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South-South Refugee Movements: Do Pull Factors Play a Role? RSC Working Paper 2022/60, 2022 (mit M. Lanati).
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Aid for health, economic growth and the emigration of medical workers. EUI RSCAS Working Paper 2020/104, December 2020 (with M. Lanati).
International Student Flows from Developing Countries: Do Donors Have an Impact? EUI RSCAS Working Paper 2019/49 (with M. Lanati).
Foreign Assistance and Emigration: Accounting for the Role of Non-Transferred Aid. EUI Working Paper RSCAS 2019/18 (with M. Lanati). The nutrient-income elasticity in ultra-poor households: Evidence from Kenya. Kiel Working Paper 2114, October 2018 (with H. Jawara).
The Impact of Foreign Aid on Migration Revisited. MWP Working Paper 2017/05. European University Institute, Florence, April 2017 (with M. Lanati).
Social Capital and Large-Scale Agricultural Investments: An Experimental Investigation in Zambia. Kiel Working Paper 2056, November 2016 (with M. Khadjavi, K. Sipangule).
Brazil's Development Cooperation: Following in China's and India's Footsteps? Kiel Working Paper 2040, May 2016 (with F. Semrau).
Aid Fragmentation and Donor Coordination in Uganda: A District-level Analysis. Kiel Working Paper 2001, June 2015 (with P. Nunnenkamp, M. Rank).
Do Aid Donors Specialize and Coordinate within Recipient Countries? Kiel Working Paper 1991, March 2015 (with P. Nunnenkamp, A. Sotirova).
Rural Welfare Implications of Large-scale Land Acquisitions in Africa: A Theoretical Framework. Kiel Working Paper 1921, May 2014 (with L. Kleemann).
Corrupt Governments Receive Less Bilateral Aid: Governance and the Delivery of Foreign Aid through Non-Government Actors. Kiel Working Paper 1901, January 2014 (with M. Acht, T. Omar Mahmoud).
Gender Inequality, Female Leadership, and Aid Allocation: A Panel Analysis of Aid for Education. WIDER Working Paper 2014/010, Helsinki, January 2014 (with L. Kleemann, P. Nunnenkamp).
The Impact of the 2008 Hadramout Flash Flood on Economic Performance and Nutrition: A Simulation Analysis. Kiel Working Paper 1758, February 2012 (with C. Breisinger, O. Ecker, M. Wiebelt).
Informal-Formal Linkages and Informal Enterprise Performance in Urban West Africa. Kiel Working Paper 1751, January 2012 (with M. Böhme).
Donor Coordination and Specialization: Did the Paris Declaration Make a Difference. Kiel Working Paper 1748, December 2011 (with P. Nunnenkamp, H. Öhler).
Climate Change, Agricultural Production and Food Security: Evidence from Yemen. Kiel Working Paper 1747, November 2011 (with C. Breisinger, O. Ecker, P. Al-Riffai, R. Robertson, M. Wiebelt).
Financing for Development: The Gap between Words and Deeds since Monterrrey. Kiel Working Paper 1691, March 2011 (with P. Nunnenkamp).
Is the Informal Sector Constrained from the Demand Side: Evidence for Six West African Capitals. Kiel Working Paper 1683, February 2011 (with M. Böhme).
Are 'New' Donors Different? Comparing the Allocation of Bilateral Aid Between Non-DAC and DAC Donor Countries. Kiel Working Paper 1601, March 2010 (with A. Dreher, P. Nunnenkamp).
Aid Allocation by German NGOs: Does the Degree of Public Refinancing Matter? Kiel Working Paper 1584, January 2010 (w. A. Dreher, P. Nunnenkamp, S. Thiel).
Does AIDS-Related Mortality Reduce Per-Capita Income? Evidence from Rural Zambia. Kiel Working Paper 1530, July 2009 (with T. Omar Mahmoud).
Less Aid Proliferation and More Donor Coordination: The Wide Gap Between Words and Deeds. Kiel Working Paper 1516, April 2009 (with I. Aldasoro, P. Nunnenkamp)
The Impact of Aid on Bureaucratic Quality: Does the Mode of Delivery Matter? Kiel Working Paper 1494, March 2009 (with P. Selaya)
Sind Nichtregierungsorganisationen die besseren Entwicklungshelfer? Kiel Workung Paper 1484, February 2009 (with P. Nunnenkamp). Aid and Sectoral Labor Productivity. Kiel Working Paper 1468, November 2008 (with P. Selaya).
