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The purpose of this paper is to develop a conceptual framework and propositions on a capability-based view that examine the role of a firm’s primary type of alliances, i.e., exploration or exploitation, in the determinants and impact of alliance portfolio capability.

This is a conceptual research paper, which builds on prior conceptual and empirical management research.

Regarding determinants, capability-based arguments indicate that firms with an emphasis on exploration alliances have higher levels of alliance portfolio capability. However, a focus on exploration alliances aggravates the development of alliance portfolio capability through alliance experience and a dedicated alliance function. Regarding impact, alliance portfolio capability may positively affect a firm’s alliance, innovation, and financial performance. While alliance portfolio capability is assumed to have an equally positive effect on alliance performance for all types of alliance portfolios, a relative focus on exploration alliances is expected to limit the positive effects of alliance portfolio capability on innovation and subsequent financial performance.

These new conceptual arguments help to reconcile inconsistent earlier findings, and they deepen the understanding of interfirm differences in alliance portfolio capability and performance.

This paper aims to examine the effect of increases in alliance portfolio cultural diversity (IAPCD) on a firm’s performance and how portfolio configuration characteristics moderate this effect, aiming to enable managers to make better partner choice and portfolio configuration decisions to improve performance.

The sample includes 2,326 focal firms from 93 countries that formed 7,616 alliances between the years 1992 and 2006. This study uses generalized method of moments estimation to examine the effects of portfolio changes on next year’s firm sales performance.

Results reveal an inverted-U relationship between IAPCD and firm performance. Data limitations led to examining moderating effects only on the upslope portion of the inverted-U, indicating that an increasing percentage of joint ventures in a firm’s alliance portfolio strengthens IAPCD’s contribution to performance. Further, increased numbers of marketing alliances or research and development alliances and increased percentage of horizontal alliances in an alliance portfolio have a negative moderating effect.

The sample mostly covers large companies. The data indicate that nearly all firms are on the upslope of an inverted-U IAPCD–to–performance relationship, allowing testing of moderating effects pre-inflection point only.

Firms can leverage the additions of culturally diverse partners toward improved performance through astute configuration decisions in alliance portfolio composition.

This paper uses the knowledge-based view to contribute to the alliance portfolio literature. This study asserts that capacity constraints affect firms’ ability to realize performance gains when taking on culturally diverse partners, an effect moderated by portfolio configurations. This paper tests hypothesis with longitudinal data.

While strategic alliances is a concept increasingly discussed in the field of sustainable supply chain management (SSCM), an emerging and more crucial concept regarding alliances—namely, the alliance portfolio—is mostly ignored in the SSCM context. Mainly drawing on the categorisation–elaboration model (CEM), this research develops a three-layer model to explore the effects of three alliance portfolio diversity facets on the three triple-bottom-line SSCM performances through the mediation of sustainability collaboration.

The field data are collected from 321 Vietnamese manufacturers. Scale accuracy is assessed through the confirmatory factor analysis method. Hierarchical linear regressions are applied to test the proposed model and hypotheses.

Partner, governance, and functional alliance portfolio diversities have a U-shaped, inverted U-shaped, and positive linear effect, respectively, on sustainability collaboration. Sustainability collaboration is in turn found to enhance the SSCM performances in terms of economic, environmental, and social.

This research introduced a new theoretical lens, CEM, to the SSCM field. It also provided findings that can help firms to manage their alliance portfolios more dynamically in terms of the nature and diversity level of the portfolio and in a way that adds to the triple bottom line through the mediating effect of sustainability collaboration.

Extant literature has looked at the effect of alliance capability and organizational culture on alliance portfolio performance, but the relationship between the two has not been explored. The purpose of this paper is to explore the hypothesis that an alliance supportive culture is not only fostered by a firm’s alliance capabilities, but that it mediates the relationship between capabilities and performance.

Survey responses from 190 alliance managers, collected using a two-stage process, were analyzed to investigate the interrelationship of firm-level alliance capability, alliance supportive culture and portfolio performance.

Alliance supportive culture was found to mediate the relationship between alliance capability and alliance portfolio performance. This finding suggests that in order to effectively manage a firm’s portfolio of alliances, the benefits of alliance capability must be transferred broadly into the organization’s cultural orientation toward alliances.

Further research may extend this analysis to explore the effect of subcomponents of alliance capability and alliance culture to better understand fine-grained influences on alliance performance. The findings of this study also may be extended to inform how supportive culture orientation affects partner selection, negotiation and time to performance.

Managers should utilize culture-building actions as a way of extending the value of their firms’ alliance capabilities in order to improve their effectiveness across the portfolio.

Extant studies have considered the discrete effects of capability and cultural orientation on alliance portfolio success, but the mediation effect has not previously been investigated. The findings also identify a boundary condition for the benefit of alliance capabilities on portfolio performance.

The purpose of this paper is to focus on the operation strategy of high-performance alliance portfolios by analyzing the effect of alliance portfolios on the performance of focal firms, using post-structuralism of social network theory and contingency theory. In detail, this paper refines alliance portfolios into three dimensions, and studies the moderating role of context on the relation between alliance portfolios and firm performance.

The empirical study was carried out with second-hand data gathered from Internal Revenue Service. In total, this paper gathered data from 506 focal firms in Zhejiang Province from 2001 to 2010 as the sample to test the hypotheses.

Based on the empirical results, the authors find the positive effect of relational dimension (weak alliance portfolios) and partner dimension (the diversity of partners) on performance. The effect of the former will become weaker with the increasing environmental dynamic, while the effect of the latter will become stronger. However, the structural dimension (alliance portfolios size) and relational dimension (new partners) have the negative effect on performance. And the negative effect will become stronger under high environmental dynamic. Moreover, the negative effect of non-local partners on performance becomes stronger when the environmental dynamic is high.

