This paper proposes a finite mixture model (FMM) to model the behavioral transition of calorie consumption with an assumption that nutrition consumption is a mixture of two different behavioral stages: a poor stage and an affluent stage. Based on 387 calorie-income elasticities collected from 90...

Derived from unit value and the gravity model, this paper proposes a simple model to analyze the quality determinants of imported fruits in China, and finds that (1) both quantity and price are exogenous for quality, and quality decreases in quantity but increases in price; (2) the own-income...