To analyze fresh vegetable consumption using household survey data, the tobit model and a more flexible parameterization to the tobit model - the "double hurdle" model - were considered. Based on the likelihood ratio test, the tobit model was rejected against the "double hurdle" specification....

Recognizing the unobservability of consumer perception, a structural latent variable model with multiple dichotomous indicators and multiple cause variables was employed to characterize consumer perception of orange juice. Results indicated that education, sex, race, urbanization, and household...

Recognizing that misspecification in the form of heteroskedasticity and non-normality yields inconsistent parameter estimates of the Tobit model, the Information Matrix Misspecification test was used to detect violations of the distributional assumptions of the Tobit model applied to fresh...

Using quarterly data, the notion of Granger causality is employed to to test the causal relationship existing between advertising and sales of cheese and butter in Canada. Results suggest that advertising expenditures influences sales of both commodities. However, sales appear to influence...