All Publications | Apl. Prof. Dr. Jann Lay

Refereed Articles

Renner, Sebastian / Lay, Jann / Schleicher, Michael (2019), The effects of energy price changes: heterogeneous welfare impacts and energy poverty in Indonesia, in: Environment and Development Economics, 24, 2, 180-200
Flachsbarth, Insa / Schotte, Simone / Lay, Jann / Garrido, Alberto (2018), Rural structural change, poverty and income distribution: evidence from Peru, in: The Journal of Economic Inequality, 16, 4, 631-653
Renner, Sebastian / Lay, Jann / Greve, Hannes (2018), Household welfare and CO2 emission impacts of energy and carbon taxes in Mexico, in: Energy Economics, 72, 222-235
Dodlova, Marina / Giolbas, Anna / Lay, Jann (2018), Non-contributory social transfer programs in developing countries: A new dataset and research agenda, in: Data in Brief, 16, 51-64
Lay, Jann / Nolte, Kerstin (2018), Determinants of foreign land acquisitions in low- and middle-income countries, in: Journal of Economic Geography, 18, 1, 59-86
Dodlova, Marina / Giolbas, Anna / Lay, Jann (2017), Social Transfers and Conditionalities under Different Regime Types, in: European Journal of Political Economy, 50, 141-156
Ostermeier, Martin / Linde, Sarah / Lay, Jann / Prediger, Sebastian (2015), SMARTer indicators for decent work in a post-2015 development agenda: A proposal , in: International Labour Review, 154, 3, 285-302
Dodlova, Marina / Göbel, Kristin / Grimm, Michael / Lay, Jann (2015), Constrained Firms, Not Subsistence Activities: Evidence on Capital Returns and Accumulation in Peruvian Microenterprises, in: Labour Economics, 33, 94-110
Jakob, Michael / Steckel, Jan Christoph / Klasen, Stephan / Lay, Jann / Grunewald, Nicole / Martínez-Zarzoso, Inmaculada / Renner, Sebastian / Edenhofer, Ottmar (2014), Feasible Mitigation Actions in Developing Countries, in: Nature Climate Change, 4, 11, 961-968
Lay, Jann / Vaillant, Julia / Grimm, Michael / Roubaud, François (2014), Informal sector dynamics in times of fragile growth: The case of Madagascar, in: European Journal of Development Research
Andrews, Martyn / Golan, Jennifer / Lay, Jann (2014), Inefficiency of male and female on-farm labour supply: Evidence from Uganda, in: American Journal of Agricultural Economics, 97, 3, 998-1019
Anseeuw, Ward / Lay, Jann / Messerli, Peter / Giger, Markus / Taylor, Michael (2013), Creating a public tool to assess and promote transparency in global land deals: The experience of the Land Matrix, in: Journal of Peasant Studies, 40, 3, 521-530
Grimm, Michael / Gubert, Flore / Koriko, Ousman / Lay, Jann / Nordman, Christophe (2013), Kinship ties and entrepreneurship in Western Africa, in: Journal of Small Business & Entrepreneurship, 26, 2, 125-150
Grimm, Michael / Hartwig, Renate / Lay, Jann (2013), Electricity Access and the Performance of Micro and Small Enterprises: Evidence from West Africa, in: European Journal of Development Research, 25, 815–829
Lay, Jann / Ondraczek, Janosch / Stoever, Jana (2013), Renewables in the Energy Transition: Evidence on Solar Home Systems and Lighting-Fuel Choice in Kenya, in: Energy Economics, 40, 350-359
Lay, Jann / Grimm, Michael / Knorringa, Peter (2012), Constrained Gazelles: High Potentials in West Africa's Informal Economy, in: World Development, 40, 1352-1368
Lay, Jann / Grimm, Michael / Krueger, Jens (2011), Barriers to Entry and Returns to Capital in Informal Activities: Evidence from sub-Saharan Africa, in: Review of Income and Wealth, 57, 27-53
Basedau, Matthias / Erdmann, Gero / Lay, Jann / Stroh, Alexander (2011), Ethnicity and Party Preferences in sub-Saharan Africa, in: Democratization, 18, 2, 462-489
Lay, Jann (2010), Sequential Macro-Micro Modelling With Behavioural Microsimulations, in: International Journal of Microsimulation, 3, 1, 24-34
Lay, Jann / Narloch, Ulf / Mahmoud, Toman Omar (2009), Shocks, Income Diversification and Inequality in a Growing Economy: The Case of Burkina Faso, in: African Development Review, 21, 1, 36-58
Basedau, Matthias / Lay, Jann (2009), Resource Curse or Rentier Peace? The Ambiguous Effects of Oil Wealth and Oil Dependence on Violent Conflict, in: Journal of Peace Research, 46, 6, 757-776
Lay, Jann / M'Mukaria, George Michuki / Mahmoud, Toman Omar (2008), Few Opportunities, Much Desperation: The Dichotomy of Non-agricultural Activities and Inequality in Western Kenya, in: World Development, 36, 12, 2713-2732
Kappel, Robert / Lay, Jann / Steiner, Susan (2005), Uganda: No more pro-poor growth?, in: Development Policy Review, 23, 1, 27-54

