David McKenzie

David McKenzie

@dmckenzie.bsky.social

Lead Economist at the World Bank’s Development Research Group Development Impact blogger https://sites.google.com/site/decrgdmckenzie/

5,390 Followers 303 Following 347 Posts Joined Sep 2023
4 days ago
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Six Questions with Monica Lambon-Quayefio

In today's blog, 6 questions with Monica Lambon-Quayefio: her pathway from growing up in rural northern Ghana to becoming a development economist, how she formed networks as an African academic, how she goes about teaching development in Ghana, & her research blogs.worldbank.org/en/impacteva...

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1 week ago
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Weekly links March 6: mark-up measurement issues, the origins of inflation targeting, overregulation in Indonesia, solar subsidies, and more…

This week's links include solar subsidies paying off, how digitalization is not simplifying regulations but making more silos in Indonesia, how NZ got Milton Friedman to visit, more reasons to be skeptical of mark-up research, and more... blogs.worldbank.org/en/impacteva...

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2 weeks ago
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Weekly links February 27: Migrating TVET, lending to small firms, quality coffee, and more…

This week's links include how to improve TVET by linking to migration opportunities, does government efforts to increase lending to small firms work, what does remote work look like now, and more... blogs.worldbank.org/en/impacteva...

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3 weeks ago
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Weekly links February 20: is that event study valid? Industrial development, nation building, local research, and more…

In this week's links, the rise of services and industrial development, should funders have local author mandates, do those mover designs/event studies make sense, how to build a nation, and more... blogs.worldbank.org/en/impacteva...

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3 weeks ago
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📢 2026 @novafrica.bsky.social #NovaSBE PhD Summer School

"Practical issues in designing and analyzing field experiments"

Taught by #DavidMcKenzie (WorldBank)

📅 June 22–24
👉 Apply by March 31

Learn more: url-shortener.me/B4DA

#NOVAFRICA2026 Conference:
tinyurl.com/uzc7dyc8

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1 month ago
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Weekly links February 13: fast cash after disasters, uh oh they answered on a mobile phone, rethinking the high school/undergrad research experience, and more…

This week's links include giving cash fast after disasters, whether the science (and econ?) undergrad research experience needs to change, people answer differently on their phones, and more... blogs.worldbank.org/en/impacteva...

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1 month ago
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Sector-targeted Skills Development as Industrial Policy

In today's blog, I discuss how countries can use sector-targeted skills development for industrial policy. This involves training workers in specific areas desired by industries you are targeting to develop. I give examples, caveats, lessons & note research gaps blogs.worldbank.org/en/impacteva...

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1 month ago
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Weekly links February 6, 2026: overcoming beliefs about promoting women, limited impacts of electrification, falling fertility, and more…

This week's links include the beliefs and lack of experimentation that hold back women being promoted in Bangladeshi factories, falling fertility and its implications, 8-9 years after electricity came, not much changed, and more... blogs.worldbank.org/en/impacteva...

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1 month ago
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Weekly links January 30: growth ideas, finding meaningful research questions, micro vs macro evidence on AI and productivity, and more…

This week's links include growth lessons from Vietnam, Peru and Costa Rica; finding a meaningful research topic; reconciling micro & macro evidence on AI and productivity, and more... blogs.worldbank.org/en/impacteva...

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1 month ago
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Lee Bounds in Practice, Part 2

A return to the niche blog topics of yore: today in "lee bounds part 2", I discuss how to deal with binary outcomes and ties in multi-valued outcomes, as well as doing Lee bounds with multiple treatments.
blogs.worldbank.org/en/impacteva...

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1 month ago
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Weekly links January 23: communication as a key research tool, Indian firms vs Chinese competition, doing TA well, and more…

This week's links include the increasing importance of communicating research as grants move from the federal govt to other funders, Indian firms vs Chinese competition, do an RCT in Barbados, do TA well, and more... blogs.worldbank.org/en/impacteva...

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1 month ago
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Weekly links January 16. 2026: sports betting economics, small firms and volatility, macro credibility? And more…

This week's links include the growth of sports betting in Africa, how small firms deal with volatility, the macro/micro convergence of credibility, a @voxdev.bsky.social lit on migration, and more... blogs.worldbank.org/en/impacteva...

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2 months ago

Check out our new VoxDevLit on International Migration! Thanks to co-editors @catiabatista.bsky.social, @econgaurav.bsky.social, @dmckenzie.bsky.social, @mushfiq-econ.bsky.social, & Caroline Theoharides!
We look to working together on this "living literature review" in the years to come...

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2 months ago
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Should I wait or should I sell? The impact of market information and commercialization advice on farmers’ sales decisions. Guest post by Guilio Schinaia

The last in our JMP blog series has Guilio Schinaia with a 2-stage clustered RCT to see how market advisory information affects decisions of cashew farmers in Guinea-Bissau. Information increases farmer revenue, as they make more transactions & get better prices
blogs.worldbank.org/en/impacteva...?

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2 months ago
1. Less skilled labor is abundant.
2. Skilled emigration is a brain drain.
3. Development substitutes for migration.
4. Migration substitutes for failing development, but doesn't cause development.

The International Monetary Fund asked me to review the literature on migration economics to draw lessons for low-income countries.

In a new @iza.org paper, I argue that policy for the 21st century must discard four outdated ideas.

www.iza.org/publications...

🧵 thread—>

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2 months ago
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Is the learning crisis partly a motivation crisis? Guest post by Ridwan Hossain.

