Information and collective action in the community monitoring of schools. Field and lab experimental evidence from Uganda.
with Abigail Barr, Frederik Mungisha, Andrew Zeitlin, Working Paper 

Robustness and external validity: what do we learn from repeated study design over time?
with Andrew Dillon, Jed Friedman. Working paper

Workplace based health care for malaria: demand and impact on productivity and earnings. 
with Oladele Akogun, Andrew Dillon, Working Paper 

Malaria and productivity. Evidence from a firm based treatment programme.
with Oladele Akogun, Andrew Dillon, Jed Friedman, Working Paper 

Recruitment, effort and retention effect of performance contracts for civil servants. Experimental evidence from Rwandan primary schools.
American Economic Review, Vol 111. No 7, July 2021, with Clare Leaver, Owen Ozier, Andrew Zeitlin, available from arXiv ; previous versions appeared as RISE Working Paper 20/048,  IZA Discussion Paper 13696, Word Bank Policy Research Working Paper 9395, CEPR Discussion paper 15333.  See VoxDev, Selection and incentive effects of teacher performance contracts in Rwanda  

Health information, treatment, and worker productivity.
Journal of the European Economic Association, Vol 19, Issue 2, April 2021, with Andrew Dillon, Jed Friedman

The COVID-19 pandemic and maternal mental health in a fragile and conflict affected setting, a cohort study in Tumaco, Colombia.
Lancet Global Health, Volume 9, Issue 8, August 2021,  with Andres Moya, Alethea Desrosiers, Vilma Reyes, María José Torres.

Pay for locally monitored performance? A welfare analysis for teacher attendance in Uganda primary schools.
Journal of Public Economics, Vol 175, November 2018, p69-90. with Jacobus Cilliers, Ibrahim Kasirye, Clare Leaver, Andrew Zeitlin  

Institutions for health care delivery. A formal exploration of what matters to health workers. Evidence from Rwanda.
Human Resources for Health, 16 (7), 2017, with Tomas Lievens

Labor supply, absenteeism and occupational choice of health workers,
in Richard M. Scheffler, Christopher H. Herbst, Christophe Lemiere, and Jim Campbell, 2016, 'Health Labor Market Analysis in Low- and Middle-Income Countries', The World Bank and University of California Berkeley, with Tomas Lievens, Damas Butera.

Internal geographic imbalances of health workers,
Chapter 24 in Antony Culyer, 2014, Encyclopedia of Health Economics, Elsevier, 

Creating incentives to work, health worker study in Ghana,
The World Bank, 2012, with Tomas Lievens, Sabin Garbarino, Peter Quartey

The role of motivation for health service delivery,
in Agnes Soucat, Richard Scheffler, Teodros A. Gebreyesus, 2012, 'The Labor Market for Health Workers in Africa. A New Look at the Crisis', The World Bank and University of California Berkeley, with Kennet Leonard, Michelle Brock

Working for the public or private sector? Or for both?
in Agnes Soucat, Richard Scheffler, Teodros A. Gebreyesus, 2012, 'The Labor Market for Health Workers in Africa. A New Look at the Crisis', The World Bank and University of California Berkeley, with Tim Ensor, Tomas Lievens

Health worker performance,
in Agnes Soucat, Richard Scheffler, Teodros A. Gebreyesus, 2012, 'The Labor Market for Health Workers in Africa. A New Look at the Crisis', The World Bank and University of California Berkeley, with Kenneth Leonard, M. Masatu

Diversity in career preferences of future health workers in Rwanda: Where, why and for how much?
The World Bank, 2011, with Damas Butare, Tomas Lievens, Agnes Soucat

Intrinsic motivation and the nonprofit health sector,
Personality and Individual Differences, Vol 51, Issue 3, August 2011, Pages 309-314. with Danila Serra, Abigail Barr

Discovering the Real World. Health Workers’ Early Work Experience and Career Choice
The World Bank, 2010, with Danila Serra, Magnus Lindelow, Jose Garcia Montalvo 

Who wants to work in a rural post? The role of intrinsic motivation, rural background and faith based institutions in Rwanda and Ethiopia,
Bulletin of the World Health Organization, May 2010, 88, 342-349.  with Jose Garcia Montalvo, Gunilla Pettersson, Tomas Lievens, Damas Butera

Corruption in public service delivery: an experimental analysis,
Journal of Economic Behaviour and Organization, 72(1) 225-239, 2009, with Abigail Barr, Magnus Lindelow

For public service or for money: understanding geographical imbalances in the health workforce,
Health Policy and Planning, 22 (3), 128-138, 2007, with Jose Garcia Montalvo, Magnus Lindelow, Abigail Barr 

The performance of health workers in Ethiopia,
Social Science and Medicine, 62 (9), 2225-2235, 2006, with Magnus Lindelow