Browsing Zentrum für Entwicklungsforschung (ZEF) by Title
Now showing items 1-20 of 550
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A back-door brain drain
Stark, Oded; Byra, Lukasz (2012-04)In this paper we study the impact of the international migration of unskilled workers on skill formation and the average skill level in the home country. We analyze what appears to be the least threatening scenario from ... -
A bitter choice turned sweet: How acknowledging individuals’ concern at having a low relative income serves to align utilitarianism and egalitarianism
Stark, Oded; Jakubek, Marcin; Kobus, Martyna (2015-03)When individuals’ utility is a convex combination of their income and their concern at having a low relative income (the weights attached to income and to the concern at having a low relative income sum up to one), the ... -
A class of proximity-sensitive measures of relative deprivation
Stark, Oded; Bielawski, Jakub; Falniowski, Fryderyk (2017-09)We introduce a new class of generalized measures of relative deprivation. The class takes the form of a power mean of order <em>p</em> . A characteristic of the class is that depending on the value of the proximity-sensitive ... -
A concern about low relative income, and the alignment of utilitarianism with egalitarianism
Stark, Oded; Kobus, Martyna; Jakubek, Marcin (2011-10)A utilitarian social planner who maximizes social welfare assigns the available income to those who are most efficient in converting income into utility. However, when individuals are concerned about their income falling ... -
A critical comparison of migration policies: Entry fee versus quota
Stark, Oded; Byra, Lukasz; Casarico, Alessandra; Uebelmesser, Silke (2017-07)We ask which migration policy a developed country will choose when its objective is to attain the optimal skill composition of the country’s workforce, and when the policy menu consists of an entry fee and a quota. We ... -
A gain with a drain?: Evidence from rural Mexico on the new economics of the brain drain
Boucher, Steve; Stark, Oded; Taylor, J. Edward (2005-10)Evidence is presented in support of the “brain gain” view that the likelihood of migrating to a destination wherein the returns to human capital (schooling) are high creates incentives to acquire human capital in migrant-sending ... -
A generic model for analyzing nexus issues of households’ bioenergy use
Djanibekov, Utkur; Finger, Robert; Guta, Dawit Diriba; Gaur, Varun; Mirzabaev, Alisher (2016-01)Bioenergy is a major source of energy in developing countries. However, increasing demand for agricultural commodities can lead to a stronger competition for natural resources with the bioenergy production. The nexus among ... -
A journey through the history of commodity derivatives markets and the political economy of (de)regulation
Algieri, Bernardina (2018-12)The present study examines the dynamics and regulatory regimes of commodity derivatives markets through time. The historical perspective allows to identify the reasons behind the use of derivatives and the impact of changing ... -
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 note on Sen’s representation of the Gini coefficient: Revision and repercussions
Stark, Oded (2024-02)Sen (1973 and 1997) presents the Gini coefficient of income inequality in a population as follows. “In any pair-wise comparison the man with the lower income can be thought to be suffering from some depression on finding ... -
A policy response to a downside of the integration of economies: An impossibility theorem
Stark, Oded (2014-05)Recent research shows that the merger of economies increases aggregate stress. This paper shows that there is no income distribution policy which will ensure that the wellbeing of the individuals belonging to merging ... -
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 reluctance to assimilate
Stark, Oded; Fan, C. Simon (2006-10)Quite often, migrants appear to exert little effort to absorb the mainstream culture and to learn the language of their host society, even though the economic returns (increased productivity and enhanced earnings) to ... -
A roller coaster ride: an empirical investigation of the main drivers of wheat price
Algieri, Bernardina (2013-02)Over the last decade, commodity prices have registered substantial booms and busts marked by extreme volatility. Wheat in particular, one of the main non-oil commodities, has registered a roller-coaster in price levels ... -
A social-psychological reconstruction of Amartya Sen’s measures of inequality and social welfare
Stark, Oded; Budzinski, Wiktor (2021-09)The Gini coefficient features prominently in Amartya Sen’s 1973 and 1997 seminal work on income inequality and social welfare. We construct the Gini coefficient from social-psychological building blocks, reformulating it ... -
A theory of migration as a response to relative deprivation
Stark, Oded; Wang, You Qiang (2000-03)We model migration as a response to relative deprivation. We present a specific configuration of incomes in which the process of migration in response to relative deprivation reaches a steady state. However, for the general ... -
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 ... -
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 ...