6,390 research outputs found
Rivals’ Reactions to Mergers and Acquisitions
Mergers and acquisitions research has principally focused on attributes of the acquiring firm and post-acquisition outcomes. To extend our knowledge, we focus on external factors, in particular rival responses, and explore when and how rivals respond to their competitor’s acquisitions. Leveraging the awareness–motivation–capability framework, we predict and find evidence that a rival’s dependence on markets in common with the acquirer, resource similarity between rival and acquirer, and a rival’s organizational slack increase the volume and, in some cases, also the complexity of a rival’s competitive actions following an acquisition. Furthermore, the type of acquisition positively moderates some of these relationships. The results extend our understanding of the influence of mergers and acquisitions on competitive dynamics in the marketplace
Within-layer Diversity Reduces Generalization Gap
Neural networks are composed of multiple layers arranged in a hierarchical
structure jointly trained with a gradient-based optimization, where the errors
are back-propagated from the last layer back to the first one. At each
optimization step, neurons at a given layer receive feedback from neurons
belonging to higher layers of the hierarchy. In this paper, we propose to
complement this traditional 'between-layer' feedback with additional
'within-layer' feedback to encourage diversity of the activations within the
same layer. To this end, we measure the pairwise similarity between the outputs
of the neurons and use it to model the layer's overall diversity. By penalizing
similarities and promoting diversity, we encourage each neuron to learn a
distinctive representation and, thus, to enrich the data representation learned
within the layer and to increase the total capacity of the model. We
theoretically study how the within-layer activation diversity affects the
generalization performance of a neural network and prove that increasing the
diversity of hidden activations reduces the estimation error. In addition to
the theoretical guarantees, we present an empirical study on three datasets
confirming that the proposed approach enhances the performance of
state-of-the-art neural network models and decreases the generalization gap.Comment: 18 pages, 1 figure, 3 Table
Coopetition and innovation. Lessons from worker cooperatives in the Spanish machine tool industry
This is an electronic version of the accepted paper in Journal of Business & Industrial
Marketing[EN] Purpose –
This paper aims to investigate how the implementation of the inter-cooperation principle
among Spanish machine-tool cooperatives helps them to coopete–collaborate with
competitors, in their innovation and internationalization processes and achieve collaborative
advantages.
Design/methodology/approach – The paper uses a multi-case approach based on interviews
with 15 CEOs and research and development (R&D) managers, representing 14 Spanish
machine tool firms and institutions. Eight of these organizations are worker-cooperatives..
Findings – Worker -cooperatives achieve advantages on innovation and internationalization
via inter-cooperation (shared R&D units, joint sales offices, joint after-sale services,
knowledge exchange and relocation of key R&D technicians and managers). Several mutual
bonds and ties among cooperatives help to overcome the risk of opportunistic behaviour and
knowledge leakage associated to coopetition. The obtained results give some clues explaining
to what extent and under which conditions coopetitive strategies of cooperatives are
transferable to other types of ownership arrangements across sectors.
Practical implications – Firms seeking cooperation with competitors in their R&D and
internationalization processes can learn from the coopetitive arrangements analyzed in the
paper.
Social implications – Findings can be valuable for sectoral associations and public bodies
trying to promote coopetition and alliances between competitors as a means to benefit from
collaborative advantages.
Originality/value – Focusing on an “ideal type” of co-operation -cooperative organisationsand
having access to primary sources, the paper shows to what extent (and how) strong
coopetitive structures and processes foster innovation and internationalization
Learning Task Relatedness in Multi-Task Learning for Images in Context
Multimedia applications often require concurrent solutions to multiple tasks.
These tasks hold clues to each-others solutions, however as these relations can
be complex this remains a rarely utilized property. When task relations are
explicitly defined based on domain knowledge multi-task learning (MTL) offers
such concurrent solutions, while exploiting relatedness between multiple tasks
performed over the same dataset. In most cases however, this relatedness is not
explicitly defined and the domain expert knowledge that defines it is not
available. To address this issue, we introduce Selective Sharing, a method that
learns the inter-task relatedness from secondary latent features while the
model trains. Using this insight, we can automatically group tasks and allow
them to share knowledge in a mutually beneficial way. We support our method
with experiments on 5 datasets in classification, regression, and ranking tasks
and compare to strong baselines and state-of-the-art approaches showing a
consistent improvement in terms of accuracy and parameter counts. In addition,
we perform an activation region analysis showing how Selective Sharing affects
the learned representation.Comment: To appear in ICMR 2019 (Oral + Lightning Talk + Poster
Zero-Shot Cross-Lingual Transfer with Meta Learning
Learning what to share between tasks has been a topic of great importance
recently, as strategic sharing of knowledge has been shown to improve
downstream task performance. This is particularly important for multilingual
applications, as most languages in the world are under-resourced. Here, we
consider the setting of training models on multiple different languages at the
same time, when little or no data is available for languages other than
English. We show that this challenging setup can be approached using
meta-learning, where, in addition to training a source language model, another
model learns to select which training instances are the most beneficial to the
first. We experiment using standard supervised, zero-shot cross-lingual, as
well as few-shot cross-lingual settings for different natural language
understanding tasks (natural language inference, question answering). Our
extensive experimental setup demonstrates the consistent effectiveness of
meta-learning for a total of 15 languages. We improve upon the state-of-the-art
for zero-shot and few-shot NLI (on MultiNLI and XNLI) and QA (on the MLQA
dataset). A comprehensive error analysis indicates that the correlation of
typological features between languages can partly explain when parameter
sharing learned via meta-learning is beneficial.Comment: Accepted as long paper in EMNLP2020 main conferenc
The Effect Of Intrateam And Interteam Trust On Organizational Outcomes: A Multilevel Study
The main objectives of this dissertation were to examine the main and interactive effects of intrateam and interteam trust on organizational outcomes at individual, team and organizational levels. Also, this dissertation sought to examine the mechanisms (team processes: team behavioral integration, team psychological safety, team reflexivity, and team learning) through which intrateam and interteam trust elicit organizational outcomes. Moreover, this dissertation also sought to uncover if value congruence and team feedback seeking behavior in teams moderate the effect of intrateam trust on the team processes.
Hypotheses were tested using data collected from a sample of 282 team members nested under 78 teams and 23 branches from a major bank in Addis Ababa, Ethiopia, at two different time points. The results showed that intrateam trust has a significant effect on employees’ job satisfaction and job engagement at both individual and team levels. Interteam trust was also found to have a significant effect on individual and unit level performance. In addition, this dissertation also showed that team processes were important mediators of the effect of intrateam trust on organizational outcomes. Contrary to the hypotheses, however, the results showed that intrateam trust had no significant effect on performance at individual, team, and unit levels. Neither did team reflexivity, team behavioral integration, and team learning mediate the relationship between interteam trust and outcomes. Theoretical and practical implications are discussed
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