The paper reveals that with the industry transformation caused by “internet +,” companies have been required go beyond traditional dyadic alliance management perspective. That is to say, individual alliance relationship should be seen as a part of a much broader picture of alliance portfolio. As such, the framework may help companies to manage their alliance portfolios by matching high-performance alliance portfolios to the external environment to produce a synergistic effect (Lea et al., 2006; Tritos et al., 2013; Keith et al., 2014) taking the characteristics of the configuration of alliance portfolios into consideration.

The paper presents a model that explains the effect of three dimensions of alliance portfolios on the performance of focal firms in different contexts through empirical study. This paper also integrates post-structuralism of social network theory and contingency theory to enable the understanding on the configuration of alliance portfolios.

The purpose of this paper is to fill the theoretical void in the discussion of effects of alliance portfolios on firm performance by studying the moderating role of a firm’s strategic positioning.

A fixed effects, autoregressive panel model on a comprehensive, longitudinal sample of large and medium-sized publicly traded companies in the USA.

The effect of alliance portfolios on firm performance is conditional on the firm’s strategic positioning.

The results may not be applicable to firms outside the USA or small firms.

Executives should craft their alliance portfolios while considering the strategic positioning of their firms.

This paper presents the first study of alliance portfolios that uses a comprehensive, multi-industry sample while considering firms’ strategic positioning. The paper is the first to jointly study characteristics of alliance portfolios and firm strategies.

Theory predicts that balancing exploratory and exploitative learning (i.e., ambidexterity) across alliance portfolio domains (e.g. value chain function, governance modes) increases firm performance, whereas balance within domains decreases performance. Prior empirical work, however, only assessed balance/imbalance within and across two domains. The purpose of this study is to determine if theory generalizes beyond specific domain combinations. The authors investigated across multiple domains to determine whether alliance portfolios should be imbalanced toward exploration or exploitation within domains or balanced across domains. The authors also extended prior research by exploring whether the direction of imbalance matters. Current theory only advises managers to accept imbalance without helping with the choice between exploration and exploitation.

Hypotheses are tested using fixed-effects generalized least squares (GLS) regression analysis of a large 13-year panel sample of Fortune 500 firms from 1996 to 2008.

With respect to the balance between exploration and exploitation within each of the five domains investigated, imbalanced alliance portfolios had higher firm performance. No evidence was found that balance across domains relates to performance. Instead, for four of the five domains, imbalance toward exploration related positively to firm performance.

An alliance portfolio that allows for exploration in some domains and exploitation in other domains appears more difficult to implement than prior theory suggests. Firms benefit mostly from using the alliance portfolio for exploratory learning.

The purpose of this paper is to analyze the impact of alliance portfolio internationalization (API) on firm performance in the context of exploitation alliances.

The hypothesis is tested by applying a panel regression using a sample of 64 airlines over a nine years period.

As a result, the study finds a U-shaped relationship between API and firm performance.

The results are particularly relevant for firms using many exploitation (e.g. marketing) alliances.

In the context of exploitation alliances, managers should focus either on local partners or to take advantage of partners with a high degree of foreignness. Stuck in the middle seems to be not advantageous.

Previous work found an S-shaped relationship between portfolio internationalization and firm performance while concentrating on exploration alliances. In contrast, this study shows that exploitation alliance portfolios do not experience a decline of firm performance at high levels of portfolio internationalization.

Portfolios of temporary organisations, particularly portfolios of R&D projects with different project partners, are a common yet understudied phenomenon. We know that these portfolios suffer from tensions inherent in project portfolio ambidexterity (e.g. portfolios balancing R&D projects with new and recurrent partners), yet our understanding of what might lessen these tensions remains limited. This study introduces the idea of project portfolio maturity and theorises how it can mitigate the negative effects of ambidextrous project portfolios. We test our hypotheses by combining proprietary survey and archival data on 136 R&D project portfolios in the German biotechnology industry covering project partnerships with both new and recurrent partners. Our results show that ambidextrous project portfolios hamper firm performance and that portfolio maturity mitigates these negative effects. By introducing a new perspective on project portfolios that accounts for overlooked temporal dimensions, this study provides a new contingency that has the potential to ease the tensions that result from projects with new and recurrent partners. We thereby add to the literatures on temporary organising, project portfolios, and ambidexterity.

This study investigates how small firms develop preferences for varying levels of alliance partner diversity by applying a behavioral perspective.

Data were collected via an original survey administered by the Swedish National Bureau of Statistics (SCB) of 1,026 Swedish firms with 50 employees or less. Hypotheses were tested by specifying a series of fractional response regressions.

The results show a U-shaped relationship between experienced and preferred alliance partner diversity in small firms and further show moderating effects of firm age, prior growth and environmental dynamism. The findings suggest that preferences towards diverse alliance portfolios in small firms may arise, not only from well-informed deliberate strategic thinking based on prior experience, but also as a consequence of cognitive bias.

The findings suggest that (1) small firms considering a wide variety of alliance partners should carefully investigate whether they are, in fact, capable of mastering a highly diverse alliance portfolio or if they are overconfident novices. (2) Holders of homogenous alliance portfolios should recurringly investigate whether homogeneity is due to informed strategy or inertia.

This study contributes to the literature on alliance partner diversity and behavioral alliance portfolio configuration by shedding light on the learning mechanisms that shape alliance portfolio strategies of small firms by explicating the complexity of how different experience levels of partner variety affect current alliance portfolio preferences.