FAO.org

The FAPDA web-based tool is one of the major components of FAPDA activities. The tool was developed in 2011 with the support of the Government of the Kingdom of Spain so as to provide an electronic repository for food and agriculture policy decisions.
 The aim is to serve all stakeholders such as governments, development partners, regional economic organizations, civil society organizations, researchers, policy makers and the private sector. Between 2008 and 2016, more than 9000 policy decisions have been gathered and then consolidated on this web-based tool which allows for the identification of policy trends and the analysis of policy mixes and [...]

This module illustrates how Generalised Lorenz (GL) Curves can be used to identify the best income distribution on social welfare grounds, within a set of alternative income distributions generated by different policy options, in many of the cases where ordinary Lorenz curves fail to work. After illustrating some pitfalls of ordinary Lorenz Curves, a cursory presentation of the step-by-step procedure to check for Generalised Lorenz dominance and to infer welfare judgements is provided and demonstrated with some simple numerical examples. This module also points out the limitations of the GL approach whenever GL curves cross each other. In addition, it illustrates [...]