functionalForms: Functional forms

Description Usage Arguments Value

Description

These four different functions provide estimates for the food consumption values in year t+1 given the consumption in year t, changes in income, and the elasticity of the particular commodity.

Usage

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linear(food_t0, elas, gdp_pc_t0, gdp_pc_t1, pop_t0, pop_t1)

logLog(food_t0, elas, gdp_pc_t0, gdp_pc_t1, pop_t0, pop_t1)

semiLog(food_t0, elas, gdp_pc_t0, gdp_pc_t1, pop_t0, pop_t1)

logInverse(food_t0, elas, gdp_pc_t0, gdp_pc_t1, pop_t0, pop_t1)

Arguments

food_t0

The food consumption at time t.

elas

The elasticity of the commodity. This will vary by country and commodity.

gdp_pc_t0

Per person GDP (gross domestic product) at time t.

gdp_pc_t1

Per person GDP (gross domestic product) at time t+1.

pop_t0

Population at time t.

pop_t1

Population at time t+1.

Value

An estimate for the food consumption in year t1.


SWS-Methodology/faoswsFood documentation built on June 19, 2019, 5:14 p.m.