Jann Lay

German Institute for Global and Area Studies (GIGA)

Jann Lay is Head of the Research Programme “Growth and Development” at the GIGA German Institute for Global and Area Studies, Hamburg (www.giga-hamburg.de). As adjunct professor, he also teaches development economics at the University of Goettingen. His work is on various facets of economic development in the Global South, in particular in Africa, including on (informal) employment and labour market, the impacts of commercial agricultural expansion, environment-development linkages, as well as issues related to energy, climate and development (see www.giga-hamburg.de/de/team/lay).

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Jan 1, 2021
Chuan Liao, Kerstin Nolte, Jonathan A. Sullivan, Daniel G. Brown, Jann Lay, Christof Althoff, Arun Agrawal

Carbon emissions from the global land rush and potential mitigation

Global drivers and carbon emissions associated with large-scale land transactions have been poorly investigated. Here we examine major factors behind such transactions (income, agricultural productivity, availability of arable land and water scarcity) and estimate potential carbon emissions under di...


Jan 1, 2020
Insa Flachsbarth, Jann Lay, Kerstin Nolte, Angela Harding, Ward Anseeuw, Jeremy Bourgoin

Responsible Large-Scale Agricultural Investments in and by G20 Countries: A Call for more Transparency

Many international agricultural land investment projects are criticized because of their disrespect of land tenure rights, the few benefits they provide local populations, and the often displayed negative environmental impacts. The Group of 20 (G20) has recognized the need for more responsible land ...


Jan 1, 2020
Jann Lay, Tevin Tafese

Promoting private investment to create jobs: A review of the evidence

The promotion of private investment, in particular in the form of Foreign Direct Investment (FDI), has been a key component of economic development strategies since the early 1990s. Recent development policy initiatives, for example the G20 Compact with Africa (CwA) but also Germany's "Mar...


Apr 5, 2022

Sustainable Global Supply Chains Report 2022

Global supply chains affect the economy, the environment and social welfare in many ways. Worldwide, economies are experiencing global supply shortages today, affecting key industries such as automotive and consumer electronics as well as vaccine and medical supplies industries. These preoccupy poli...


Sep 16, 2021
Holger Görg, Jann Lay, Stefan Pahl, Adnan Seric, Frauke Steglich, Liubov Yaroshenko

Multilateral coordination and exchange for sustainable global value chains

While participation in global value chains (GVCs) is widely associated with benefits for countries’ development and growth, its environmental and social costs become increasingly evident. Representing core buyer and supplier countries in GVCs, the G20 is particularly suited to tackle this global c...


Jan 30, 2024

“Sustainable global supply chains in times of geopolitical crises” Annual Report 2023

The overarching topic of this year's report is "The Role of Geopolitics in Global Supply Chains", highlighting ways in which recent geopolitical and geo-economic developments are shaping and influencing current debates and policy processes around global supply chains (GSCs). Following...


Feb 12, 2024
Jann Lay, Tilman Altenburg, Melanie Müller, Tevin Tafese, Rainer Thiele, Frauke Steglich

Europäische Lieferkettenregulierung nicht aufhalten! Sie ist ein wichtiger Schritt für eine bessere Globalisierung

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