Results 161 to 170 of about 655,633 (235)
Why is economic geography not an evolutionary science? Towards an evolutionary economic geography [PDF]
The paper explains the commonalities and differences between neoclassical, institutional and evolutionary approaches that have been influential in economic geography during the last couple of decades.
Koen Frenken, Ron A. Boschma
core
Advanced Intelligent Systems, EarlyView.A distributed multirobot architecture enables asynchronous vineyard inspection and localized treatment through a cloud‐based mission control center. Real‐world validation demonstrates reliable coordination of heterogeneous robots, accurate disease detection, and effective conversion of georeferenced observations into targeted treatment actions ...
José M. Bengochea‐Guevara +7 more
wiley +1 more source
Environmentally Symbiotic Plant Robot
Advanced Intelligent Systems, EarlyView.An environmentally symbiotic plant robot is presented that externalizes its drive system to plants and soil. By converting germination and growth forces into locomotion, the robot sustains a closed cycle of seeding, germination, growth, and reseeding, autonomously traveling on soil for 30 days using only environmental resources while distributing seeds
Kazuya Murakami +3 more
wiley +1 more source
American Journal of Agricultural Economics, EarlyView.Abstract Germany's Renewable Energy Sources Act (REA), enacted in 2000 and subsequently amended, subsidized national renewable energy production with fixed feed‐in tariffs for renewable energy sources (RE) from wind, solar, and biogas. Empirical studies suggest that the policy was creating windfall effects for landowners and attribute farmland use ...
Lars Isenhardt +6 more
wiley +1 more source
Essays on Mathematical Geography
, 1986 A collection of essays intended to show the range of power in applying pure mathematics to human systems. There are two types of essay: those which employ tranditional mathematical proof, and those which do not.
Arlinghaus, Sandra Lach
core
American Journal of Agricultural Economics, EarlyView.Abstract Our general interest is in global trade loss from livestock pathogens, specifically exports. We adopt a causal inference approach that considers animal disease outbreaks over time as non‐staggered binary treatments with the potential for switching in (infection) and out of treatment (recovery) within the sample period. The outcome evolution of
Mohammad Maksudur Rahman +1 more
wiley +1 more source
American Journal of Agricultural Economics, EarlyView.Abstract This study examines the impact of soil erosion on agricultural land values in the United States (US) Midwest. Based on a novel county‐level panel data set with information on soil erosion levels and agricultural land values covering five census years (1997, 2002, 2007, 2012, and 2017), we separately investigate the direct effect of two types ...
Le Chen +3 more
wiley +1 more source
Journal of geography; a magazine for schools.
No numbers published from Feb. to Aug. 1907.Mode of access: Internet.Published Jan. 1919-May 1920 by the American Geographical Society.Official organ of the National Council of Geography Teachers, 1919-Formed by the union of the Journal of school ...
American Geographical Society of New York. +1 more
core
American Journal of Agricultural Economics, EarlyView.Abstract Crop insurance is undoubtedly an extremely valuable element in protecting agricultural businesses, but in many cases standard indemnity‐based products have had very low uptake due to high transaction costs elevating premiums to unaffordable levels.
Amogh Prakasha Kumar +2 more
wiley +1 more source
, 2008 Objetivamos nesse ensaio assinalar a importância dos grupos de pesquisa na formação dos profissionais de geografia agrária, por meio do relato das atividades desenvolvidas no Núcleo de Estudos de Geografia Fluminense (NEGEF), que realiza investigações sobre o espaço fluminense.
openaire +1 more source