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Koln, Germany

The Max Planck Institute for the Study of Societies is a German social-science research institute within the Max Planck Society located in Cologne.Established in 1985, it was initially headed by sociologist Renate Mayntz , followed by political scientist Fritz W. Scharpf , both of whom exerted a profound influence on the institute's research and public image. Currently directed by Wolfgang Streeck and Jens Beckert, 31 employees and around 20 doctoral and post-doctoral fellows. The research group leaders are Martin Höpner and Sigrid Quack. Wikipedia.

Margulis M.E.,University of Northern British Columbia | Margulis M.E.,Max Planck Institute for the Study of Societies | McKeon N.,Third University of Rome | Borras Jr. S.M.,International Institute of Social Studies

Land grabbing has emerged as a significant issue in contemporary global governance that cuts across the fields of development, investment, food security, among others. Whereas land grabbing per se is not a new phenomenon, having historical precedents in the era of imperialism, the character, scale, pace, orientation, and key drivers of the recent wave of land grabs is a distinct historical phenomenon closely tied to major shifts in power and production in the global political economy. Land grabbing is facilitated by ever greater flows of capital, goods, and ideas across borders, and these flows occur through axes of power that are far more polycentric than the North-South imperialist tradition. In this introduction we argue that land grabbing speaks to many of the core questions of globalization studies. However, we note scholars of globalization have yet to deeply engage with this new field. We situate land grabbing in an era of advanced capitalism, multiple global crises, and the role of new configurations of power and resistance in global governance institutions. The essays in this collection contribute to identifying land grabbing as an important and urgent topic for theoretical and empirical investigations to deepen our understanding of contemporary globalization and governance. © 2013 Copyright Taylor and Francis Group, LLC. Source

Margulis M.E.,University of Northern British Columbia | Margulis M.E.,Max Planck Institute for the Study of Societies | Porter T.,McMaster University

Since 2008, a series of new regulatory initiatives have emerged to address largescale land grabs. These initiatives are occurring simultaneously at multiple levels of social organization instead of a single, overarching institutional site. A significant portion of this activity is taking place at the transnational level. We suggest that transnational land governance is indicative of emerging shifts in the practice of governance of global affairs. We analyze such shifts by asking two related questions: what does land grabbing tell us about developments in transnational governance, particularly with regard to North-South relations, and what do these developments in transnational governance mean for regulating land grabbing?. © 2013 Copyright Taylor and Francis Group, LLC. Source

Braun B.,Max Planck Institute for the Study of Societies
British Journal of Politics and International Relations

Research Highlights and Abstract: This article contributes to the literature on ideational and institutional change at critical junctures more generally, and in the context of economic crises in particular. In the context of explosive economic crises critical junctures should be conceptualised as consisting of two distinct phases-a phase of emergency crisis management and a subsequent phase of purposeful institution building. The analytical significance of the crisis management phase lies in its tendency to create path dependencies for subsequent ideational entrepreneurs and institution building efforts. Crisis management is always 'bricolage'. However, in order to understand why certain tools are 'at hand' during a crisis, one needs to take into account the variable of crisis preparedness. Contingency planning for non-normal times is a constitutive aspect of any economic policy paradigm. The empirical analysis shows that the euro area's lack of preparedness caused the ECB to assume a dominant position during the emergency phase of the crisis. This windfall gain in power for the ECB has already begun to shape the future institutional architecture of the EMU. Focusing on the experience of the euro area in general, and the ECB in particular, this article argues that in the context of explosive financial crises a phase of emergency crisis management precedes the phase of purposeful institution building. Importantly for our understanding of policy change, crisis management measures create their own path dependencies. However, albeit often improvised, crisis management decisions are not entirely contingent. The article therefore introduces the notion of preparedness, which measures the extent to which the pre-crisis policy paradigm was prepared for the joint occurrence of, in this case, a systemic banking crisis and a sovereign debt crisis. The analysis shows that the Euro area's lack of preparedness caused the ECB to assume a dominant position in the euro area during the emergency phase of the crisis. This windfall gain in power for the ECB has already begun to shape the future institutional architecture of the EMU. © 2013 Political Studies Association. Source

Naulin S.,Max Planck Institute for the Study of Societies

While culinary bloggers' main activity consists in publishing recipes, they do also publish reviews on food or kitchen apparatus. In so doing, they become prescribers. This prescribing role is clearly demonstrated by the interest that public relations agencies, the agri-food industry and the manufacturers of kitchen apparatus show in these bloggers, whom they approach to review their products. Who do the Internet users who follow the bloggers' prescriptions trust? A quantitative survey on 621 French culinary bloggers highlights the characteristics of the bloggers' relation to the commodification of reviewing. The culinary blogosphere seems to be structured according to the intensity of bloggers' practices, their audience ratings and their relationship with brands. The bloggers' ability to produce reviews that have impact largely depends on their activity and their audience levels, as well as the "quality" of their audience. Audience leads to quantitatively and qualitatively different partnerships, depending on whether they consist only of peers or of a broader public. © La Découverte. Source

Zeini S.,University of Duisburg - Essen | Gohnert T.,University of Duisburg - Essen | Hoppe U.,University of Duisburg - Essen | Krempel L.,Max Planck Institute for the Study of Societies
Proceedings of the 2012 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining, ASONAM 2012

More and more communities use internet based services and infrastructure for communication and collaboration. All these activities leave digital traces that are of interest for research as real world data sources that can be processed automatically or semi-automatically. Since productive online communities (such as open source developer teams) tend to support the establishment of ties between actors who work on or communicate about the same or similar objects, social network analysis is a frequently used research methodology in this field. A typical application of SNA techniques is the detection of cohesive subgroups of actors (also called "community detection"). A relatively new method for detecting cohesive subgroups is the Clique Percolation Method (CPM), which allows for detecting overlapping subgroups. We have used CPM to analyze data from some open source developer communities (mailing lists and log files) and have compared the results for varied time windows of measurement. The influence of the time span of data capturing/aggregation can be compared to photography: A certain minimal window size is needed to get a clear image with enough "light" (i.e. dense enough interaction data), whereas for very long time spans the image will be blurred because subgroup membership will indeed change during the time span (corresponding to a moving target). In this sense, our target parameter is "resolution" of subgroup structures. We have identified several indicators for good resolution. Applying these indicators to the different CPM results shows the best resolution is a time span of around 2-3 months. In general, this value will vary for different types of communities with different communication frequency and behavior. Following our findings, an explicit analysis and comparison of the influence of time window for different communities may be used to better adjust analysis techniques for the communities at hand. © 2012 IEEE. Source

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