Dr. Yabibal Walle
Department
Transformation of Economic and Social Systems
Function
Senior Researcher
Specialization
Economics
Work areas
- Financial sector development and economic growth
- Institutions and economic growth
- Financial literacy
- Social cohesion
- Climate change vulnerability
- Migration
- Corruption
- Panel unit root tests
Vita
| since 06/2021 | German Institute of Development and Sustainability (IDOS) (until 6/2022 German Development Institute / Deutsches Institut für Entwicklungspolitik (DIE)) Senior Researcher, Research Department "Transformation of Economic and Social Systems" |
| 04/2013-05/2021 | Chair of Econometrics, University of Göttingen Postdoctoral researcher |
| 10/2009-03/2013 | Institute of Statistics and Econometrics, University of Kiel PhD Candidate |
| 11/2007-06/2009 | Department of Economics, Addis Ababa University Lecturer |
Refereed Publications
- Struthmann, Philipp / Yabibal M. Walle / Helmut Herwartz (2024)
Corruption control, financial development, and growth volatility: cross-country evidence
in: Journal of Money, Credit and Banking 56 (7), 1833-1860 - Haschka, Rouven E. / Helmut Herwartz / Clara Silva Coelho / Yabibal M. Walle (2023)
The impact of local financial development and corruption control on firm efficiency in Vietnam: evidence from a geoadditive stochastic frontier analysis
in: Journal of Productivity Analysis 60, 203-226 - Melesse, Mequanint B. / Amos Nyangira Tirra / Yabibal M. Walle / Michael Hauser (2023)
Understanding the determinants of aspirations in rural Tanzania: does financial literacy matter?
in: The European Journal of Development Research 35, 1294-1321 - Walle, Yabibal M. (2023)
Social cohesion and firms’ access to finance in Africa
in: Social Indicators Research 167, 27-46 - Herwartz, Helmut / Simone Maxand / Yabibal M. Walle (2022)
Forward detrending for heteroskedasticity-robust panel unit root testing
in: Econometric Reviews 42 (1), 28-53 - Tran, Viet T. / Yabibal M. Walle / Helmut Herwartz / Trung Thanh Nguyen (2022)
Local financial development and the growth of small firms in Vietnam
in: Journal of the Asia Pacific Economy 29 (3), 1564-1598 - Haschka, Rouven E. / Helmut Herwartz / Philipp Struthmann / Viet Tuan Tran / Yabibal M. Walle (2021)
The joint effects of financial development and the business environment on firm growth: evidence from Vietnam
in: Journal of Comparative Economics, first published 17.12.2021 - Rink, Ute / Yabibal M. Walle / Stephan Klasen (2021)
The financial literacy gender gap and the role of culture
in: The Quarterly Review of Economics and Finance 80, 117-134 - Yitagesu Zewdu Zergawu / Yabibal M. Walle / José-Manuel Giménez-Gómez (2020)
The joint impact of infrastructure and institutions on economic growth
in: Journal of Institutional Economics 16 (4), 481-502 - Tran, Viet T. / Yabibal M. Walle / Helmut Herwartz (2020)
The impact of local financial development on firm growth in Vietnam: does the level of corruption matter?
in: European Journal of Political Economy 62, article 101858 - Herwartz, Helmut / Yabibal M. Walle (2020)
Do rising top incomes spur economic growth? Evidence from OECD countries based on a novel identification strategy
in: Review of Income and Wealth 66 (1), 126-160 - Makina, Daniel / Yabibal M. Walle (2019)
Financial inclusion and economic growth: evidence from a panel of selected African countries
in: Daniel Makina (ed.), Extending financial inclusion in Africa, London: Academic Press, 193-210 - Giménez-Gómez, José-Manuel / Yabibal M. Walle / Yitagesu Zewdu Zergawu (2019)
Trends in African migration to Europe: drivers beyond economic motivations
in: Journal of Conflict Resolution 63 (8), 1797-1831 - Herwartz, Helmut / Simone Maxand / Yabibal M. Walle (2019)
Heteroskedasticity-Robust Unit Root Testing for Trending Panels
in: Journal of Time Series Analysis 40 (5), 629-866 - Tran, Viet T. / Yabibal M. Walle / Helmut Herwartz (2018)
Local financial development and household welfare in Vietnam: evidence from a panel survey
in: Journal of Development Studies 54 (4) 619-640 - Herwartz, Helmut / Yabibal M. Walle (2018)
A powerful wild bootstrap diagnosis of panel unit roots under linear trends and time-varying volatility
in: Computational Statistics 33, 379-411 - Herwartz, Helmut / Simone Maxand / Fabian H. C. Raters / Yabibal M. Walle (2018)
Panel Unit-root Tests for Heteroskedastic Panels
in: The Stata Journal 18 (1), 184-196 - Herwartz, Helmut / Florian Siedenburg / Yabibal M. Walle (2016)
Heteroskedasticity robust panel unit root testing under variance breaks in pooled regressions
in: Econometric Reviews 35 (5), 727-750 - Walle, Yabibal M. (2014)
Revisiting the finance–growth nexus in Sub-Saharan Africa: results from error correction-based panel cointegration tests
in: African Development Review 26 (2), 310-321 - Herwartz, Helmut / Yabibal M. Walle (2014)
Determinants of the link between financial and economic development: evidence from a functional coefficient model
in: Economic Modelling 37, 417-427 - Herwartz, Helmut / Yabibal M. Walle (2014)
Openness and the finance-growth nexus
in: Journal of Banking & Finance 48, 235-247
Non-refereed Publications
- Berensmann, Kathrin / Yabibal M. Walle (2025)
Die 4. Internationale Konferenz zur Entwicklungsfinanzierung: Ein Überblick über die wichtigsten Kontroversen und Ergebnisse.
