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  • Undetermined  (3)
  • Li, Wei  (3)
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  • 1
    Online Resource
    Online Resource
    Ecosystem Observation, Simulation and Assessment (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
    Details
    UID:
    gbv_1841137502
    Format: 1 Online-Ressource (258 p.)
    ISBN: 9783036567747 , 9783036567754
    Content: This reprint focuses on ecosystem observation, simulation and assessment. Ecosystems provide supply, regulation, culture and support services for human beings in addition to overall support human survival and sustainable development. However, driven by multiple factors such as climate change, population growth, urbanization, and exploitation of mineral resources, global problems such as ecosystem degradation and biodiversity loss have affected the sustainable development of human beings. Because of this, it has become a hot spot in ecology research to develop basic theories, model methods and technical means for ecosystem observation, simulation and evaluation for the quantitative analysis of the structure, process and function of ecosystems as well as the improvement of the scientific understanding of the changing characteristics and evolution laws of natural ecosystems
    Note: English
    Language: Undetermined
    URL: kostenfrei
    URL: kostenfrei
    Library Location Call Number Volume/Issue/Year Availability
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    Online Resource
    Stabi Berlin
    UB Potsdam
  • 2
    AV-Medium
    AV-Medium
    Xiao chen zhi chun (1948)
    [S.l.] : [S.n.]
    Details
    UID:
    b3kat_BV023970510
    Format: 1 Videokassette (VHS, 100 Min.) , s/w
    Note: Chines. Orig. m. dt. Untertiteln - Fernsehmitschnitt: arte 10.11.1993
    Language: Undetermined
    Library Location Call Number Volume/Issue/Year Availability
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    AV-Medium
    UdK Berlin get availability status
  • 3
    Online Resource
    Online Resource
    R&D Returns, Spillovers, and Firm Incentives : Evidence from China (2015)
    World Bank Group, Washington, DC
    Details
    UID:
    gbv_1759660191
    Format: 1 Online-Ressource
    Series Statement: Policy Research Working Paper No. 7191
    Content: This paper uses a new data set of 12,000 firms in China to estimate the returns to research and development investment and its spillover effects, and investigates how the returns to research and development depend on firm incentives. For the firms in the sample, the results show that on average firm output increases around 0.4 yuan for each additional 1 yuan spent on research and development in the previous year, and there is high research and development return regardless of whether the analysis deals with the endogeneity of research and development intensity. Interestingly, the marginal return to research and development is significantly higher in firms whose chief executive officers were not appointed by the government and lower when the chief executive officer's pay is directly related to annual performance. The return to research and development is higher in relatively poor regions and for firms with worse access to finance. There are also non-trivial research and development spillover effects
    Note: China , East Asia and Pacific , English , en_US
    Language: Undetermined
    URL: kostenfrei
    Library Location Call Number Volume/Issue/Year Availability
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    Online Resource
    Stabi Berlin
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