In food demand growth equation D = Φ + a E, a is the income elasticity of demand for food E is the per capita income growth and Φ is ?
Correct answer: D. population growth
- A. Poverty rates
- B. food security index
- C. change in the quantity of food demanded per capita
- D. population growth
Explanation
In this food-demand growth relationship, the total growth in demand reflects population growth plus the income effect, represented by aE. Therefore, Φ denotes population growth, not a food-security measure.
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