The objective of this study is to investigate the determinants of the export behavior of small and medium-sized enterprises (SMEs) in Turkey. In SMEs, key decision makers play important roles / therefore, studying the impact of managerial characteristics is of paramount importance for understanding the determinants of SME export behavior. Particularly, possible relations between CEO age, tenure, level of education, international experience and foreign language skills and the export performance of SMEs will be examined. While doing this, two distinct theories, namely, upper echelons perspective and resource-based view of the firm (RBV) will be integrated. Furthermore, the study will focus on the role of the human capital as a strategic resource that may enhance the SME export performance. The relations between international experience and foreign language skills of the human capital and SME export performance will be analyzed from upper echelons perspective and RBV point of view. Overall, this study attempts to illustrate that CEOs and human resources are valuable, rare, inimitable and non-substitutable resources for SMEs, and that studying their attributes in SME internationalization context is crucial to understanding the determinants of expert activities of SMEs. As a result, this study expects to reveal important implications for those who aim at increasing the export performance of SMEs. Practitioners may benefit from the findings by addressing which managerial and human capital characteristics influence SME export behavior and in which directions, so that they can better match the characteristics of CEOs and human capital with SMEs in order to attain higher export performance.

The use of information technology (IT) is becoming an essential component within the commercial sector. While large number of companies have adopted IT applications to achieve competitive advantage, and number of studies have been done on competitive advantage through an IT application, it is not clear what the impact of an IT application on competitive advantage is. The purpose of this study was to examine the impact of an IT application on competitive advantage and how to create and sustain competitive advantage through an IT application. For that purpose, this study adopted Sethi and King's (1994) instrumental tool, while the theory of resource based view of the firm (RBV) was the theoretical underpinning for the investigation of how to create and sustain competitive advantage through an IT application. In other words, this study examined how an IT application impacts the seven dimensions which are attributes of competitive advantage through an IT application, and how a firm's resources and capabilities, which are measured in three dimensions. moderate the impact of an IT application on competitive advantage. The three dimensions were identified from the review of literature concerning on the theory of RBV. / Ph. D.

The problem of the present study was to determine training professionals' perceptions of their awareness of and involvement in the integration of training in the firm's business strategies and the impact of training on the firm's competitiveness. The analysis of data obtained from the online survey of 111 participants who were training professionals employed in small, medium, and large firms across three different industries - service, retailing, and manufacturing - revealed that more than 50% of the participants indicated that they either had some understanding of or understood in depth the integration of training in their firms' business strategies. And more than 50% of the participants reported moderate, high, or very high involvement in the integration of training in their firms' business strategies. Moreover, the majority of the participants rated the impact of training on measures of their firms' competitiveness moderate, high, or very high. In addition, the participants were most frequently based on their communication with colleagues and management team regarding their perceptual judgment of the impact of training on all measures of their firms' competitiveness. There was a statistically significant relationship between the participants' firm sizes and the extent to which training contributed to three of the measures of their firms' innovation. Finally, the results indicated a statistically significant positive relationship, r(98) = .576, p < .01, between training professionals' perceived involvement in the integration of training in their firms' business strategies and the impact of training on their firms' competitiveness.

