The rapid growth of human population has impacted on global food security, development and health. Therefore, efforts to achieve the sustainable development goals of reducing poverty and hunger needs to particularly focus on the critical linkages between agriculture, nutrition, health and...

Most macroeconomic models assume that aggregate output is generated by a specification for the production function with total physical capital as a key input. Implicitly this assumes that private and public capital stocks are perfect substitutes. In this paper we test this assumption by...