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Rapid urbanization in Sub-Saharan Africa places immense pressure on urban services to meet the needs of the burgeoning urban population. Although several country- or city-level reports offer insight into the housing challenges of specific places, little is known about regional patterns affecting housing markets. This lack of clear knowledge on the relative importance of the factors influencing households' housing demand in countries in Sub-Saharan Africa inhibits policy makers, researchers, the private sector, and development partners from making informed decisions when addressing affordable housing provision and the rapid increase in and growth of informal settlements. To shed light on the contours of housing patterns and impediments impacting the region' households, this paper provides a systematic review of housing conditions in Sub-Saharan Africa. By drilling down into the housing issues in the region from the perspective of the household, the paper analyses the trade-offs households make in allocating their budgets over time to housing and other amenities and provides a first approximation at understanding the differences in households' expenditure patterns and housing decisions across countries. The findings suggest that rather than emphasizing policies that purport to increase expenditures on housing at this stage of development, policy makers in Sub-Saharan Africa should focus on extending access to basic services and strengthening coordination between land use planning and service provision. As incomes increase, this focus would allow households the opportunity to access houses that are equipped with basic infrastructure and help countries move toward better overall quality of housing.

Access To Services --- Communities & Human Settlements --- Housing & Human Habitats --- Housing Markets --- Inclusive Cities --- National Urban Development Policies & Strategies --- National Urban Policies --- Transport --- Transport Economics Policy and Planning --- Urban Development --- Urban Housing --- Urban Housing and Land Settlements

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Today, more than half of Haiti's population calls cities and towns their home, in a major shift from the 1950s when around 90 percent of Haitians lived in the countryside. Urbanization is usually paired with economic growth, increased productivity, and higher living standards, but in Haiti it has taken a different course. Potential benefits have been overshadowed by immense challenges, all of which require immediate action. To better understand the factors that constrain the sustainable and inclusive development of Haitian cities, this Urbanization Review organizes the challenges along three dimensions of urban development namely planning, connecting, and financing. Planning reviews the challenges in supporting resilient growth to create economically vibrant, environmentally sustainable, and livable cities. Connecting focuses on the obstacles of physically linking people to jobs and businesses to markets, while financing focuses on identifying the key capital, governance, and institutional constraints that are hurdles to successful planning and connecting.

City Development Strategies --- Municipal Financial Management --- National Urban Development Policies and Strategies --- Urban Development --- Urban Economic Development --- Urban Governance and Management --- Urban Poverty --- Urban Services to the Poor

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The efficiency and productivity of Colombia's urban system will be a key determinant in the ability of the country to transition from a middle to a higher income economy. Economic growth is strongly driven by commodities in Colombia and other Latin American countries. However, the contribution of urban activities to urban growth is non-negligible when all urban activities are added. Strengthening the roles of cities may contribute to mitigating the risks inherent to commodity intensive economies and can support a stronger resource-based manufacturing economic structure and more knowledge inten

City planning -- Colombia. --- Colombia -- Economic conditions. --- Urban policy -- Colombia. --- Urbanization -- Colombia. --- Urbanization --- Urban policy --- City planning --- Sociology & Social History --- Social Sciences --- Communities - Urban Groups --- Colombia --- Economic conditions. --- Cities and state --- Urban problems --- City and town life --- Economic policy --- Social policy --- Sociology, Urban --- Urban renewal

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Many cities and urban centers around the world experience high air pollution episodes attributable to increased anthropogenic alterations of natural environmental systems. World Health Organization estimates indicate strong exceedances of prescribed limits in developing countries. However, the evidence on local pollution measures is limited for such cities and Uganda is no exception. Informed by the practical realities of air quality monitoring, this paper employs a low-cost approach using passive and active monitors to obtain characterization of pollution levels based on particulate matter 2.5, nitrogen dioxide, and ozone over a six-month period (starting in December 2018) for selected urban centers in three of the four macro-regions in Uganda. This is the first attempt to comprehensively assess pollution levels at a near-national level in Uganda. A combination of distributed stationary monitors and mobile monitors installed on motorcycle taxis (boda-boda) was employed in selected parishes to obtain spatiotemporal variations in the pollutant concentrations. The results suggest that seasonal particulate levels heavily depend on precipitation patterns with a strong inverse relation, which further corroborates the need for longer monitoring periods to reflect actual seasonal variations. Informed by the observed level of data completeness and quality in all the monitoring scenarios, the paper highlights the practicability and potential of a low-cost approach to air quality monitoring and the potential to use this information to inform citizens.

Air Pollution --- Air Quality and Clean Air --- Air Quality Monitoring --- Brown Issues and Health --- Climate Change Mitigation and Green House Gases --- Environment --- Mobile Technology --- Nitrogen Dioxide Emission --- Ozone --- Particulate Matter --- Pollutant Concentration --- Pollution Management and Control --- Seasonal Variation --- Spatiotemporal Variation --- Urban Air Quality --- Urban Development --- Urban Environment

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This paper provides the first systematic empirical assessment of the pace at which housing investment has responded to rising demand from urbanization. The assessment used National Accounts Statistics to build a data set of residential housing investment for more than 90 countries. The data set explicitly accounts for investment by households, the government, and the private sector. The analysis finds that housing investment follows an S-shaped trajectory taking off around per capita GDP of about USD 3,000 (USD 2005) and tapering down at per capita GDP around USD 36,000 (USD 2005). The analysis also finds that between 2001 and 2011, housing investment in low-income economies averaged 4.56 percent of gross domestic product and 9.12 percent in upper-middle-income economies. An important finding is that countries in Sub-Saharan Africa have housing elasticities similar to comparable low-income and lower-middle-income economies. In financing housing investment, the paper finds that developing countries tend to rely much more on domestic savings and government debt, whereas high-income Organisation for Economic Co-operation and Development countries lever capital markets by tapping foreign savings. Not only does excessive reliance on domestic savings and government debt increase the sensitivity of housing investment to the cyclicality of growth of gross domestic product, it also can potentially crowd out investments in health and education.

Debt Markets --- Domestic Savings --- Economic Theory & Research --- Emerging Markets --- Finance and Financial Sector Development --- Gdp Growth --- Government Debt --- Housing Investment --- Investment and Investment Climate --- Macroeconomics and Economic Growth --- Non Bank Financial Institutions --- Private Sector Development --- Urbanization