Submitted by Morgana Silva (morgana_linhares@yahoo.com.br) on 2016-06-17T18:04:18Z No. of bitstreams: 1 arquivototal.pdf: 2221254 bytes, checksum: 8222669dfaf7f2816001becf4b118c4e (MD5) / Approved for entry into archive by Viviane Lima da Cunha (viviane@biblioteca.ufpb.br) on 2016-06-20T11:59:51Z (GMT) No. of bitstreams: 1 arquivototal.pdf: 2221254 bytes, checksum: 8222669dfaf7f2816001becf4b118c4e (MD5) / Approved for entry into archive by Viviane Lima da Cunha (viviane@biblioteca.ufpb.br) on 2016-06-20T12:00:11Z (GMT) No. of bitstreams: 1 arquivototal.pdf: 2221254 bytes, checksum: 8222669dfaf7f2816001becf4b118c4e (MD5) / Made available in DSpace on 2016-06-20T12:55:59Z (GMT). No. of bitstreams: 1 arquivototal.pdf: 2221254 bytes, checksum: 8222669dfaf7f2816001becf4b118c4e (MD5) Previous issue date: 2016-02-23 / The present study aimed to analyze the impact of information technology (IT) capabilities on the maturity of the project management of a power sector company. For the theme comprehension, the study was based on the project management and its areas of knowledge, on project management maturity, on organizational resources, on the dynamic capabilities and IT capabilities. It sought to describe the relationship of IT capabilities with project management with the intention of highlighting the value of IT capabilities in performance for promotion above the level of organizational processes, reflected in the evolution of maturity of the project management and therefore the achievement of a sustained competitive advantage. The research was conducted through an interpretive case study and was guided by a qualitative approach that aimed to identify, through understanding of the stories of the experiences of project managers, the impacts of IT capabilities in the evolution of the maturity of the project management and its areas of knowledge. The research was conducted with ten project managers of a company in the electricity sector which operates in the state of Paraiba and is controlled by a group of companies that operates in the service sector of the Brazilian electric sector. The data collection process came from the knowledge areas of project management, from the project management maturity model (PMMM) and from six categories of IT capabilities: IT business partnerships, external IT linkages, business IT strategic thinking, IT business process integration, IT infrastructure and IT management. The analysis, interpretation and discussion of the results revealed that the IT infrastructure, linkages with external partners IT and integration of business processes and IT were the categories of IT capabilities that impacted the most knowledge areas. The impact of each of these categories of IT capabilities was evident in on least five of the ten knowledge areas studied. Also pointed the reach of the fourth level of maturity MMGP for seven of the ten areas of knowledge. The areas that reached stage four, called managed level were: managing scope, cost, deadlines, communication, risk, quality and integration. But the management of human resources, procurement and stakeholder reached stage three named set or standard level. The main contributions of the studies were: evidence of impacts of IT capabilities in organizational process level and ease in identifying the benefits of IT capabilities, from the process level approach, and contribution to reduction of a gap on the theme. This work indicates directions for future studies that seek to measure the TI impact in process level and studies that address the theme addressed to contribute to reducing the gap of work involving project management and IT capabilities. / Este estudo teve como objetivo analisar o impacto das capacidades da Tecnologia de Informação (TI) na maturidade do gerenciamento de projetos de uma empresa do setor elétrico. Para compreensão do tema, o estudo fundamentou-se no gerenciamento de projetos e suas áreas de conhecimento, na maturidade do gerenciamento de projetos, nos recursos organizacionais, nas capacidades dinâmicas e nas capacidades de TI. Buscou descrever a relação das capacidades de TI com o gerenciamento de projetos com a intenção de destacar o valor das capacidades de TI na promoção de desempenho superior ao nível dos processos organizacionais, refletido na evolução da maturidade do gerenciamento de projetos e, por conseguinte, no alcance de uma vantagem competitiva sustentada. A pesquisa foi realizada por meio de um estudo de caso interpretativo e norteada por uma abordagem qualitativa que teve a finalidade de identificar, por meio da compreensão dos relatos das experiências de gestores de projetos, os impactos das capacidades de TI na evolução da maturidade do gerenciamento de projetos e suas áreas de conhecimento. A pesquisa foi realizada com dez gerentes de projetos de uma empresa do ramo de energia elétrica que atua no estado da Paraíba e é controlada por um grupo de empresas que atuam no ramo de serviços do setor elétrico brasileiro. O processo de coleta de dados partiu das áreas de conhecimento do gerenciamento de projetos, do modelo de maturidade em gerenciamento de projetos (MMGP) e das seis categorias de capacidades de TI: parcerias de negócios e TI, vínculos com parceiros externos de TI, pensamento estratégico nos negócios de TI, integração dos processos de negócio e de TI, infraestrutura de TI e gestão de TI. A análise, interpretação e discussão dos resultados revelaram que a infraestrutura de TI, os vínculos com parceiros externos de TI e a integração dos processos de negócios e de TI foram as categorias de capacidades de TI que impactaram o maior número de áreas de conhecimento. O impacto de cada uma dessas categorias de capacidades de TI foi evidenciado em no mínimo cinco das dez áreas de conhecimento estudadas. Também apontaram o alcance do quarto nível de maturidade do MMGP por sete das dez áreas de conhecimento. As áreas que chegaram ao estágio quatro, denominado nível gerenciado foram: gerenciamento do escopo, dos custos, do prazo, das comunicações, dos riscos, da qualidade e da integração. Já o gerenciamento dos recursos humanos, das aquisições e dos stakeholders chegaram ao estágio três, denominado nível definido ou padronizado. As principais contribuições do estudo foram: a evidência de impactos das capacidades de TI em nível de processo organizacional, a facilidade na identificação dos benefícios das capacidades de TI a partir dessa abordagem e a contribuição para redução da lacuna acerca da temática abordada. O trabalho apontou direções para estudos futuros que busquem mensurar o impacto da TI em nível de processo e estudos que tratem da temática abordada a fim de reduzir a lacuna de pesquisas que envolvem o gerenciamento de projetos e as capacidades de TI.

