What is the welfare effect of a price change? This simple question is one of the most relevant and controversial questions in microeconomic theory and one of the main sources of errors in empirical economics. This book returns to this question with the objective of providing a general framework...

The objective of this book is to capitalize on the work undertaken by the World Bank in the MENA Region between 2010 and 2014 using a particular model specifically designed for the distributional analysis of subsidies and the simulation of subsidies reforms. The model is called “SUBSIM” and...

The book focuses on the largest refugee crisis of our time: the Syrian refugee crisis. It exploits a wealth of survey and registry data on Syrian refugees living in Jordan and Lebanon to assess their poverty and vulnerability status, understand the predictors of these statuses, evaluate the...

This book joins four papers prepared in the framework of the Egypt inequality study financed by the World Bank. The first paper prepared by Sherine Al-Shawarby reviews the studies on inequality in Egypt since the 1950s with the double objective of illustrating the importance attributed to...

Despite the growing numbers of forcibly displaced persons worldwide, many people living under conflict choose not to flee. Individuals face two lotteries -- staying or leaving -- characterized by two distributions of potential outcomes. This paper proposes to model the choice between these two...

The combination of conflict, food insecurity, and displacement generates competing claims for financial resources that stretch the donors' ability to provide funding and the humanitarian organizations' capacity to provide social assistance. The paper uses Receiver Operating Characteristic curves...

Forced displacement -- defined as the displacement of refugees and internally displaced persons due to violence -- has reached an unprecedented scale and global attention during the past few years, particularly in the aftermath of the Syrian refugee crisis in 2011 and the European Union's...

The paper compares the distribution of energy and food subsidies across households and the impact of subsidy reforms on household welfare in the Middle East and North Africa region. The analysis uses a unified model and harmonized household data. The results show that the distribution of...

The paper takes stock of eight country studies and a cross-country analysis to review the experience with subsidy reforms in the Middle East and North Africa region between 2010 and 2014. This unprecedented period of subsidy reforms occurred during a period of extraordinary political changes,...

What is the welfare effect of a price change? This simple question is one of the most relevant and controversial questions in microeconomic theory and its different answers can lead to severe heterogeneity in empirical results. This paper returns to this question with the objective of providing...