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Diversity as a product of inter-specific interactions
Journal of Theoretical Biology, 2006We demonstrate diversification rather than optimization for highly interacting organisms in a well-mixed biological system by means of a simple model of coevolution. We find the cause to be the complex network of interactions formed, allowing species that are less well adapted to an environment to succeed, instead of the 'best' species.
Lawson, Daniel +2 more
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Channel Diversity, Product Diversity, and Firm Performance
Academy of Management Proceedings, 2017It is widely believed that the surge of online and mobile channels are revolutionizing many customer-facing businesses such as retailing, finance, entertainment, and transportation.
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No Consistent Effect of Plant Diversity on Productivity
Science, 2000Hector et al . ([1][1]) reported on BIODEPTH, a major international experiment on the response of plant productivity to variation in the number of plant species. They found “an overall log-linear reduction of average aboveground biomass with loss of species,” leading to what the ...
M A, Huston +11 more
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On the Diversity—and Productivity—of Language
2019Abstract Chapter 5 borrows Walter Benjamin’s description of the ‘narcotic historicism’ of nineteenth-century Paris (expressed in its arcades, panoramas, wax museums, and architecture) and applies it to comparative philology, suggesting that, in effect, it creates ‘museums’ of language. In this perspective, some forms of twentieth-century
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Technological diversity and future product diversity in the drug industry
2009This paper deals with the topic of related R&D and innovation strategies of large firms. We ask what determines the diversity of a firm's product portfolio. More specifically, we try to explain large firms' expansion into new product markets driven by the characteristics of their technological knowledge.
Uwe Cantner, Tatiana Plotnikova
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A theory of racial diversity, segregation, and productivity
Journal of Development Economics, 2008Abstract Empirical evidence illustrates that diversity generates both economic costs and benefits. This paper develops a theoretical model that accounts for the positive and deleterious effects of heterogeneity. First, an expanded Solow Growth Model demonstrates that the direct effects of diversity can be positive or negative, and depend upon the ...
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Agricultural production diversity and child nutrition in Ethiopia
Food Security, 2021Maryia Bakhtsiyarava, Kathryn Grace
exaly