Did the London congestion charge reduce pollution?

A comparative risk assessment of burden of disease and injury attributable to 67 risk factors and risk factor clusters in 21 regions, 1990–2010: a systematic analysis for the Global Burden of Disease Study 2010

Stephen S Lim, Theo Vos, Abraham D Flaxman et al. · The Lancet · 2012 · 12K citations · Full text

Public Health, Chronic Disease Control, Chronic Disease Prevention +17

How Much Should We Trust Differences-In-Differences Estimates?

Esther Duflo, Sendhil Mullainathan · The Quarterly Journal of Economics · 2004 · 10.6K citations · Full text

Public Health, Economics, Causal Inference +16

The Economic Costs of Conflict: A Case Study of the Basque Country

Alberto Abadie, Javier Gardeazábal · American Economic Review · 2003 · 4.5K citations

Social Sciences, Conflict Studies, Economics +14

A Practitioner’s Guide to Cluster-Robust Inference

A. Colin Cameron, Douglas L. Miller · The Journal of Human Resources · 2015 · 4.5K citations

Social Sciences, Economics, Causal Inference +15

Bootstrap-Based Improvements for Inference with Clustered Errors

A. Colin Cameron, Jonah B. Gelbach, Douglas L. Miller · The Review of Economics and Statistics · 2008 · 4K citations

Public Health, Biostatistics, Econometrics +16