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Can modern technologies facilitate spatial and temporal price analysis?

Marko Rissanen's picture

The International Comparison Program (ICP) team in the World Bank Development Data Group commissioned a pilot data collection study utilizing modern information and communication technologies in 15 countries―Argentina, Bangladesh, Brazil, Cambodia, Colombia, Ghana, Indonesia, Kenya, Malawi, Nigeria, Peru, Philippines, South Africa, Venezuela and Vietnam―from December 2015 to August 2016.

The main aim of the pilot was to study the feasibility of a crowdsourced price data collection approach for a variety of spatial and temporal price studies and other applications. The anticipated benefits of the approach were the openness, accessibility, level of granularity, and timeliness of the collected data and related metadata; traits rarely true for datasets typically available to policymakers and researchers.

The data was collected through a privately-operated network of paid on-the-ground contributors that had access to a smartphone and a data collection application designed for the pilot. Price collection tasks and related guidance were pushed through the application to specific geographical locations. The contributors carried out the requested collection tasks and submitted price data and related metadata using the application. The contributors were subsequently compensated based on the task location and degree of difficulty.

The collected price data covers 162 tightly specified items for a variety of household goods and services, including food and non-alcoholic beverages; alcoholic beverages and tobacco; clothing and footwear; housing, water, electricity, gas and other fuels; furnishings, household equipment and routine household maintenance; health; transport; communication; recreation and culture; education; restaurants and hotels; and miscellaneous goods and services. The use of common item specifications aimed at ensuring the quality, as well as intra- and inter-country comparability, of the collected data.

In total, as many as 1,262,458 price observations―ranging from 196,188 observations for Brazil to 14,102 observations for Cambodia―were collected during the pilot. The figure below shows the cumulative number of collected price observations and outlets covered per each pilot country and month (mouse over the dashboard for additional details).

Figure 1: Cumulative number of price observations collected during the pilot

From London to Abidjan and Accra: Making your chocolate deforestation-free

Richard Scobey's picture
Photo: World Cocoa Foundation.


For five years now, the global community has been observing the International Day of Forests on March 21. It is an occasion to celebrate the wide range of economic and social benefits that forests and trees bring to humankind. Since joining the World Cocoa Foundation (WCF) as its president in July 2016, I have been paying lots of attention to forests in West Africa, which is the world’s leading source of cocoa. These tropical forests, and others like them around the world, play an indispensable role in fighting global climate change by storing carbon. They also meet vital local needs, by cooling temperatures, helping generate rainfall, and purifying the air and water. Healthy forests help rural communities thrive. The paradox is that, over the last 10 years, life-giving forests in Côte d’Ivoire and Ghana were felled at an alarming rate as cocoa farmers, faced with challenges such as low prices, climate change, and low productivity, have expanded the land area on which they grow cocoa. The crop, essential for the chocolate and cocoa products that many of us love, is now seen as a major driver of deforestation in these countries.

A light at the end of the tunnel: Implementing ICT for public work programs in Ghana through e-services

Suleiman Namara's picture
Techonology has improved the delivery of a cash-for-work program in Ghana. Photo credit: Arne Hoel/ World Bank


Over the past decade, delivery systems for safety net programs in developing countries, particularly in Africa, have been largely paper-based. Social assistance projects in these settings often conjured pictures of tedious long lines to fill out paper registration and attendance forms, ink-based thumb printing to receive payments, manual verification of beneficiaries using a combination of different ID cards, as well as high levels of unintentional administrative errors, corruption and fraud.

Climate-smart agriculture: Lessons from Africa, for the World

Ademola Braimoh's picture



The world’s climate is changing, and is projected to continue to do so for the foreseeable future.  The impact of climate change will be particularly felt in agriculture, as rising temperatures, changing rainfall patterns, and increased pests and diseases pose new and bigger risks to the global food system. Simply put, climate change will make food security and poverty reduction even more challenging in the future.

2017 in review: The top ten World Bank education blogs

Anne Elicaño-Shields's picture
Celebrating education. (Photo: World Bank)


As the editor of the World Bank’s education blog, I get weekly submissions from our education experts from all corners of the globe. Provocative and informative, our bloggers write about some of the education sector’s most hotly debated issues today.