Articles

Lakemann, Tabea / Lay, Jann (2018), The Economic Focus of Germany’s Africa Policy: The Right Direction, but Overambitious Aspirations, GIGA Focus Africa, 06/2018, Hamburg: GIGA
Lay, Jann / von Soest, Christian (2018), Ten Things to Watch in Africa in 2018, GIGA Focus Africa, 01/2018, Hamburg: GIGA
Lay, Jann / Nolte, Kerstin / Sipangule, Kacana (2018), Large-Scale Farms and Smallholders: Evidence from Zambia, GIGA Working Paper, No. 310, February 2018, Hamburg: GIGA
Dislich, Claudia / Hettig, Elisabeth / Salecker, Jan / Heinonen, Johannes / Lay, Jann / Meyer, Katrin M. / Wiegand, Kerstin / Tarigan, Suria (2018), Land-use change in oil palm dominated tropical landscapes: an agent-based model to explore ecological and socio-economic trade-offs, in: PLOS ONE
Lay, Jann (2018), Micro-econometric and Micro-Macro Linked Models: Sequential Macro-Micro Modelling with Behavioral Microsimulations, in: Christian Henning / Ousmane Badiane / Eva Krampe (eds.), Development Policies and Policy Processes in Africa: Modeling and Evaluation, Cham: Springer, 117-136
Lay, Jann (2017), The G20 under Argentina's Presidency: Time to Deliver on the Hamburg Promises, GIGA Focus Global, 06/2017, Hamburg: GIGA
Lay, Jann (2017), The G20 Compact with Africa: An Incomplete Initiative, GIGA Focus Africa, 02/2017, Hamburg: GIGA
Renner, Sebastian / Lay, Jann / Schleicher, Michael (2017), The Effects of Energy Price Changes: Heterogeneous Welfare Impacts, Energy Poverty, and CO2 Emissions in Indonesia, GIGA Working Paper, No. 302, May 2017, Hamburg: GIGA
Renner, Sebastian / Lay, Jann / Greve, Hannes (2017), Household Welfare and CO2 Emission Impacts of Energy and Carbon Taxes in Mexico, GIGA Working Paper, No. 301, April 2017, Hamburg: GIGA
Lay, Jann / Renner, Sebastian (2016), Not on the "Paris Track": Climate Protection Efforts in Developing Countries, GIGA Focus Global, 08/2016, Hamburg: GIGA
Dodlova, Marina / Giolbas, Anna / Lay, Jann (2016), Non-Contributory Social Transfer Programmes in Developing Countries: A New Data Set and Research Agenda, GIGA Working Paper, No. 290, August 2016, Hamburg: GIGA
Ostermeier, Martin / Linde, Sarah / Lay, Jann / Prediger, Sebastian (2015), SMARTer Indicators for Decent Work in a Post-2015 Development Agenda: A Discussion and a Proposal, GIGA Working Paper, No. 266, February 2015, Hamburg: GIGA
Hohberg, Meike / Lay, Jann (2015), The impact of minimum wages on informal and formal labor market outcomes: Evidence from Indonesia, in: IZA Journal of Labor and Development, 4, 14
Lay, Jann / Schotte, Simone (2013), Lateinamerikas neue Mittelschicht: nachhaltiger Aufstieg?, GIGA Focus Latin America, 08/2013, Hamburg: GIGA
Grimm, Michael / Hartwig, Renate / Lay, Jann (2013), Does forced solidarity hamper investment in small and micro enterprises?, in: IZA Discussion Paper, 7229
Lay, Jann / Prediger, Sebastian (2013), Decent work in a post-2015 development agenda, in: Meinungsforum Entwicklungspolitik, 2, KfW Entwicklungsbank
Göbel, Kristin / Grimm, Michael / Lay, Jann (2012), Constrained Firms, Not Subsistence Activities: Evidence on Capital Returns and Accumulation in Peruvian Microenterprises, in: IZA Discussion Paper , 6866
Grimm, Michael / Lange, Simon / Lay, Jann (2012), Credit-constrained in Risky Activities? The Determinants of the Capital Stocks of Micro and Small Firms in Western Africa, GIGA Working Paper, No. 185, January 2012, Hamburg: GIGA
Renner, Sebastian / Lay, Jann (2012), Brasilien und Mexiko: Entwicklung auf Kosten des Klimawandels?, GIGA Focus Latin America, 06/2012, Hamburg: GIGA
Ostermeier, Martin / Giesbert, Lena / Lay, Jann / Prediger, Sebastian (2012), Beschäftigung, Armut und die Millenniumsziele der Vereinten Nationen, GIGA Focus Global, 10/2012, Hamburg: GIGA
Grimm, Michael / Gubert, Flore / Koriko, Ousman / Lay, Jann / Nordman, Christophe (2012), La solidarité forcée bride-t-elle l'activité des micro-entrepreneurs? Une analyse à partir de données ouest-africaines, in: Jean-Pierre Cling / Stéphane Lagrée / Mireille Razafindrakoto / François Roubaud (eds.), L’économie informelle dans les pays en développement, Paris: Agence Francaise de Developpement, 165-182
Grimm, Michael / van der Hoeven, Rolph / Lay, Jann / Roubaud, Francois (2012), Neubewertung des informellen Sektors und des Unternehmertums in Sub-Sahara Afrika, in: Vierteljahrshefte zur Wirtschaftsforschung, 81, 3, 69–83
Vaillant, Julia / Grimm, Michael / Lay, Jann / Roubaud, François (2011), Informal sector dynamics in times of fragile growth: the case of Madagascar , in: DIAL Working Paper, DT/2011-10
Lay, Jann / Nolte, Kerstin (2011), Neuer „Landraub“ in Afrika?, GIGA Focus Africa, 01/2011, Hamburg: GIGA
Grimm, Michael / Krüger, Jens / Lay, Jann (2010), Capital market imperfections, uncertainty or both: Evidence on economic constraints to informal enterprises in Sub-Saharan Africa, in: Proceedings of the German Development Economics Conference, Hannover, 17
Lay, Jann (2010), MDG achievements, determinants and resource needs: what has been learnt?, in: The World Bank Policy Research Working Paper Series, 5320
Stroh, Alexander / Basedau, Matthias / Erdmann, Gero / Lay, Jann (2009), Ethnicity and Party Preference in Sub-Saharan Africa, in: Gordon Crawford / Gabrielle Lynch (eds.), Democratization in Africa: Challenges and Prospects, London: Routledge, 188-215
Lay, Jann / Ackah, Charles (2009), Gender Impact of Agricultural Liberalization: Evidence from Ghana, in: Rafael E. de Hoyos / Maurizio Bussolo (eds.), Gender Aspects of the Trade and Poverty Nexus: A Macro-Micro Approach, Washington D.C.: World Bank Publications, 217-246
Lay, Jann / Golan, Jennifer (2009), More coffee, more cigarettes? Coffee Market Liberalization, Gender, and Bargaining in Uganda, in: Rafael E. de Hoyos / Maurizio Bussolo (eds.), Gender Aspects of the Trade and Poverty Nexus: A Macro-Micro Approach, Washington D.C.: World Bank Publications, 185-216
Lay, Jann / Thiele, Rainer / Wiebelt, Manfred (2008), Shocks, Policy Reforms, and Pro-Poor Growth in Bolivia: A Simulation Analysis, in: Review of Development Economics, 12, 1, 37-56
Lay, Jann / Michuki M'Mukaria, Georg / Mahmoud, Toman Omar (2007), Boda-bodas Rule: Non-agricultural Activities and Their Inequality Implications in Western Kenya, GIGA Working Paper, No. 48, April 2007, Hamburg: GIGA
Bussolo, Maurizio / Godart, Olivier / Lay, Jann / Thiele, Rainer (2007), The Impact of Coffee Price Changes on Rural Households in Uganda, in: Agricultural Economics, 37, 293–303

