Applying for a PhD
Every year a lot of prospective students ask me about how applications to Columbia work. This page describes the kinds
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Integrated Inferences
Alan Jacobs and I have been working on figuring out principles for simultaneously drawing inferences from qualitative and quantitative data.
Read moreHonors Thesis Seminar 2015-16
Syllabus
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Research integrity
I have been thinking a lot about the problem of publication bias and analysis bias in empirical research. Even
Read moreHow to write
[Intended primarily for students writing their senior theses.] Sections Your Front Matters In your Front Matter: Include an abstract, table
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Here is an approach. Skim. First skim over the reading to get a sense of the themes it covers. In
Read moreWhat Has Been Learned from the Deworming Replications: A Nonpartisan View
A heated discussion on the value of mass deworming campaigns followed the release by a team of epidemiologists (Aiken et
Read moreMore on Worms
1 August 2015. It’s been a disturbing thing watching the spat this week between economists and epidemiologists over the Miguel-Kremer
Read moreHow to critique
Here are some pointers on the things to look for when discussing or reviewing a paper. Discussants Generally discussants have
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Resources on causal inference
Pedagogical material Lectures / Short Course Of causes and postulates: Slides for Berlin Summer School 2018 Ten strategies for
Read moreOn the Ethics of Field Experimentation
2 November 2014. Social science researchers are increasingly using field experimental methods to try to answer all kinds of questions
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Flattening Political Access
There is unequal access to political power everywhere. One striking regularity is that in many areas women and poorer voters
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Violence Against Women
Sarah Kahn, Summer Lindsey and I are working with SDD direct and city governments in Madhya Pradesh to examine strategies
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Post Conflict Development
Raul Sanchez de la Sierra, Peter van der Windt and I implemented a large field experiment in East Congo to
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Housing Discrimination in NYC
In a project with Al Fang and Andy Guess, we worked with the New York Commission on Human Rights to
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Political Communication
A lot of the work of politics often seems to be about persuading people of your position. But in practice
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Post Conflict Community Cohesion in Liberia
Published August 2015: How Does Development Assistance Affect Collective Action Capacity? Results from a Field Experiment in Post-Conflict Liberia (Gated
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Coethnicity
One of the first field experimental projects I worked on (around 2005) sought to figure out why ethnic heterogeneity is so
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Natural Resources
There is a good bit of evidence that countries often do not benefit as much as you might expect from
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