Here are 2017’s most-read blog posts:

#10 There are cost-effective ways to train teachers

Teachers are the single most important factor affecting how much students learn. However, talent and heart aren’t enough to make a good teacher- as in all professions, one must train (and continue to train!) to be truly effective. This can be a big challenge in countries with fewer resources for education. Read about how 8,000 teachers in disadvantaged districts in Ghana upgraded their skills while simultaneously teaching in schools.

Why gender parity is a low standard for success in education

Stephanie Psaki's picture
Gender parity in educational attainment may mask other important inequalities. (Photo: Vuong Hai Hoang / World Bank)


In many ways, girls’ education is a success story in global development. Relatively simple changes in national policies – like making primary schooling free and compulsory – have led to dramatic increases in school enrollment around the world. In Uganda, for example, enrollment increased by over 60 percent following the elimination of primary school fees.  

As more young people have enrolled in school, gaps in educational attainment between boys and girls have closed. According to UNESCO, by 2014, “gender parity (meaning an equal amount of men and women) was achieved globally, on average, in primary, lower secondary, and upper secondary education.”

Yet, more than 250 million children are not in school. Many more drop out before completing primary school. And many young people who attend school do not gain basic literacy skills. These challenges remain particularly acute for poor girls.

In a new paper, published in Population and Development Review, we explore recent progress in girls’ education in 43 low- and middle-income countries. To do so, we use Demographic and Health Survey data collected at two time points, the first between 1997 and 2007 (time 1), and the second between 2008 and 2016 (time 2).

Why we should be more optimistic about forests and climate change

Ellysar Baroudy's picture



If you skimmed the news this year, 2017 may have seemed like a tough year for climate change.
 
The US and the Caribbean endured a devastating hurricane season. People across Africa felt the impact of consecutive seasons of drought that scorched harvests and depressed livelihoods. And severe rains and flooding forced tens of thousands of evacuations in Asia.

We’ve all seen these headlines, and perhaps several others that leave us feeling discouraged, to say the least. The thing is, these headlines do not tell the full story.

Mentoring entrepreneurs: Finding out what works and what doesn’t

Raj Nandy's picture
The Caribbean CIC Team after the Workshop kick-off. © Elaine Tinsley
The Caribbean CIC Team after the Workshop kick-off. © Elaine Tinsley

Start-ups in emerging markets are disadvantaged when it comes to accessing mentors and mentorship programs. The infoDev Climate Technology Program has been working to fix this challenge and recently launched two mentorship pilots in partnership with Climate Innovation Centers in Ghana and the Caribbean.  
 
Entrepreneurs are powerful agents of change. They are catalysts for job creation and drivers of economic growth. Successful entrepreneurs from developed technology hubs often engage mentors so that they can learn from experienced industry veterans, solve unfamiliar problems, and navigate blind spots. In emerging economies, great mentors are harder to come by, founders are less familiar with what to expect from a mentor, and support programs and networks are less established.

The principal makes the difference

Jaime Saavedra's picture
Principals have to deal with hundreds of students and their personal and academic challenges. (Photo: Sarah Farhat​ / World Bank)


All schools are different. I’m not referring to the building, the number of students or teaching practices. I’m talking about the school’s spirit. When you walk into a good school, the building is often well-organized and clean. The students look busy and happy. You don’t see strict discipline; ideally, you see organized chaos.

When you see a well-functioning school, most likely, there is a good principal behind it. A leader who sets a vision for the school and sets clear objectives. Someone who creates the space that fosters teachers’ professional and personal development, and encourages students’ personal growth, creativity, and their own journey of discovery.

Running a school efficiently is a very difficult challenge. A principal must be a pedagogical leader to dozens of teachers: observing them in the classroom, evaluating institutional performance, and helping them get the professional development opportunities they need. Principals have to deal with hundreds of students and their personal and academic challenges. They need to respond to parents, each with their own expectations for the school. And principals also need to contend with the administrative and financial burdens imposed by the bureaucracy.  


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