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David McKenzie

@dmckenzie.bsky.social
5.5K followers 305 following 389 posts

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

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David McKenzie @dmckenzie.bsky.social · 22/09/2026
Recently out in World Development, my paper on where & how the World Bank spends and lends money on international migration (www.sciencedirect.com/science/arti...). Today's blog summarizes some takeaways, & asks also where you can spend your charity dollars (blogs.worldbank.org/en/impacteva...)
sciencedirect.com
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David McKenzie @dmckenzie.bsky.social · 18/09/2026
Weekly links include providing education at scale in emergency settings, the rise of services, how the quest for a son affects girls in India, why is structural transformation out of agriculture so slow, and more... blogs.worldbank.org/en/impacteva...
blogs.worldbank.org
Weekly links September 18: gender inequality in India, sleep, jobs, farms, and more…
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David McKenzie @dmckenzie.bsky.social · 11/09/2026
Some great links this week: the most interesting one to me is work on "innovation bursts" in French firms, which shows how rapid firm growth and innovation are very sporadic - which aligns with work on "high-growth" firms in developing countries blogs.worldbank.org/en/impacteva...
blogs.worldbank.org
Weekly links September 11: the fragility of high growth firms, women’s work and families, how many papers use AI now to write, and more…
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David McKenzie @dmckenzie.bsky.social · 08/09/2026
In today's blog, @jacobuscilliers.bsky.social has a guest post on how to properly test for attrition in RCTs, and issues to consider when you have strata, clustered trials, and potentially many baseline variables to test balance over blogs.worldbank.org/en/impacteva...
blogs.worldbank.org
You are not testing for attrition correctly: Guest post by Jacobus Cilliers
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David McKenzie @dmckenzie.bsky.social · 04/09/2026
Weekly links are back with calls for many conferences, @bijurao.bsky.social on why economists need to listen to those they study more, of course more discussion on AI's effects as well as on how to design better RCTs with AI, am I replaceable?, and more... blogs.worldbank.org/en/impacteva...
blogs.worldbank.org
Weekly links September 4: listening, how to not make your AI RCT useless, many conference calls, and more…
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David McKenzie @dmckenzie.bsky.social · 31/07/2026
In this week's links, a journal analyzes how many of its submissions and referee reports are AI produced, how the same basic study can get framed differently to appeal more broadly, what's new in econometrics that you can use, and more... blogs.worldbank.org/en/impacteva...
blogs.worldbank.org
Weekly links July 31: AI use in journal submissions and refereeing, what makes a top paper, lessons from the world, and more…
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David McKenzie @dmckenzie.bsky.social · 28/07/2026
In today's blog, I summarize a new working paper I have that looks at whether it is better to give 36K prizes or 9K prizes in a business plan competition - and how you should select the winners. 1/3 blogs.worldbank.org/en/impacteva...
blogs.worldbank.org
Creating Jobs Through a Business Plan Competition: Does it matter how entrepreneurs are selected and how much funding they are given?
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David McKenzie @dmckenzie.bsky.social · 23/07/2026
The weekly links are up a day early: a 12-step checklist for non-experimental causal inference, the challenges and lessons of innovation RCTs, a big new funding source for AI and jobs experiments, and more... blogs.worldbank.org/en/impacteva...
blogs.worldbank.org
Weekly links July 23: a causal inference checklist, lessons from innovation RCTs, long-term impacts are hard to measure, and more…
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David McKenzie @dmckenzie.bsky.social · 17/07/2026
The weekly links include African soccer & brain drain; the challenge of taking on big picture challenges after pregnancy; how the public sector affects private sector hiring, and more.... blogs.worldbank.org/en/impacteva...
blogs.worldbank.org
Weekly links July 17: African soccer migrants, the public-sector’s impacts on private hiring, rural markets from space, and more…
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David McKenzie @dmckenzie.bsky.social · 10/07/2026
Today's weekly links include the overrated macro vs micro debate on approaches to poverty reduction, two x Tuvalu, financial education in schools actually has impacts 9 years later, and more... blogs.worldbank.org/en/impacteva...
blogs.worldbank.org
Weekly links July 10: micro vs macro approaches to poverty reduction, migration and development in a small country, financial education years later, and more…
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The Review of Economic Studies (REStud) @reveconstudies.bsky.social · 01/07/2026
🚨🚨 NEW ECONOMICS JOURNAL 🚨🚨 We are excited to announce the launch of The Review of Economic Studies: Insights, a new open-access journal in the REStud family. Mission: publish concise, high-quality research on important questions across economics and economic policy.🧵1/13
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Cyrus Samii @cdsamii.bsky.social · 30/06/2026
Excellent post. The “reflective” vs “formative” distinction is one I’ve tried to make in the past but not nearly as eloquently. And the fact that Anderson’s ICW index can dampen power by upweighting noise is an important problem that should be better understood.