Submitted by JOSÉ MILTON DE SOUSA FILHO (miltonsousa@gmail.com) on 2013-09-01T21:45:38Z No. of bitstreams: 1 Tese - José Milton de Sousa Filho - vFinal.pdf: 2093202 bytes, checksum: 2fdc9c50bb8fe3bfc0bda19f8dca3b34 (MD5) / Rejected by Suzinei Teles Garcia Garcia (suzinei.garcia@fgv.br), reason: Prezado José Milton, Falta a ficha catalográfica. Att. Suzi 3799-7876 on 2013-09-02T11:58:10Z (GMT) / Submitted by JOSÉ MILTON DE SOUSA FILHO (miltonsousa@gmail.com) on 2013-09-02T17:44:13Z No. of bitstreams: 3 Tese - José Milton de Sousa Filho - vFinal.pdf: 2121088 bytes, checksum: f34ee196cec80f954abee65bfa62f18e (MD5) Tese - José Milton de Sousa Filho - vFinal.pdf: 2121088 bytes, checksum: f34ee196cec80f954abee65bfa62f18e (MD5) Tese - José Milton de Sousa Filho - vFinal.pdf: 2121088 bytes, checksum: f34ee196cec80f954abee65bfa62f18e (MD5) / Approved for entry into archive by Suzinei Teles Garcia Garcia (suzinei.garcia@fgv.br) on 2013-09-02T18:42:25Z (GMT) No. of bitstreams: 3 Tese - José Milton de Sousa Filho - vFinal.pdf: 2121088 bytes, checksum: f34ee196cec80f954abee65bfa62f18e (MD5) Tese - José Milton de Sousa Filho - vFinal.pdf: 2121088 bytes, checksum: f34ee196cec80f954abee65bfa62f18e (MD5) Tese - José Milton de Sousa Filho - vFinal.pdf: 2121088 bytes, checksum: f34ee196cec80f954abee65bfa62f18e (MD5) / Made available in DSpace on 2013-09-02T18:57:23Z (GMT). No. of bitstreams: 3 Tese - José Milton de Sousa Filho - vFinal.pdf: 2121088 bytes, checksum: f34ee196cec80f954abee65bfa62f18e (MD5) Tese - José Milton de Sousa Filho - vFinal.pdf: 2121088 bytes, checksum: f34ee196cec80f954abee65bfa62f18e (MD5) Tese - José Milton de Sousa Filho - vFinal.pdf: 2121088 bytes, checksum: f34ee196cec80f954abee65bfa62f18e (MD5) Previous issue date: 2013-08-12 / O presente estudo trata da ‘Estratégia Socioambiental Baseada em Recursos e seu Impacto na Criação de Ambiguidade Causal’ e se propôs a responder a seguinte pergunta de pesquisa: Qual a relação entre estratégia socioambiental baseada em recursos e ambiguidade causal? Mais especificamente, trata criação de ambiguidade causal através da estratégia socioambiental baseada em recursos e capacidades, desta forma, faz sentido teórico considerar a ambiguidade causal como variável dependente, sendo as capacidades socioambientais variáveis independentes (preditoras). Nessa linha, as capacidades baseadas em recursos socioambientais possuem as características causalmente ambíguas preconizadas por Reed e DeFillippi (1990), a saber, tacitividade, complexidade e especificidade. Tais características são essenciais para que o recurso ou capacidade tenha o potencial de gerar ambiguidade causal. Com base no referencial teórico foi estabelecido quais recursos e capacidades tem estreita ligação com as questões socioambientais, ao mesmo tempo em que possuem características causalmente ambíguas. Assim, os seguintes recursos e capacidades emergiram do campo teórico, (a) orientação socioambiental, (b) engajamento com stakeholders, (c) aperfeiçoamento ambiental, e (d) capital humano. Utilizando a técnica estatística regressão linear múltipla, a variável dependente ambiguidade causal foi regredida em função das variáveis independentes que formaram cada um dos quatro citados construtos. Como resultado, apenas as variáveis governança corporativa (construto orientação socioambiental) e sociedade/comunidade (construto engajamento com stakeholders) mostraram-se impactantes positivamente sobre a ambiguidade causal. Por fim, a utilização da ambiguidade causal como variável dependente é fato novo e relevante nos estudos da área de RBV, bem como sua relação com a estratégia socioambiental. Deste modo, pode-se afirmar que os resultados desta pesquisa exploratória tem potencial para ampliar as discussões na intersecção dos estudos de RBV e RSAE, bem como, abre diversas possibilidades para futuras pesquisa, conforme colocado nas conclusões do presente trabalho. / This work is about 'Social