introduction: food consumption patterns are changing as a result of health and environmental issues. subsequently, farmers are under increasing pressure to develop and utilize less toxic production methods and pest control. organic agriculture is a production system that sustains the health of soils, ecosystems, and people. it relies on ecological processes, biodiversity, and cycles adapted to ...

Using urban household-level survey data from 1992 to 1998, we provide estimates of final demand for edible vegetable oils and animal fats in three regions of China based on the LinQuad incomplete demand system. For each region, the demand for the major “staple” oil is price inelastic. The demand for “condiment” or flavoring oils is more price responsive. All edible oils and fats have positive i...

Accounting for desire for variety within the consumer demand function, a two stage hybrid competitive-cooperative game analyzes di¤erentiated oligopolies under varying market structures from competition through pooling contracts up to anti-trust immune alliances. From a managerial perspective, pooling agreements not only bene…t …rms by better matching supply and demand but also rank highest in ...

It is commonly observed that the demand rates of many consumer goods are auto correlated and are dependent on the price and inventory amount. It is believed that the distribution of demand is independent from time to time. But in real life the demand of goods is auto-correlated. The effects of dependency and autocorrelated demand are studied under a periodic review model. An adaptive order-up-t...

This study extracted the demand preference topic words of new energy vehicle consumers with help model, calculated similarity between word vectors and keywords expanded keywords, analyzed compared topics feature expansion different car models, summarized differences other consumer groups. The analysis results show that consumers’ demands groups have exact dimensions such as features brand featu...