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David McKenzie @dmckenzie.bsky.social · 30/06/2026
In today's blog, @brucewydick.bsky.social discusses what factors you should consider when aggregating variables into an index - and how to use indices to measure abstract concepts like aspirations, empowerment, and social cohesion blogs.worldbank.org/en/impacteva...
blogs.worldbank.org
Measuring What Matters: Some Guidelines for Index Creation - Guest Post by Bruce Wydick
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David McKenzie @dmckenzie.bsky.social · 17/06/2026
In today's blog, @mariaruthjones.bsky.social & Maria Reyes Retana Torre summarize the numbers and lessons behind reaching 500 packages in the World Bank's reproducible research repository. 1/3 blogs.worldbank.org/en/impacteva...
blogs.worldbank.org
A Milestone for Open Science: 500 Packages in the World Bank’s Reproducible Research Repository
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David McKenzie @dmckenzie.bsky.social · 15/06/2026
In today's blog, I read through all of @johnlist.bsky.social's new mammoth textbook on experimental economics. I highlight the parts I think will be particularly useful to development economists, including great chapters on ethics, DUAs, ... 1/2 blogs.worldbank.org/en/impacteva...
blogs.worldbank.org
I just read all 700+ pages of John List’s Experimental Economics Textbook, Should You?
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David McKenzie @dmckenzie.bsky.social · 10/06/2026
As a nice follow-up on Monday's post on development journals, today we have a guest post by @leightjessica.bsky.social on what development papers top journals publish: what share are RCTs? What topics are covered most? Which countries? Read on: blogs.worldbank.org/en/impacteva...
blogs.worldbank.org
What does the development economics literature study the most? Guest post by Jessica Leight
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David McKenzie @dmckenzie.bsky.social · 08/06/2026
Today I have put up my 10th annual look at development journals, which works with journal editors to put together statistics on submission numbers, acceptance rates, review times, and more. This is the post that takes me the most time to do each year blogs.worldbank.org/en/impacteva...
blogs.worldbank.org
The State of Development Journals 2026: More than 16,000 submissions, over 1,000 published papers, and more details.
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David McKenzie @dmckenzie.bsky.social · 05/06/2026
This week's links include another example of why S.D.s are terrible units for comparing effect sizes, a discussion on Rwanda's development story, how to aggregate noisy evidence, do you think interventions are complements? and more... blogs.worldbank.org/en/impacteva...
blogs.worldbank.org
Weekly links June 5: aggregating noisy evidence, standard deviations are a terrible way of comparing effect sizes redux, services-led development, and more…
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David McKenzie @dmckenzie.bsky.social · 01/06/2026
What happens when we take an elegant theory model too literally, are cows really the answer to poverty, the dangers of heterogeneity w.r.t. a baseline X, and more - I discuss the new @deankarlan.bsky.social & co-authors revisiting of a seminal poverty trap paper blogs.worldbank.org/en/impacteva...
blogs.worldbank.org
The dangers of taking theory too literally, of log(x/a+1) transforms, and place versus cows in determining poverty dynamics
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David McKenzie @dmckenzie.bsky.social · 29/05/2026
This week's links include women's labor force participation is up in Turkey, but still very limited in Pakistan; Planet Money covers Brazil's Zona Franca in Manaus; how to think about research transparency in the AI era, and more... blogs.worldbank.org/en/impacteva...
blogs.worldbank.org
Weekly links May 29: labor force participation, the Zona Franca in Manaus, research transparency in the AI era, and more…
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David McKenzie @dmckenzie.bsky.social · 22/05/2026
This week's links include several thoughts on the jobs challenge (public works? services? entrepreneurship?), whether agency interventions are that impressive for poverty, and more... blogs.worldbank.org/en/impacteva...
blogs.worldbank.org
Weekly links May 22: photographing impact, public works aren’t job creation, what is the jobs challenge, agency and poverty, and more…
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David McKenzie @dmckenzie.bsky.social · 20/05/2026
Nice blog post today by @sanukriti.bsky.social on the different types of gender norms and interventions for changing them blogs.worldbank.org/en/impacteva...?
blogs.worldbank.org
What's up with gender norms?