In our penultimate JMP blog, @ridwanhossain.bsky.social looks at how pecuniary & non-pecuniary rewards affect exam performance. All rewards boosted scores, with $ biggest. Results suggest low-stakes tests underestimate true learning. blogs.worldbank.org/en/impacteva...?

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2 months ago
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Technology of liberation or control? The political impacts of social media. Guest post by Alexander Fertig

In today's JMP blog, how does social media affect political conflict? Alexander Fertig uses an event study in Myanmar to show when internet freedoms were eroded, the relationship between access & political protest disappeared. blogs.worldbank.org/en/impacteva...?

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2 months ago
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One last (sobering) update on the #EconJobMarket before the winter holidays; data as of 2025-12-14.
In terms of # of job listings on Job Openings for Economists (JOE), this is the worst job mkt in recent yrs for PhD Economists. # jobs down 20% from last yr, even 18.9% lower than during COVID (2020).

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2 months ago
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Transparency without reach? Lessons from India’s largest transparency initiative. Guest post by Pallavi Prabhakar

In today's JMP blog, Pallavi Prabhakar uses an RCT to look at the impact of India's aspirational district program. Learning that one’s district performs worse than its peers increased individual & collective citizen participation blogs.worldbank.org/en/impacteva...?

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3 months ago
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Navigating risky jobs: Why married couples choose the same employer in urban India. Guest post by Shreya Tandon

In today's JMP blog, Shreya Tandon documents that married women often work in the same garment firm in India as their husband. 3 field experiments explore why - evidence seems to be to protect women from risk of unsuitable workplaces blogs.worldbank.org/en/impacteva...?

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3 months ago
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With women in medicine, medical research starts asking different questions. Guest post by Fatima Aqeel

In today's JMP blog, Fatima Aqeel uses a reform in Pakistan that lifted a cap on the share of women in medical schools to show how more women in medicine changes medical research. Result was more work on female-focused health, from both women and men blogs.worldbank.org/en/impacteva...?

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3 months ago
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When gender quotas protect the powerful: Lessons from China’s civil service. Guest post by Jiawei Lyu

In today's JMP blog, @jiaweilyu.bsky.social studies impact of affirmative action for men in China's civil service. Women outperform men in the entry exam, so quotas were introduced to balance gender. Fewer women were hired, quality declined, & tax collected fell. blogs.worldbank.org/en/impacteva...?

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3 months ago
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Consensus or polarization in environmental action? How local leader incentives shape the power of information. Guest post by Chiman Cheung

In today's JMP blog, Chiman Cheung looks at how local leader incentives & public vs leader only info affect collective action against environmental threats with an experiment around information on the risks of mercury from artisanal mining of gold in Ghana blogs.worldbank.org/en/impacteva...?

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3 months ago
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When spousal jealousy keeps women out of work

In today's JMP blog, @krajah123.bsky.social conducts experiments in India to show how spousal jealousy affects female labor force participation: women are more likely to take up work in women-only office & greater impacts for those with more jealous husbands blogs.worldbank.org/en/impacteva...?

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3 months ago
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Building Trust and Transparency via Text Message: How Digital Receipts Change Smallholder Markets. Guest post by Pedro Magaña Sáenz

In today's JMP blog, @pmasae.bsky.social looks at what happens to Ugandan dairy farmers when they start getting digital receipts for milk deliveries. Receipts discipline transporters and milk quality improves, while acting as behavioral nudge for self-deliverers blogs.worldbank.org/en/impacteva...?

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3 months ago
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Following the tracks: How digital monitoring expands access to mechanization in agriculture. Guest post by Sophie Nottmeyer

I missed us posting a JMP blog last week by Sophie Nottmeyer which looks at how a GPS tracking app for tractors allows owners to monitor better, expanding the distance they rent at, helping farmers mechanize and increase productivity. blogs.worldbank.org/en/impacteva...?

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3 months ago
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How Do Opportunities Shape Aspirational Responses? Experimental Evidence from Solar Electrification in Rural Myanmar We are excited to launch our Job Market Paper Series blog for 2025-2026, beginning with our very first blog post by Ferran Vega-Car…

To kick things off for our 2025 Job Market Paper series, Ferran Vega-Carol writes about his JMP about Solar Electrification in Rural Myanmar.

Check it out: www.econthatmatters.com/2025/12/how-...

#JMP #Econsky #ETRM

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3 months ago
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Do uncoordinated flood loss mitigation investments produce spillovers? Guest post by Molly Doruska

In today's JMP, Molly Doruska looks at how to protect firms in Dakar from flooding. Individual subsidies had negative spillovers on other firms as water diverted, but combining subsidies with community meeting reduced flood losses without negative spillovers blogs.worldbank.org/en/impacteva...?

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3 months ago
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Discretion and Capture: How Politics Shapes Pollution Enforcement in India. Guest post by Sanjana Ghosh

In today's JMP, @sanjanagh1.bsky.social looks at how changes in who is in power shapes regulatory discretion over pollution enforcement in the sugar industry. The same regulatory capacity leads to very different outcomes depending on who is in power.
blogs.worldbank.org/en/impacteva...?

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3 months ago
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Can Better Seeds Clear the Air? How India Can Fight Pollution Through Smarter Farming

Air pollution from crops burning is a huge problem in India. Today's JMP blog by Piyush Gandhi shows how subsidizing & training farmers to take-up a new early maturity seed has big benefits in reducing crop burning and pollution. blogs.worldbank.org/en/impacteva...?

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