Keeping a Low Profile: What Determines the Allocation of Aid by Non-Governmental Organizations? Kiel Working Paper 1406, March 2008 (with D.J. Koch, A. Dreher, P. Nunnenkamp).
Do Donors Target Aid in Line With the Millennium Development Goals? A Sector Perspective of Aid Allocation. WIDER Discussion Paper No. 2007/04, October 2007 (with A. Dreher, P. Nunnenkamp).
The Impact of Commodity Price Changes on Rural Households: The Case of Coffee in Uganda. World Bank Policy Research Working Paper 4088, December 2006 (with M. Bussolo, O. Godart, J. Lay).
Does Aid for Education Educate Children? Evidence from Panel Data. Kiel Working Paper 1290, August 2006 (with A. Dreher, P. Nunnenkamp).
Resource Booms, Inequality and Poverty: The Case of Bolivia. Kiel Working Paper 1287, July 2006 (with J. Lay, M. Wiebelt).
Does US Aid Buy UN Voting Behaviour? A Disaggregated Analysis. Kiel Working Paper 1275, April 2006 (with A. Dreher, P. Nunnenkamp).
Sectoral Aid Priorities: Are Donors Really Doing their Best to Achieve the Millennium Development Goals? Kiel Working Paper 1266, January 2006 (with A. Dreher, P. Nunnenkamp).
Grants Versus Loans: Much Ado About (Almost) Nothing. Institute for World Economics, Kiel Economic Policy Papers 4, November 2005 (with P. Nunnenkamp, T. Wilfer).
Macroeconomic and Distributional Effects of Devaluation in a Dollarized Economy: A CGE Analysis for Bolivia. IAI Discussion Paper 120, University of Göttingen, October 2005) (with R. Schweickert, M. Wiebelt).
Assessing the Allocation of Aid: Developmental Concerns and the Self-Interest of Donors. Kiel Working Paper 1253, July 2005 (with G. Canavire, P. Nunnenkamp, L. Triveño).
Exchange Rate Policy in a Dollarized Economy. A CGE Analysis for Bolivia. Kiel Working Paper 1255, June 2005 (with R. Schweickert, M. Wiebelt).
Pro-Poor Growth in Bolivia: Accounting for External Shocks and Policy Reforms. Kiel Working Paper 1231, November 2004 (with J. Lay, M. Wiebelt).
From Washington to Post-Washington? – Consensus Policies and Divergent Developments in Latin America and Asia. Institute for World Economics, Kiel Discussion Paper 408, Kiel 2004 (with R. Schweickert).
Operationalizing Pro-Poor Growth: Country Case Study Bolivia.IAI Discussion Paper 101, University of Göttingen, September 2004 (with S. Klasen, M. Grosse, J. Lay, J. Spatz, M. Wiebelt).
Makroökonomische Stabilisierung und Wirtschaftswachstum in Lateinamerika: Was bringt die Debatte über den Washington-Konsens? Institute for World Economics, Kiel Working Papers 1202, Kiel 2004 (with R. Schweickert).
Strategien zur Bekämpfung der weltweiten Armut: Irrwege, Umwege und Auswege. Institute for World Economics, Kiel Discussion Paper 407, Kiel 2004 (with P. Nunnenkamp).
Attacking Poverty in Bolivia – Past Evidence and Future Prospects: Lessons from a CGE Analysis. Instituto de Investigaciones Socioeconómicas, Documento de Trabajo 06/03. La Paz 2003 (with M. Wiebelt).
Makroökonomische Reformen und Armutsbekämpfung in Bolivien: Ebnet die HIPC-Initiative den Weg zu sozialverträglicher Anpassung? Kiel Discussion Paper 398, Kiel 2003 (with R. Scheickert, M. Wiebelt).
Price Incentives, Non-Price Factors, and Agricultural Production in Sub-Saharan Africa: A Cointegration Analysis. Kiel Working Paper 1123, July 2002.
The Bias Against Agriculture in Sub-Saharan Africa: Has it Survived 20 Years of Structural Adjustment Programs? Kiel Working Paper 1102, April 2002.
Constructing a Social Accounting Matrix with a Distributional Focus: The Case of Bolivia. Kiel Working Paper 1094, January 2002 (with D. Piazolo). The Social Impact of Structural Adjustment in Bolivia. Kiel Working Paper 1056, July 2001.