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David McKenzie @dmckenzie.bsky.social · 18/05/2026
What happened when we had almost 30,000 high school students watch both STEM & entrepreneur role models? Our new paper in @nathumbehav.nature.com finds rather than increasing enrollment in both fields, STEM majors fall as girls increase business, boys other majors blogs.worldbank.org/en/impacteva...
blogs.worldbank.org
What happened when we showed almost 30,000 youth more than one type of role model?
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David McKenzie @dmckenzie.bsky.social · 01/05/2026
This week's links include a (partial) argument for being an entrepreneur rather than working in aid, how might AI affect countries in which knowledge workers are scarce, using Bayesian stats for policy decisions, and more.... blogs.worldbank.org/en/impacteva...
blogs.worldbank.org
Weekly links May 1: AI impacts when knowledge workers are scarce, using Bayesian stats for policy, should you be an entrepreneur instead of an aid worker, and more?
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NOVAFRICA @novafrica.bsky.social · 29/04/2026
Proud to announce the participation of @dmckenzie.bsky.social #WorldBank in the #NOVAFRICA2026 Conference Policy Roundtable on "Job Creation in Africa" @novafrica.bsky.social Conference #NovaSBE 📅 June 18–19 - Lisbon, Portugal More info about the conference here: tinyurl.com/uzc7dyc8
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David McKenzie @dmckenzie.bsky.social · 23/04/2026
Friday travel for me means early links: why big firms matter, what we'd like to know on the poor & AI, new work in trade, should SME finance use partial or full risk guarantees, and more... blogs.worldbank.org/en/impacteva...
blogs.worldbank.org
Weekly links April 23: The social value of big firms, how do the poor use AI, new trade research, and more…
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David McKenzie @dmckenzie.bsky.social · 20/04/2026
We gave SMEs in Colombia group consulting & now follow-up on impacts 8-10 years later. Impacts are large & persistent: a $10K intervention increased long-term profits $382K. I discuss broader lessons around the feasibility & incentives for long-term follow-ups blogs.worldbank.org/en/impacteva...
blogs.worldbank.org
The large and sustained impacts of Group Consulting on firm performance and jobs
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David McKenzie @dmckenzie.bsky.social · 17/04/2026
This week's links include what development economics has been working on lately and what it understudies, Paul Niehaus on Give Directly's history and on learning about what matters from recipient choices, unlocking migration's potential through policy lending +... blogs.worldbank.org/en/impacteva...
blogs.worldbank.org
Weekly links April 17: the missing development economics, unlocking migration’s potentials and getting refugees into jobs faster, writing well in the age of AI, and more…
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Lauren Gilbert @lgilbert.co · 17/04/2026
We've launched In Development! It is aiming to be the New Yorker for global development. We want to promote discourse on development without dogma - stories doing deep-dives into pressing development issues, backed up by evidence, argument, and experience. Subscribe here: indevelopmentmag.com
indevelopmentmag.com
In Development
evidence and argument for a developing world
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LISER - Luxembourg Institute of Socio-Economic Research @liser.lu · 14/04/2026
📢 The LISER Policy Lab team is pleased to share a 🆕 Policy Brief by @dmckenzie.bsky.social "Enhancing the benefits of international #migration through development financing: What is being done and where are the missed opportunities?" 🔗 Read more: www.liser.lu/news/Policy-... #DevelopmentFinancing
liser.lu
Unlocking migration’s potential through better development financing
Despite solid evidence, development financing largely overlooks economic migration, missing major opportunities for growth, skills, and shared benefits.
