ten commodity groups were estimated using Taiwanese household expenditure data for the period from 1996 through 1998. Results show that the estimated expenditure elasticities are insensitive to the choice of functional forms.

This paper presents a version of the household production theory to explain the demand for health. In this study we have explored the factors that influence the demand for medical services and medical expenditures in Taiwan. A negative binomial model was used to study the demand for medical...