and Environmental Resource-Based Strategy and its Impact on the Causal Ambiguity' and aim to answer the following research question: What is the relationship between social and environmental resource-based strategy and causal ambiguity? More specifically, the creation of causal ambiguity through social and environmental resources and capabilities, so it makes sense to consider causal ambiguity as a dependent variable, and the social and environmental capabilities independent variables (predictors). In this line, social and environmental capabilities have causally ambiguous characteristics advocated by Reed and DeFillippi (1990), namely, tacitness, complexity and specificity. These characteristics are essential for the resource or capability has the potential to generate causal ambiguity. Based on the theoretical framework, I established which resources and capabilities is closely linked to social and environmental issues, while having causally ambiguous characteristics. Thus, the following resources and capabilities emerge from the literature, (a) social and environmental orientation, (b) stakeholder engagement, (c) environmental improvement, and (d) human capital. Using multiple linear regression, the dependent variable (causal ambiguity) was regressed in function of the independent variables (that formed the four mentioned constructs). As a result, only corporate governance (social and environmental orientation construct) and society / community (stakeholder engagement construct) impacted positively on the causal ambiguity. Finally, the use of causal ambiguity as a dependent variable is a really new and relevant for future studies in the RBV, as well as the relationship between social and environmental strategy and causal ambiguity. Thus, it can be stated that the results of this exploratory research have potential to broaden the discussion on the intersection of RBV and CSER studies, and open several possibilities for future research, as marked in the conclusions of this work.

In studying organisational change in Air Seychelles, the context, content and process of change together with the interconnections of the airline and the tourism industry in Seychelles through time is explored. The literature review shows that the substantive issues of interest to this study, contextualism as a theory of methods in management research, requires a case based research in particular with regards to the following gaps in the literature: the integration of inner and outer perspectives on sustaining competitive advantage, and conceptual insights on how strategy links firms and their environment. The study adopted a contextual and processual framework to build a theoretical perspective of competitive advantage. The study contributes to the field of strategic management and tourism development in Seychelles in the following ways: firstly, the development of a contextual and processual framework to explain the transformation of firms over time; secondly, the development of an understanding of the historical context of the tourism industry and its interactions with other sectors of the Seychelles economy; thirdly, developing an understanding of how Air Seychelles developed its resources and capabilities to sustain competitive advantage; fourthly, linking change processes and action to performance and in a sense developing an understanding on strategy implementation of strategic management practice in Air Seychelles. The study sheds some light on strategy formation and implementation at the firm level, and the dynamics between the firm and the industry. The findings suggest that firms respond opportunistically to external discontinuities in a dynamic environment - the entrepreneurial leadership of a firm prepares and support managers to operate under conditions of great uncertainty and ambiguity and allows them to behave opportunistically. / Graduate School of Business Leadership / DBL / Thesis (D. B. L.)