in: Welternährung - Das Fachjournal der Welthungerhilfe 6/2025 - Berensmann, Kathrin / Yabibal M. Walle (2025)
The Fourth International Conference on Financing for Development: A review of key disagreements and outcomes
in: Welternährung - das Fachjournal der Welthungerhilfe 6/2025 - Walle, Yabibal (2025)
Reform of the multilateral development banks: how FfD4 can support it
in: Stephan Klingebiel / Jorge A. Pérez-Pineda / Kathrin Berensmann, Financing for development: From Monterrey to Seville, Bonn: German Institute of Development and Sustainability (IDOS), 79-83 - Walle, Yabibal (2025)
Glossar: Entwicklungsfinanzierung
in: E+Z (2025/3), 50-52 - Walle, Yabibal (2025)
Key terms in development finance - a glossary
3/2025) - Berensmann, Kathrin / Clara Brandi / Yabibal Walle (2025)
Financing for development: new opportunities?
in: IDOS Jahresbericht - Annual Report 2023-2025, Bonn: German Institute of Development and Sustainability (IDOS), 28-32 - Berensmann, Kathrin / Clara Brandi / Yabibal Walle (2025)
Entwicklungsfinanzierung: neue Chancen?
in: IDOS Jahresbericht - Annual Report 2023-2025, Bonn: German Institute of Development and Sustainability (IDOS), 28-32 - Barchiche, Damien / Karim Karaki / Ben Katoka / Iliana Olivié / María Santillán O’Shea / Kathrin Berensmann / San Bilal / Daniele Fatibene / Niels Keijzer / Yabibal Walle (2024)
Aligning climate action and development finance: The role of FfD4
Brussels: European Think Tanks Group (ETTG) - Berensmann, Kathrin / Yabibal Walle / Elise Dufief / Paulo Esteves / Rob Floyd / Yu Ye (2024)
Channelling special drawing rights to multilateral development banks: overcoming remaining legal and political obstacles
(Policy Brief 30/2024) - Berensmann, Kathrin / Benedikt Erforth / Niels Keijzer / Yabibal Walle (2024)
EU development banking: options to strengthen coherence, effectiveness and flexibility
in: Christine Hackenesch / Niels Keijzer / Svea Koch (eds.), The European Union’s global role in a changing world: challenges and opportunities for the new leadership, Bonn: German Institute of Development and Sustainability (IDOS), 18-23 - Berensmann, Kathrin / Yabibal M. Walle / Christoph Sommer / Sabine Laudage Teles (2024)
Wie die Entwicklungsfinanzierung reformiert werden kann
published on dandc.eu/de, 16.02.2025 - Berensmann, Kathrin / Yabibal M. Walle / Christoph Sommer / Sabine Laudage Teles (2024)
Reforming development finance
published on www.dandc.eu, 16.02.2024 - Berensmann, Kathrin / Sabine Laudage Teles / Christoph Sommer / Yabibal M. Walle (2023)
Development finance at a turning point: effects and policy recommendations
(Discussion Paper 21/2023) - Brandi, Clara / Yabibal Walle (2023)
From dialogue to action: key lessons from the consultations on the World Bank reform process
published on blogs.idos-research.de, 09.10.2023 - Walle, Yabibal M. (2022)
Determinants of social cohesion: cross-country evidence
(Discussion Paper 18/2022) - Walle, Yabibal M. (2022)
Social cohesion and firms’ access to finance in Africa
(Discussion Paper 9/2022)
Opinion Pieces
- Olivié, Iliana / María Santillán O’Shea / Kathrin Berensmann / Damien Barchiche / Karim Karaki / Ben Katoka / Niels Keijzer / Christian von Haldenwang / Yabibal Walle (2025)
What does Sevilla mean for the development finance agenda?
published on ettg.eu, 09.07.2025 - Walle, Yabibal / Kathrin Berensmann / Clara Brandi (2025)
How Germany and the EU Must Build on the FfD4 Conference
Bonn: German Institute of Development and Sustainability (IDOS), The Current Column of 30 June 2025, 2nd, revised edition - Walle, Yabibal (2025)
MDBs at FfD4: more attention, few breakthroughs?
published on blog.idos-research.de, 21.05.2025 - Hilbrich, Sören / Yabibal Walle / Clara Brandi (2025)
Trump and FfD4 – the Elephant in the Room starts to speak (and destroy)
published on blogs.idos-research.de, 21.02.2025 - Berensmann, Kathrin / Clara Brandi / Sören Hilbrich / Yabibal Walle (2025)
Cumbersome but essential: the United Nations Financing for Development process ahead of its 4th Conference
published on blogs.idos-research.de, 16.01.2025 - Berensmann, Kathrin / Elise Dufief / Rob Floyd / Yabibal Walle (2024)
Leveraging the FfD4 preparatory process to remove barriers to channelling special drawing rights to multilateral development banks
published on blogs.idos-research.de, 02.12.2024 - Walle, Yabibal M. / Clara Brandi (2023)
The Ongoing Reform of the World Bank
Bonn: German Institute of Development and Sustainability (IDOS), The Current Column of 2 October 2023 - Walle, Yabibal / Clara Brandi (2023)
Expanded mission but limited capacity?
Bonn: German Institute of Development and Sustainability (IDOS), The Current Column of 24 April 2023