The multiple indicator-multiple cause (MIMIC) method is a well-established tool for measuring informal economic activity. However, it has been criticized because GDP is used both as a cause and indicator variable. To address this issue, this paper applies for the first time the light intensity approach (instead of GDP). It also uses the Predictive Mean Matching (PMM) method to estimate the size of the informal economy for Sub-Saharan African countries over 24 years. Results suggest that informal economy in Sub-Saharan Africa remains among the largest in the world, although this share has been very gradually declining. It also finds significant heterogeneity, with informality ranging from a low of 20 to 25 percent in Mauritius, South Africa and Namibia to a high of 50 to 65 percent in Benin, Tanzania and Nigeria.

This book uses household surveys in five countries of Sub-Saharan Africa to describe employment off the farm in the region s growing informal sector and assesses how different forms of education and training, including apprenticeships, influence choices in employment and earnings.

"The series is sponsored by the Agence Francaise de Developpement and the World Bank."

The Global Informal Workforce is a fresh look at the informal economy around the world and its impact on the macroeconomy. The book covers interactions between the informal economy, labor and product markets, gender equality, fiscal institutions and outcomes, social protection, and financial inclusion. Informality is a widespread and persistent phenomenon that affects how fast economies can grow, develop, and provide decent economic opportunities for their populations. The COVID-19 pandemic has helped to uncover the vulnerabilities of the informal workforce.

For African cities to grow economically as they have grown in size, they must create productive environments to attract investments, increase economic efficiency, and create livable environments that prevent urban costs from rising with increased population densification. What are the central obstacles that prevent African cities and towns from becoming sustainable engines of economic growth and prosperity? Among the most critical factors that limit the growth and livability of urban areas are land markets, investments in public infrastructure and assets, and the institutions to enable both. To unleash the potential of African cities and towns for delivering services and employment in a livable and environmentally friendly environment, a sequenced approach is needed to reform institutions and policies and to target infrastructure investments. This book lays out three foundations that need fixing to guide cities and towns throughout Sub-Saharan Africa on their way to productivity and livability.

This pioneering study offers a conceptual model and rich empirical evidence to help researchers and policy-makers understand informal innovation in developing countries.