| Avoiding the Fiscal Pitfalls of Subnational Regulationwith Laurent Corthay, 2011 |
| Urban Environmental Services in Developing Countries, with Richard Porter and Zhong Zhang, EPAT/MUCIA Working Paper No. 9, 1993, USAID |
| Surveying Businesses on Tax Compliance Costs, 2011 |
| Tax Perception and Compliance Cost Surveys, 2011 |
| Tax Compliance Cost Survey, 2010 |
| Tax compliance perceptions and formalization of small businesses in South Africa, World Bank Policy Research Working Paper No. 4992 (with Damogoj Ilic), 2009 |
| How big is a rat’s nest? The challenge of M&E for Business Operations, FIAS, 2009 |
| Small businesses in South Africa : who outsources tax compliance work and why? World Bank Policy Research Working Paper No. 4873 (with Damogoj Ilic and Gregory Kisunko), 2009 |
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South Africa - Tax Compliance Costs for Small Businesses - Provincial Analysis (with Damogoj Ilic and Gregory Kisunko), June 2008 |
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Understanding and Improving Data on Entrepreneurship and Active Companies (with Ronald Luttikhuizen and Kusisami Hornberger), June 2008 |
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Tax Compliance Burden in South Africa: A Survey of Tax Practitioners (with Sharon Smulders and Gregory Kisunko), 2007 |
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Improving the Business Environment in Latvia: The Impact of Fias Assistance (Fias Occasional Papers No. 18) (with Sanda Liepina and Lars Grava), 2007 |
| Survey of Land and Real Estate Transactions in the Russian Federation: Statistical Analysis of Selected Hypotheses (with Gregory Kisunko), Policy Research Working Paper No. 4115, 2007 |
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Reducing Administrative Barriers to Investment: Lessons Learned (with Scott Jacobs), FIAS Occasional Paper No. 17, 2006 |
| Reforming Inspections: Countering Corruption and Waste, Viewpoint Note no. 308, 2006 |
| A Manual for Identification and Removal of Administrative Barriers to Investment, FIAS manual, 2006, Module 1, Module 2, Module 3, Module 4 |
| Administrative Barriers to Investment in Latvia, with Lars Grava, in Doing Business with Latvia, edited by Marat Terterov, Kogan Page, 2003 |
| Administrative Barriers to Investment into the Russian Federation, in Doing Business with Russia, edited by Marat Terterov, Kogan Page, 2003 |
| Kleptocracy and Reform in African Regimes: Theory and Examples, with Susan Rose-Ackerman, in Corruption and Development in Africa, Lessons from Country Case Studies, edited by Kempe Ronald Hope, Sr. and Bornwell C. Chikulo, MacMillan Press, Ltd., 2000 |