Widespread hunger and malnutrition persist today despite considerable growth in per capita food availability. This has prompted an evolving conceptualization of food security and of mechanisms to attain and maintain food security. This chapter discusses both food security and food assistance...

Chapter 1. Introduction -- Chapter 2. Producers -- Chapter 3. Consumers -- Chapter 4. Dealing with Externalities -- Chapter 5. Food Policies and Prices -- Chapter 6. Food Trade -- Chapter 7. Databases and Their Potential -- Chapter 8. Research Approaches -- Chapter 9. Concluding remark.