Submitted by Cristiane Oliveira (cristiane.oliveira@fgv.br) on 2011-06-10T16:45:39Z No. of bitstreams: 1 71070100692.pdf: 3539597 bytes, checksum: 49a2150b74e5119c2d61894e84192a6f (MD5) / Approved for entry into archive by Gisele Isaura Hannickel(gisele.hannickel@fgv.br) on 2011-06-10T17:13:59Z (GMT) No. of bitstreams: 1 71070100692.pdf: 3539597 bytes, checksum: 49a2150b74e5119c2d61894e84192a6f (MD5) / Approved for entry into archive by Gisele Isaura Hannickel(gisele.hannickel@fgv.br) on 2011-06-10T17:15:05Z (GMT) No. of bitstreams: 1 71070100692.pdf: 3539597 bytes, checksum: 49a2150b74e5119c2d61894e84192a6f (MD5) / Made available in DSpace on 2011-06-10T18:56:20Z (GMT). No. of bitstreams: 1 71070100692.pdf: 3539597 bytes, checksum: 49a2150b74e5119c2d61894e84192a6f (MD5) Previous issue date: 2011-05-09 / The main objective of this study is to examine the effects of the information technology (IT) usedecisions over IT performance. There is a great need to justify the investments in this area and an expectation to promote superior performance from the use of IT resources and capabilities. Therefore, it is important to clarify the IT value and role in the firms. Changes and high velocity marketing contexts are major challenges to environmental organizations. In this sense, the IT use decisions should be able to mobilize IT resources and capabilities to respond to organizational environment changes and IT performance should be evaluated for their contribution to business processes, rather than to try linking on a direct relationship to overall performance in which many variables obscure the real IT value. This study is based on resource-based view of the firm (RBV), dynamic capabilities and complementarities of organizational resources. Two guidelines are proposed for IT use decisions. The first one is driven by IT reconfigurability and complementary capabilities. The second one is driven by IT infrastructure, personal and partnerships assets. The performance is evaluated by the IT use competences in terms of aspects of their functionality and market requirements relative to IT process. This empirical investigation assessed its goal considering a sample of professionals responsible for IT decision making and planning in Brazilian organizations. Datas were analyzed through partial least squares path modeling (PLS-PM). The main results indicated strong and significant effects of capabilities-oriented IT use decisions over their assets-oriented. It was revealed that personal assets-oriented IT use decisions are the ones that influence the performance of IT funcionality competences. Finally, it was evident the importance of IT use decisions treatment as a dynamic capability even without the influence of the moderating effect of the turbulence of organizational environment. The main scholarly contributions are filling the gap of decisions involving the use of IT, its performance on process level within the organizational context of Brazil, and theoretical use of the resource-based view of the firm and dynamic capabilities as background able to promote IT value. Among the main contributions to professional practices stands out to take in account of reconfigurability and complementarity capability of IT resources in their use decisions along with other organizational resources so that they can get a better process performance. The study shows promising future researches in assessing the IT value and development of measures and constructs more appropriate to its evaluation. / O objetivo principal do estudo é verificar os efeitos das decisões do uso da tecnologia da informação (TI) no seu desempenho. Existe uma grande necessidade de justificar os investimentos realizados nessa área e uma expectativa de promover um desempenho superior com o uso dos recursos e capacidades da TI. Portanto, é importante esclarecer o seu valor e o seu papel nas organizações. Mudanças e contextos mercadológicos de rápidas transformações são grandes desafios ao ambiente das organizações. Nesse sentido, as decisões do uso da TI devem ser capazes de mobilizar os recursos e capacidades da TI para responder às mudanças do ambiente organizacional e o desempenho desse uso deve ser avaliado pela contribuição aos processos de negócio, ao contrário de insistir numa relação direta ao desempenho geral em que muitas variáveis ofuscam o real valor da TI. O estudo fundamenta-se na visão baseada em recursos da firma, nas capacidades dinâmicas e na complementaridade dos recursos organizacionais. São propostas duas orientações para as decisões do uso da TI. A primeira orientada pelas capacidades de reconfigurabilidade e complementaridade da TI. A segunda orientada pelos ativos de infra-estrutura, pessoal e parcerias. O desempenho é avaliado pelas competências do uso da TI em relação aos aspectos de sua funcionalidade e de mercado, em nível das exigências do seu processo. O estudo avaliou empiricamente seu objetivo numa amostra de profissionais responsáveis pela tomada de decisão e planejamento de TI em organizações brasileiras. Os dados foram analisados através da modelagem de caminhos por mínimos quadrados parciais. Os principais resultados apontaram fortes e significantes efeitos das decisões do uso da TI orientadas pelas capacidades sobre as decisões orientadas pelos ativos de TI. Revelou-se que as decisões orientadas pelos ativos de pessoal são as únicas que influenciam o desempenho das competências de funcionalidades da TI. Por último, foi evidenciado a importância do tratamento das decisões do uso da TI como uma capacidade dinâmica mesmo sem influência do efeito moderador da turbulência do ambiente organizacional. As principais contribuições acadêmicas são o preenchimento da lacuna que envolve as decisões do uso da TI, seu desempenho em nível de processo dentro do contexto organizacional brasileiro e o usoteórico da visão baseada em recursos da firma e das capacidades dinâmicas como pano de fundo capaz de promover o valor da TI. Dentre as principais contribuições para a prática profissional destaca-se a consideração das capacidades de reconfigurabilidade e complementaridade dos recursos de TI nas decisões do seu uso junto aos demais recursos organizacionais para que se possa obter um melhor desempenho dos processos. O estudo aponta pesquisas futuras promissoras na avaliação do valor da TI e no desenvolvimento de medidas e construtos mais apropriados para sua avaliação.

