Browsing Zentrum für Entwicklungsforschung (ZEF) by Title
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A New Paradigm for Plant Nutrition: Food Systems Summit Brief prepared by Research Partners of the Scientific Group for the Food Systems Summit February 10, 2021
Dobermann, Achim; Bruulsema, Tom; Cakmak, Ismail; Gerard, Bruno; Majumdar, Kaushik; McLaughlin, Michael; Reidsma, Pytrik; Vanlauwe, Bernard; Wollenberg, Lini; Zhang, Fusuo; Zhang, Xin (2021-02-10)The coming 10-20 years will be most critical for making the transition to a global food system in which all stakeholders look at food and nutrients in a holistic manner, including their hidden environmental, health and ... -
A Post‐Area Studies Approach to the Study of Hill Irrigation across the Alai – Pamir – Karakoram – Himalaya
Hill, Joe (2012-06)Due to the geo-political history of the mountainous region stretching from the Alai in the south of Kyrgyzstan to the north-western Himalaya of India, language barriers, and also perhaps the nature of traditional area ... -
A pure theory of population distribution when preferences are ordinal
Stark, Oded; Kosiorowski, Grzegorz (2023-01)We model an environment in which individuals prefer to be in a space in which their rank is higher, be it a social space, a geographical space, a work environment, or any other comparison sphere which we refer to in this ... -
A Typology and Preferences for Pigeon Pea in Smallholder Mixed Farming Systems in Uganda
Birungi Namuyiga, Dorothy; Stellmacher, Till; Borgemeister, Christian; Groot, Jeroen (2022-08-09)Pigeon pea (Cajanus cajan) remains an under-researched ‘orphan crop’ yet is important for food and nutrition security of smallholders. Furthermore, smallholders are heterogeneous, with varying perceptions and resource ... -
The access and welfare impacts of telecommunications technology in Peru
Torero, Maximo (2000-06)This paper attempts to assess three main issues on Peruvian telecommunications technology: what are the main variables that explain the demand for access to telephone services; how important is access to telephone services ... -
Achieving Zero Hunger by 2030 A Review of Quantitative Assessments of Synergies and Tradeoffs amongst the UN Sustainable Development Goals: A paper from the Scientific Group of the UN Food Systems Summit 26 May 2021
Valin, Hugo; Hertel, Thomas; Bodirsky, Benjamin Leon; Hasegawa, Tomoko; Stehfest, Elke (2021-05-26)The Sustainable Development Goal 2 “Zero hunger” (SDG2) sets clear global targets for ensuring access to sufficient food and healthy nutrition for all by 2030, while keeping food systems within sustainable boundaries and ... -
Addressing Food Crises in Violent Conflicts: Food Systems Summit Brief Prepared by Research Partners of the Scientific Group for the Food Systems Summit April, 2021
Kemmerling, Birgit; Schetter, Conrad; Wirkus, Lars (2021-04)Food insecurity and hunger continue to threaten the lives and livelihoods of millions of people. Many of today's food crises are linked to violent conflicts in various ways. The number of people affected by conflict- driven ... -
Advance Equitable Livelihoods: A paper on Action Track 4
Neufeld, Lynnette M.; Huang, Jikun; Badiane, Ousmane; Caron, Patrick; Forsse, Lisa Sennerby (2021-03)Food systems transformation provides the opportunity to shift current trends in all forms of malnutrition, prioritizing nutritious food availability and affordability for all – from shifting priorities in agricultural ... -
An adverse social welfare consequence of a rich-to-poor income transfer: A relative deprivation approach
Stark, Oded; Kosiorowski, Grzegorz; Jakubek, Marcin (2017-09)A transfer from a richer individual to a poorer one seems to be the most intuitive and straightforward way of reducing income inequality in a society. However, can such a transfer reduce the welfare of the society? We show ... -
An adverse social welfare effect of a doubly gainful trade
Stark, Oded; Zawojska, Ewa; Kohler, Wilhelm; Szczygielski, Krzysztof (2018-05)Acknowledging individuals’ distaste for low relative income renders trade less appealing when trade is viewed as a technology that integrates economies by merging separate social spheres into one. We define a “trembling ... -
An adverse social welfare effect of quadruply gainful trade
Stark, Oded; Kosiorowski, Grzegorz (2020-11)Acknowledging that individuals dislike having low relative income renders trade less attractive when seen as a technology that integrates two economies by merging separate social spheres into one. We define a “trembling ... -
African agricultural mechanization: Myths, realities and an emerging research agenda
Daum, Thomas; Birner, Regina (2019-12)African farm systems remain the least mechanized of all continents. There were substantial state-led efforts to promote agricultural mechanization during the 1960s and 1970s, but these efforts failed, which led to a ... -
Agglomeration, pollution, and migration: A substantial link, and policy design
Stark, Oded; Pang, Yu; Fan, Simon (2022-12)We study a developing countries setting in which agglomeration efficiency of urban production attracts rural-to-urban migration, whereas urban pollution deters rural-to-urban migration. By means of a general equilibrium ... -
Agricultural commodity prices, governance, and land supply in the Tropics
Miranda, Javier; Börner, Jan (2023-04)Sustainable use of land resources is at the core of the bioeconomy, and it is of central importance for development in the coming decades. The United Nations Sustainable Development Goals reflect this aspect of development ... -
Agricultural Credit System in India: Evolution, Effectiveness and Innovations
Gulati, Ashok; Juneja, Ritika (2019-09)Indian agriculture is dominated by smallholders. With an average holding size of just 1.08 ha (in 2015-16), and 86 percent of holdings being of less than 2 ha size, Indian agriculture produces sufficient food, feed, and ... -
Agricultural Innovations at the Technological Frontier in India
Baraké, Evelyn; Ganguly, Kavery; Gulati, Ashok; von Braun, Joachim (2017-07)Innovations in agriculture hold the key to unlocking sustainable, inclusive growth potential while securing employment opportunities for young people. In India, this has given rise to a new generation of entrepreneurs and ... -
Agricultural Input Use in Nigeria: Consistency, Complementarity, and Credit
Olaoye, Malik (2023-08)There are complex synergies between different agricultural inputs and practices. For example, improved seeds reach maximum yields only in combination with fertiliser, and fertilisers may have limited effects without adequate ... -
The Agricultural mechanization in Africa: micro-level analysis of state drivers and effects
Kirui, Oliver Kiptoo (2019-04)This paper examines the state, drivers and, consequently, the impacts of agricultural mechanization in eleven countries in Africa. Using representative multistage stratified household survey data and robust analytical ... -
Agricultural policies in Vietnam: Producer support estimates, 1986-2002
Nguyen, Hoa; Grote, Ulrike (2004-12)Since 1986, Vietnam has moved from a centrally planned towards a market-oriented system through several major economic and trade reforms. First positive results of the reform process became visible in the early 1990s when ... -
Agrivoltaics increases public acceptance of solar energy production on agricultural land
Zeddies, Hendrik Hilmar; Parlasca, Martin; Qaim, Matin (2025-02-14)Competition for land is a key challenge for decarbonized energy transitions. Open-space solar energy farms are gaining in importance but have large land requirements and displace agricultural production. Agrivoltaics offers ...