Estimating the Aggregate Agicultural Supply Response: A Survey of Techniques and Results for Developing Countries. Kiel Working Paper 1016, December 2000.
East Timor's Transition to Independence: Building Up an Economy from Scratch. Kiel Discussion Papers 368, October 2000.
Sind die Anpassungsprogramme von IWF und Weltbank gescheitert? Eine Bestandsaufnahme der Erfahrungen von zwei Jahrzehnten. Kiel Discussion Papers 357, February 2000 (with M. Wiebelt).
A Framework for Environmental Policy Evaluation in the South African Mining Sector. Kiel Working Paper 893, September 1998. Social Policy in Economic Development: The Case of Health and Old Age Insurance. Kiel Working Paper 811, June 1997.
Tropenwaldmanagement: Ein Balanceakt zwischen Schutz und Raubbau. Kiel Discussion Paper 282, October 1996.
Public Policies and Deforestation in Indonesia. Kiel Working Paper 605, October 1993. Empirische Allgemeine Gleichgewichtsmodelle – Struktur und Anwendungsmöglichkeiten. Kiel Working Paper 595, August 1993 (with G. Klepper, O. Lorz, F. Stähler, M. Wiebelt).
National and International Policies for Tropical Rainforest Conservation: A Quantitative Analysis for Cameroon. Kiel Working Paper 570, April 1993 (with M. Wiebelt).
Modelling Deforestation in a Computable General Equilibrium Model. Kiel Working Paper 555, February 1993 (with M. Wiebelt).
Peruvian Agriculture: Recent History, Present Performance and the Effects of Agricultural and General Economic Policies. Kiel Working Paper 474, March 1991.
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Structure and Determinants of Price Protection in the Rice Sector. Kiel Working Paper 448, December 1990.
The Cumulative Effect of EU Due Diligence Legislation on SMEs. Study commissioned by European Parliament, September 2023 (with A. Hanley, F.O. Semrau, F. Steglich).
Effects of the AfCFTA for German and European Companies. Kiel Institute Study supported by GIZ, October 2022 (with J. Hinz, S. Chowdhry, A. Jacobs).
Afrika-Atlas für die bayerische Wirtschaft - Clusteranalyse des afrikanischen Kontinents. Study commissioned by IHK Munich, November 2019 (with D. Bencek, G. Felbermayr).
Wachstumsmärkte in Afrika für die bayerische Wirtschaft. Study commissioned by IHK Munich, June 2019 (with G. Felbermayr, C. Schneiderheinze).
African Economic Development: What Role can the G20 Compact Play? DIE Discussion Paper 3/2018, January 2018 (with M. Köster, I. Okoli, F. Rühmann). Assessment of G20 Sustainability Commitments. Report commissioned by German Development Institute and BMZ, March 2017 (with D. Görlich, I. Masforroll).
Wirtschaftliche Entwicklungschancen in Afrika. Report commissioned by BMZ, December 2015 (with M. Wiebelt).
Climate Change and Floods in Yemen: Impacts on Food Security and Options for Adaptation. IFPRI Discussion Paper 1139, December 2011 (with C. Breisinger, O. Ecker, P. Al-Riffai, R. Robertson, M. Wiebelt).
HIV/AIDS and Pro-Poor Growth in Sub-Saharan Africa. Report commissioned by BMZ, February 2008 (with T. Omar Mahmoud).
Was funktioniert und was nicht? "Impact Evaluation" (Wirkungsbeobachtung) von Entwicklungsprojekten. Report commissioned by GTZ, December 2007 (with J. Lay, T. Omar Mahmoud).
Operationalizing Pro-Poor Growth: A Country Case Study for Bolivia. Report commissioned by Kreditanstalt für Wiederaufbau and the World Bank, October 2004 (with S. Klasen, M. Grosse, J. Lay, J. Spatz, M. Wiebelt).
Armutsauswirkungen von makroökonomischen Strukturreformen: Wissenschaftliche Begleitung von Stabilisierungs- und Strukturanpassungsprogrammen am Beispiel Boliviens. Report commissioned by Kreditanstalt für Wiederaufbau, 2003 (with R. Schweickert, M. Wiebelt).
Entwicklungsverträglichkeit der Strukturanpassungspolitik in Entwicklungsländern. Report commissioned by Kreditanstalt für Wiederaufbau, 1999 (with M. Wiebelt).