In studying organisational change in Air Seychelles, the context, content and process of change together with the interconnections of the airline and the tourism industry in Seychelles through time is explored. The literature review shows that the substantive issues of interest to this study, contextualism as a theory of methods in management research, requires a case based research in particular with regards to the following gaps in the literature: the integration of inner and outer perspectives on sustaining competitive advantage, and conceptual insights on how strategy links firms and their environment. The study adopted a contextual and processual framework to build a theoretical perspective of competitive advantage. The study contributes to the field of strategic management and tourism development in Seychelles in the following ways: firstly, the development of a contextual and processual framework to explain the transformation of firms over time; secondly, the development of an understanding of the historical context of the tourism industry and its interactions with other sectors of the Seychelles economy; thirdly, developing an understanding of how Air Seychelles developed its resources and capabilities to sustain competitive advantage; fourthly, linking change processes and action to performance and in a sense developing an understanding on strategy implementation of strategic management practice in Air Seychelles. The study sheds some light on strategy formation and implementation at the firm level, and the dynamics between the firm and the industry. The findings suggest that firms respond opportunistically to external discontinuities in a dynamic environment - the entrepreneurial leadership of a firm prepares and support managers to operate under conditions of great uncertainty and ambiguity and allows them to behave opportunistically. / Graduate School of Business Leadership / DBL / Thesis (D. B. L.)

Les carteres d'aliances importen? Com afecten els recursos als quals les empreses accedeixen per diverses aliances estratègiques simultànies amb socis diferents a la creació de valor i a l'apropiació de valor? Les carteres d'aliances expliquen l'heterogeneïtat entre empreses respecte del valor que capten quan entren en noves aliances estratègiques? Aquesta tesi doctoral es basa en la teoria dels recursos i en la bibliografia sobre el comportament estratègic i les dinàmiques competitives, i presenta un model teòric que es refereix a la creació de valor i l'apropiació en empreses que accedeixen a recursos a través de diverses aliances simultànies amb socis diferents. El model mostra que la creació de valor en les carteres d'aliances és una funció del valor creat per combinacions sinergètiques de recursos que impliquen recursos als quals tenen accés diferents socis, com també del valor destruït a causa de la incompatibilitat entre la combinació de recursos d'una empresa focal i els recursos dels seus socis. Sobre la base d'aquest model teòric, s'han desenvolupat diverses hipòtesis en un ambient marginal en què una empresa connectada multilateralment afegeix una nova aliança estratègica a la seva cartera d'aliances. Per comprovar aquestes hipòtesis, s'ha emprat la metodologia de l'event study i s'han utilitzat dades de la indústria de els línies aèries globals sobre acords de code share subscrits entre 1994 i 1998. Els resultats mostren que el mercat recompensa les empreses que formen aliances amb socis que tenen recursos complementaris i poden aportar recursos que no només es poden combinar amb els recursos propis de l'empresa sinó també amb els relacionals i que també són compatibles amb els dels socis que formen l'aliança. D'altra banda, els resultats també mostren que el mercat penalitza les empreses que formen aliances que aporten recursos incompatibles amb les carteres d'aliances, atès que creen un conflicte competitiu amb alguns dels socis existents. Els resultats de la part empírica d'aquesta anàlisi abonen la tesis que les carteres d'aliances afecten els resultats de les empreses que entren en aliances estratègiques. Aquest estudi conclou que els recursos als quals es té accés per mitjà d'aliances entre empreses s'han d'avaluar no tan sols per les seves característiques pròpies y diàdiques sinó també en el context de les carteres d'aliances. / ¿Importan los portafolios de alianzas? ¿Cómo afectan los recursos a los que acceden las empresas por varias alianzas estratégicas simultáneas con socios diferentes a la creación de valor y a la apropiación