Now showing items 1-6 of 6

    • Depletion of the heaviest stable N isotope is associated with NH4+/NH3 toxicity in NH4+-fed plants 

      Ariz, Idoia Upna Orcid; Cruz, Cristina; Morán Juez, José Fernando Upna Orcid; González Moro, María B.; García Olaverri, Carmen Upna Orcid; González Murua, Carmen; Martins Loucao, María A.; Aparicio Tejo, Pedro María Upna Orcid (BioMed Central, 2011)   Artículo / Artikulua  OpenAccess
      Background: In plants, nitrate (NO3-) nutrition gives rise to a natural N isotopic signature (δ15N), which correlates with the δ15N of the N source. However, little is known about the relationship between the δ15N of the ...
    • The hidden value of intangibles: do CEO characteristics matter? 

      Garcés Galdeano, Lucía Upna Orcid; García Olaverri, Carmen Upna Orcid (Emerald, 2019)   Artículo / Artikulua  OpenAccess
      Purpose: A great deal of research has examined the relationship between a single CEO attribute and a single measure of firm performance; no attempts have been made to integrate them to create a more global vision of both. ...
    • How important is family involvement for small companies’ growth? 

      Garcés Galdeano, Lucía Upna Orcid; García Olaverri, Carmen Upna Orcid (Emerald, 2020)   Artículo / Artikulua  OpenAccess
      Purpose: Our paper seeks to further understand how family involvement in management influences firm growth. Design/methodology/approach: Using a sample of small high-tech firms, we classify three different types of firms: ...
    • Intensidade tecnológica e sistemas de trabalho de alto desempenho 

      García Olaverri, Carmen Upna Orcid; Larraza Kintana, Martín Upna Orcid; Urtasun Alonso, Ainhoa Upna Orcid (Fundaçao Getulio Vargas, 2004)   Artículo / Artikulua  OpenAccess
      The paper examines the moderating effect that the technological intensity of the environment in which the firm operates exerts in the High Performance Work Systems (HPWS) - firm's operational performance relationship. We ...
    • Leaf δ15N as a physiological indicator of the responsiveness of N2-fixing alfalfa plants to elevated CO2, temperature and low water availability 

      Ariz, Idoia Upna Orcid; Cruz, Cristina; Neves, Tomé; Irigoyen, Juan J.; García Olaverri, Carmen Upna Orcid; Nogués, Salvador; Aparicio Tejo, Pedro María Upna Orcid; Aranjuelo Michelena, Iker Upna Orcid (Frontiers Media, 2015)   Artículo / Artikulua  OpenAccess
      The natural 15N/14N isotope composition (δ15N) of a tissue is a consequence of its N source and N physiological mechanisms in response to the environment. It could potentially be used as a tracer of N metabolism in plants ...
    • El tamaño de las empresas y la calidad del recurso empresarial: ¿causa o efecto? 

      Huerta Arribas, Emilio Upna Orcid; García Olaverri, Carmen Upna Orcid; Garcés Galdeano, Lucía Upna Orcid (Gobierno Vasco, 2016)   Artículo / Artikulua  OpenAccess
      Este artículo explora las posibles causas de la heterogeneidad observada en la productividad de las empresas españolas, buscando un vínculo entre la calidad de gestión y el tamaño empresarial en el contexto de las empresas ...