Food Security: Concepts and Measurement

2.1 Introduction

This chapter looks at the origins of the concept of chronic food insecurity, the implications for measurement, and suggests the need for a complementary investigation into the implications for transitory food insecurity of trade liberalization. The 2002 food crisis in Southern Africa is used to highlight issues for further discussion.

2.2 Defining food security

Food security is a flexible concept as reflected in the many attempts at definition in research and policy usage. Even a decade ago, there were about 200 definitions in published writings.Whenever the concept is introduced in the title of a study or its objectives, it is necessary to look closely to establish the explicit or implied definition.

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