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Marc Gruber

Cette personne a quitté l’EPFL

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Publications associées (66)

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A locked mode indicator for disruption prediction on JET and ASDEX upgrade

Jérémie Gérard Laurent, Olivier Sauter, Ambrogio Fasoli, Henri Weisen, Richard Pitts, Jonathan Graves, Stefano Coda, Basil Duval, Timothy Goodman, Yves Martin, Yann Camenen, Jan Horacek, Javier García Hernández, Marco Wischmeier, Jean-Marc Moret, Mikhail Maslov, Patrick Blanchard, Alessandro Pau, David Pfefferlé, Davide Galassi, Federico Alberto Alfredo Felici, Roland Behn, Antonio José Pereira de Figueiredo, Jonathan Marc Philippe Faustin, Liang Yao, Dalziel Joseph Wilson, Cristian Sommariva, Benoît Labit, Hamish William Patten, Samuel Lanthaler, Holger Reimerdes, Laurie Porte, Christian Gabriel Theiler, Alberto Bottino, Marc Gruber, Alexander Karpushov, Emiliano Fable, Ben McMillan, Andrea Scarabosio, Federico Nespoli, Kevin Henricus Annemarie Verhaegh, Antoine Pierre Emmanuel Alexis Merle, Umar Sheikh, Wouter Vijvers, Matteo Fontana, Yanis Andrebe, Cristian Galperti, Haomin Sun, Joan Decker, Cedric Kar-Wai Tsui, Doohyun Kim, Nicola Vianello, Pedro Andres Molina Cabrera, Anna Teplukhina, Thomas Binderup Jensen, Zhouji Huang, Jose Vicente Sanchez Mut, Attila Bencze, Dávid Wágner, Claudio Marini, Himank Anand, Dahye Choi, Hoang Bao Le, Miguel Filipe Silva Füglister, Anton Malygin, Mélanie Preynas, Mateusz Gospodarczyk

The aim of this paper is to present a signal processing algorithm that, applied to the raw Locked Mode signal, allows us to obtain a disruption indicator in principle exploitable on different tokamaks. A common definition of such an indicator for different ...

2019

Basic Needs as the Boundary Condition for a Reconceptualization of Necessity Entrepreneurship across Contexts

Marc Gruber

ACAD MANAGEMENT2021

Individual and Opportunity Factors Influencing Job Creation in New Firms

Marc Gruber

We build on multiple theoretical perspectives to investigate the unique and joint effects of individual- and opportunity-level factors affecting job creation in new firms. We tested hypotheses using survey data from individuals who transitioned from unempl ...

Academy of Management2009

Painting with All the Colors: The Value of Social Identity Theory for Understanding Social Entrepreneurship

Marc Gruber, Julia Katharina Binder, Nettra Danette Pan

ACAD MANAGEMENT2019

Venture Capitalists' evaluation of start-up Teams: Trade-offs, Knock-out Criteria, and the Impact of VC Experience

Marc Gruber

The start-up team plays a key role in venture capitalists' evaluations of venture proposals. Our findings go beyond existing research, first by providing a detailed exploration of VCs' team evaluation criteria, and second by investigating the moderator var ...

2008

Knowledge Recombination Across Technological Boundaries: Scientists vs. Engineers

Marc Gruber

Building on the seminal work of Thomas J. Allen, we contribute to the emerging microlevel theory of knowledge recombination by examining how individual-level characteristics of inventors affect the breadth of their technological recombinations. Our data se ...

INFORMS2013

What you are is what you like—similarity biases in venture capitalists' evaluations of start-up teams

Marc Gruber

This paper extends recent research studying biases in venture capitalist's decision making. We contribute to this literature by analyzing biases arising from similarities between a venture capitalist and members of a venture team. We summarize the psycholo ...

2006

From Minds to Markets: How Human Capital Endowments Shape Market Opportunity Identification of Technology Start-Ups

Marc Gruber, James David Thompson

The resource-based view suggests that firms' heterogeneous resource endowments are important for explaining interfirm performance differences. To date, however, the literature provides little insight on the factors that shape the identification of markets ...

Sage Publications Inc2012

A Brief Primer On Data Visualization Opportunities In Management Research

Marc Gruber

2018

The effects of opportunities and founder experience on new firm performance

Marc Gruber

Much prior research in entrepreneurship has focused on the role of the founder's knowledge in affecting new firm performance. Yet, little is known about how and why the entrepreneurial opportunity itself shapes outcomes in this arena. We begin filling in t ...