Miscellaneous

Lakemann, Tabea / Lay, Jann (2017), Services, informality and productivity in Africa, in: OECD Development Matters
Brandi, Clara / Scholz, Imme / Lay, Jann / Alexander, Nancy / Thiele, Rainer / Das, Ram Upendra / Klein, Richard (2017), Coherent G20 policies towards the 2030 Agenda for Sustainable Development, in: G20 Insights Platform
Hettig, Elisabeth / Lay, Jann / van Treeck, Katharina / Bruness, Martin / Asih, Dewi Nur / Nuryartono, Nunung (2017), Cash crops as a sustainable pathway out of poverty? Panel data evidence on the heterogeneity of cocoa farmers in Sulawesi, Indonesia, in: CRC-PEG Discussion Papers, 227
Dodlova, Marina / Giolbas, Anna / Lay, Jann (2016), Non-Contributory Social Transfer Programmes in Developing Countries Data Set
Hettig, Elisabeth / Lay, Jann / Sipangule, Kacana (2015), Drivers of households' land-use decisions: A critical review of micro-level studies in tropical regions, in: EFForTS discussion paper series, 15
Dislich, C. / Hettig, E. / Heinonen, J. / Lay, J. / et al., (2015), Towards an integrated ecological-economic land-use change model, in: EFForTS discussion paper series, 17
Althoff, Christoff / Anseeuw, Ward / Geber, Tin / Lay, Jann / Nolte, Kerstin / Ostermeier, Martin (2013), Land Matrix Newsletter - June 2013
Kleemann, Linda / Lay, Jann / Nolte, Kerstin / Ott, Konrad / Thiele, Rainer / Voget-Kleschin, Lieske (2013), Economic and Ethical Challenges of "Land Grabs" in Sub-Saharan Africa, in: Kiel Policy Brief, 76
Anseeuw, Ward / Boche, Mathieu / Breu, Thomas / Giger, Markus / Lay, Jann / Messerli, Peter / Nolte, Kerstin (2012), Transnational Land Deals for Agriculture in the “Global South”, in: Analytical Report Based on the Land Matrix Database, CDE/CIRAD/GIGA, Bern/Montpellier/Hamburg