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David McKenzie @dmckenzie.bsky.social · 08/04/2026
In today's blog, how should you do coding tests for RA in a world where AI can code pretty well? Our DIME Analytics team share their experience and thoughts blogs.worldbank.org/en/impacteva...
blogs.worldbank.org
Rethinking coding assessment in an AI-assisted world
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David McKenzie @dmckenzie.bsky.social · 06/04/2026
In today's blog, I discuss recent research done by accounting professors in developing countries and how it can be useful for economics and policy -development accounting, but not the macro kind - and also laugh at how they face similar seminar questions to us blogs.worldbank.org/en/impacteva...
blogs.worldbank.org
Development Accounting, but the kind done by Accountants not Macroeconomists
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David McKenzie @dmckenzie.bsky.social · 03/04/2026
This week's links include interesting reflections by Rebecca Thornton on research ethics, Lant on poverty lines, the high share of formal workers that are in the public sector, can Claude replace a @daveevansphd.bsky.social conference round-up & more... blogs.worldbank.org/en/impacteva...
blogs.worldbank.org
Weekly links April 3: research ethics, replication, public sector workers, graduation programs as Tang, and more…
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David McKenzie @dmckenzie.bsky.social · 01/04/2026
In today's blog, @sanukriti.bsky.social provides a great explanation for why the child penalty is low in many developing countries yet gender inequality high in wages - because the action happens earlier at marriage blogs.worldbank.org/en/impacteva...?
blogs.worldbank.org
From marriage penalties to child penalties: how development reshapes women’s work
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David McKenzie @dmckenzie.bsky.social · 20/03/2026
This week's links include new guidance on industrial policy and a great Taiwan example, the South African jobs problem, how economists should and are using AI, and more... blogs.worldbank.org/en/impacteva...
blogs.worldbank.org
Weekly links March 20: social protection, small answers to jobs, chips and human capital, industrial policy, and more…
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Centre for Economic Policy Research @cepr.org · 16/03/2026
📆 17 March @ 16:00 CET/11:00 EDT The Spring 2026 VDEV/CEPR/BREAD seminars continue with @dmckenzie.bsky.social (World Bank) presenting "Who, and How Much? Experiments in Selection and Grant Size in a Kenyan Business Plan Competition" Moderator: Suanna Oh @pse.bsky.social ow.ly/X9nu50YnYqZ #EconSky
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Georgetown Center for Economic Research @gcer-gu.bsky.social · 16/03/2026
Big news from Georgetown Economics! 🎉 @dmckenzie.bsky.social has accepted the offer to join us as the new Edmond D. Villani Chair Professor of Economics! Dr. McKenzie comes to Georgetown from the World Bank, where he served as Lead Economist. We can't wait to welcome him to the Hilltop!
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David McKenzie @dmckenzie.bsky.social · 11/03/2026
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...
blogs.worldbank.org
Six Questions with Monica Lambon-Quayefio
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David McKenzie @dmckenzie.bsky.social · 06/03/2026
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...
blogs.worldbank.org
Weekly links March 6: mark-up measurement issues, the origins of inflation targeting, overregulation in Indonesia, solar subsidies, and more…
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David McKenzie @dmckenzie.bsky.social · 27/02/2026
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...
blogs.worldbank.org
Weekly links February 27: Migrating TVET, lending to small firms, quality coffee, and more…
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David McKenzie @dmckenzie.bsky.social · 20/02/2026
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...
blogs.worldbank.org
Weekly links February 20: is that event study valid? Industrial development, nation building, local research, and more…
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Reposted by David McKenzie
NOVAFRICA @novafrica.bsky.social · 17/02/2026
📢 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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David McKenzie @dmckenzie.bsky.social · 13/02/2026
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...
blogs.worldbank.org
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…
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David McKenzie @dmckenzie.bsky.social · 09/02/2026
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...
blogs.worldbank.org
Sector-targeted Skills Development as Industrial Policy
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David McKenzie @dmckenzie.bsky.social · 06/02/2026
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...
blogs.worldbank.org
Weekly links February 6, 2026: overcoming beliefs about promoting women, limited impacts of electrification, falling fertility, and more…
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David McKenzie @dmckenzie.bsky.social · 30/01/2026
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...
blogs.worldbank.org
Weekly links January 30: growth ideas, finding meaningful research questions, micro vs macro evidence on AI and productivity, and more…
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David McKenzie @dmckenzie.bsky.social · 28/01/2026
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...
blogs.worldbank.org
Lee Bounds in Practice, Part 2
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David McKenzie @dmckenzie.bsky.social · 23/01/2026
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...
blogs.worldbank.org
Weekly links January 23: communication as a key research tool, Indian firms vs Chinese competition, doing TA well, and more…
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David McKenzie @dmckenzie.bsky.social · 16/01/2026
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...
blogs.worldbank.org
Weekly links January 16. 2026: sports betting economics, small firms and volatility, macro credibility? And more…
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Dean Yang @deanyang.bsky.social · 14/01/2026
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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