Wiley-Blackwell2015

ELM-induced cold pulse propagation in ASDEX Upgrade

Olivier Sauter, Richard Pitts, Stefano Coda, Basil Duval, Timothy Goodman, Yves Martin, Yann Camenen, Jan Horacek, Javier García Hernández, Duccio Testa, Marco Wischmeier, Jean-Marc Moret, Patrick Blanchard, Alessandro Pau, Federico Alberto Alfredo Felici, Roland Behn, Antonio José Pereira de Figueiredo, Cristian Sommariva, Benoît Labit, Holger Reimerdes, Laurie Porte, Christian Gabriel Theiler, Marc Gruber, Alexander Karpushov, Emiliano Fable, Ben McMillan, Federico Nespoli, Kevin Henricus Annemarie Verhaegh, Antoine Pierre Emmanuel Alexis Merle, Umar Sheikh, Matteo Fontana, Yanis Andrebe, Cristian Galperti, Joan Decker, Dávid Wágner, Cedric Kar-Wai Tsui, Doohyun Kim, Nicola Vianello, Pedro Andres Molina Cabrera, Anna Teplukhina, Thomas Binderup Jensen, Zhouji Huang, Attila Bencze, Claudio Marini, Wouter Vijvers, Himank Anand, Dahye Choi, Hoang Bao Le, Anton Malygin, Mélanie Preynas

In ASDEX Upgrade, the propagation of cold pulses induced by type-I edge localized modes (ELMs) is studied using electron cyclotron emission measurements, in a dataset of plasmas with moderate triangularity. It is found that the edge safety factor or the pl ...

2019

Configurations of Resources & Capabilities and their Performance Implications: An Exploratory Study on Technology Ventures

Marc Gruber

As one of the most widely accepted theoretical perspectives in strategy, the resource-based view (RBV) suggests that a firm's resources underlie its ability to achieve competitive advantage. However, much of the extant work in this stream has examined the ...

Wiley-Blackwell2010

"In pursuit of the real deal": A longitudinal study of VC decision making

Marc Gruber

This paper investigates actual Venture Capital (VC) decision making as it occurs over time in its natural decision environment. Our qualitative analysis is based on a comprehensive, longitudinal data set comprising 11 years of archival data from a European ...

Elsevier2011

How Experience Shapes the Subjective Evaluation of Opportunities

Sun Hee Kim, Marc Gruber

The purpose of this paper is to build on a set of recent theoretical studies investigating the role of subjective insights and judgments in the resource-based view and to extend this important line of inquiry by offering a detailed assessment of how agents ...

2010

FROM A PORTFOLIO OF JOURNALS TO A SYSTEM OF KNOWLEDGE PRODUCTION

Marc Gruber

Academy of Management2024

Contextualizing Lean Startup and Alternative Approaches for New Venture Creation: Introducing the Special Issue

Marc Gruber

The Lean Startup movement fundamentally changed entrepreneurial education and the way new ventures evolve. While Steve Blank and other founders of the movement embraced academic ideas, the movement grew among practitioners largely disconnected from academi ...

2024

POSITIONING RESEARCH ON NOVEL PHENOMENA: THE WINDING ROAD FROM PERIPHERY TO CORE

Marc Gruber

Acad Management2023

Look Before You Leap: Market Opportunity Identification in Emerging Technology Firms

Marc Gruber, James David Thompson

Entrepreneurs play a fundamental role in bringing new technologies to market. Because technologies are often configurable to serve a variety of different markets, it is possible for entrepreneurs to identify multiple market opportunities prior to the first ...

2008

Four Approaches to New Venture Creation: Taking Stock and Moving Forward

Marc Gruber

Lean startup, effectuation, creation theory, and the theory-based view represent four different descriptive theories of how new ventures emerge and/or normative theories of how new ventures should be developed. We juxtapose the four approaches and describe ...

2024

Reconceptualizing Necessity Entrepreneurship: A Contextualized Framework Of Entrepreneurial Processes Under The Condition Of Basic Needs

Marc Gruber

Scholarly interest in necessity entrepreneurship has risen steadily over the last four decades, with much of the research in this area focused on distinguishing individuals who are pushed into entrepreneurship by negative factors, such as unemployment, fro ...

ACAD MANAGEMENT2021