A. Trichopoulou and A. Naska, University of Athens 2.1 Introduction Documenting and monitoring dietary patterns are priorities in nutritional epidemiology, in the planning of national food and nutrition policies and in the evaluation of nutrition education strategies. Early efforts in documenting dietary patterns were focused on identifying the specific nutrients that may be responsible for effects on people’s health, but recently research has expanded towards studying patterns of food intake. Food data are often derived from:
Any form of nonpersonal presentation and promotion of ideas, goods, or services by an identified sponsor. U.S. advertisers spend in excess of $175 billion each year. Advertising is used by: – Business firms, –Nonprofit organizations, –Professionals
Where Are We Doing in This Chapter? After modeling a consumer’s choice set and his preference (represented by utility functions), we now put them together and model how he/she makes optimal choice. In mathematical terms, this is a constrained maximization problem; In economics, this is a rational choice problem
Monetary Measures of Gains-toTrade You can buy as much rice as you wish at RMB1 per kilogram once you enter the gasoline market. Q: What is the most you would pay to enter the market?