de valor? Los portafolios de alianzas ¿explican la heterogeneidad entre empresas con respecto al valor que captan cuando entran en nuevas alianzas estratégicas? Esta tesis doctoral se basa en la teoría de los recursos y en la bibliografía sobre el comportamiento estratégico y las dinámicas competitivas, y presenta un modelo teórico que se refiere a la creación de valor y apropiación en empresas que acceden a recursos a través de varias alianzas simultáneas con socios diferentes. El modelo muestra que la creación de valor mediante un portafolio de alianzas es una función del valor creado por combinaciones sinergéticas de recursos que implican recursos a los cuales acceden diferentes socios, así como del valor destruido a causa de la incompatibilidad entre la combinación de recursos de una impresa focal y los recursos de sus socios. Sobre la base de este modelo teórico, se han desarrollado varias hipótesis en un ambiente marginal en el que una empresa conectada multilateralmente añade una nueva alianza estratégica a su cartera de alianzas. Para comprobar estas hipótesis se ha empleado la metodología del event study, y se han utilizado datos de la industria global de las aerolíneas sobre acuerdos de code share suscritos entre 1994 y 1998. Los resultados muestran que el mercado recompensa a las empresas que forman alianzas con socios que tienen recursos complementarios y pueden aportar recursos que no sólo pueden combinarse con los recursos propios de la empresa sino también con los relacionales y que también son compatibles con los de los socios que forman la alianza. Por otra parte, los resultados también muestran que el mercado penaliza a las empresas que forman alianzas que aportan recursos que son incompatibles con los portafolios de alianzas, en el sentido de que crean un conflicto competitivo con algunos de los socios existentes. Los resultados de la parte empírica de este análisis abonan la tesis de que los portafolios de alianzas afectan a los resultados de empresas que entran en alianzas estratégicas. Este estudio concluye que los recursos a los que se accede a través de las alianzas entre empresas han de evaluarse no sólo por sus características propias y diádicas sino también en el contexto de los portafolios de alianzas. / Do alliance portfolios matter? How do resources accessed from multiple simultaneous strategic alliances with different partners affect value creation and value appropriation? Do alliance portfolios explain heterogeneity across firms with respect to the value that they derive from entering into new strategic alliances? This dissertation builds on insights from the resource-based view of the firm and the strategic behaviour and competitive dynamics literature and advances a theoretical model that addresses value creation and appropriation in firms that access resources through multiple simultaneous inter-firm alliances with different partners. The model illustrates that value creation on the alliance portfolio level is a function of the value created from synergistic resource combinations involving resources accessed from different partners as well the value destroyed by incompatibilities between a focal firm's resource combinations and those deployed by its partners. Based on this theoretical model, empirically testable hypotheses are developed in a marginal setting, in which a multilaterally connected firm adds one new strategic alliance to its alliance portfolio. The hypotheses are tested using an event study method approach and data from the global airline industry on code share agreements formed between 1994 and 1998. The results show that the market on one side rewards firms entering into strategic alliances with partners that possess complementary resources and that contribute resources that cannot only be combined with firms' own but also existing relational resources and that are compatible with the firms' alliance portfolios. On the other side, results show that the market penalizes firms entering into alliances that contribute resources that are alliance portfolio incompatible in the sense that they create a competitive conflict with some of the existing alliance partners. The findings of the empirical part of this dissertation support the view that alliance portfolios affect the performance of firms entering into strategic alliances. This study concludes that resources accessed through inter-firm alliances should not only be evaluated on their standalone and dyadic attributes but also in the context of alliance portfolios.