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UID:20316-1748343600-1748350800@i3-cnrs.fr
SUMMARY:The CSI Guests Seminar welcomes Nelo Magalhaes (CRH-EHESS)
DESCRIPTION:The CSI Guests Seminar welcomes \nNelo Magalhaes \n  \nto discuss hisbook \nAccumuler du béton\, tracer des routes \nUne histoire environnementale des grandes infrastructures \n  \n \nIntroduction to the discussion Guilhaum Panas and Guillaume Louvet \nQuatrième de couverture : Dans les décennies d’après-guerre\, des milliers de kilomètres de routes et d’autoroutes sortent de terre pour soutenir l’intensification du trafic et relier\, à travers les paysages agricoles remembrés\, les métropoles aux zones industrielles\, ports\, aéroports\, centrales électriques et complexes touristiques. C’est le début d’une « Grande accélération » qui bouleverse la production de l’espace. Sur les chantiers\, le béton coule à flots tandis que le bruit des machines (qui ne font pas grève) a remplacé le tumulte des terrassiers. La chimie et l’industrialisation des techniques affranchissent la construction des contraintes du relief\, du climat et de la géologie : « abstraire le sol » pour faire passer la route – et supporter le poids des camions – devient un leitmotiv de « l’aménagement du territoire » qui nécessite l’extraction et le déplacement continus de milliards de mètres cubes de terres\, sable et granulat. \nSi les dégâts se font rapidement sentir dans le lit des rivières\, les abords des carrières et dans l’atmosphère – sans parler de la mortalité sur les routes –\, la frénésie du bitume n’a jamais faibli : il faut sans cesse réparer\, épaissir\, étendre cette infrastructure dévoreuse d’hectares et d’argent public. Ce livre offre une remarquable vue en coupe de cet engrenage technique\, économique et politique. Alors que les luttes se multiplient contre le modèle routier et l’industrie cimentière\, il identifie quelques verrous qui rendent le bâti si pesant. Un préalable pour penser des perspectives plus légères. \nAccumulating concrete\, tracing roads. An environmental history of major infrastructures \nIn the post-war decades\, thousands of kilometers of roads and highways were built to support the intensification of traffic\, connecting metropolises with industrial zones\, ports\, airports\, power plants\, and tourist resorts across reclaimed agricultural landscapes. This was the beginning of a “Great Acceleration” that turned the production of space on its head. On construction sites\, concrete flowed at full speed\, while the noise of machines (which did not go on strike) replaced the tumult of excavation workers. Chemistry and the industrialization of techniques freed construction from the constraints of topography\, climate and geology: the “abstraction” of the ground to make way for roads – and to support the weight of trucks – became a leitmotif of “regional planning”\, requiring the continuous extraction and movement of billions of cubic meters of earth\, sand and aggregate. \nWhile the damage to riverbeds\, quarry environments\, and the atmosphere is rapidly becoming apparent – not to mention the deaths on the roads – the bitumen frenzy has never abated: this infrastructure\, which gobbles up hectares of land and public money\, must be constantly repaired\, thickened\, and expanded. This book provides a remarkable overview of this technical\, economic and political spiral. At a time when the struggle against the road model and the cement industry is multiplying\, it identifies some of the obstacles that make the built environment so burdensome. A prerequisite for thinking about lighter perspectives. \nNelo Magalhães holds a PhD in mathematics and economics. He is currently a postdoctoral researcher at the CRH (Centre de recherches historiques)\, EHESS – CNRS (UMR 8558). His research focuses on the materiality of capitalism from a perspective that combines political economy and environmental history. \nNelo Magalhaes\, Accumuler du béton\, tracer des routes. Une histoire environnementale des grandes infrastructures\, La Fabrique Éditions\, 2024. \n  \nThe Guest Seminar Series is organized collectively by the CSI PhD students. It is open upon registration. \nGuest seminar series program \n  \nDate: Tuesday\, May 27\, 2025\, from 11 a.m. to 1 p.m.\nVenue: room Vendôme. Via visioconference for external audiences. The link will be provided shortly before the seminar. \nRegistration: please fill out this form. \nContact: Guillaume Louvet and Louison Magro \n  \nPhoto source:  Fissurer l’empire du béton – Nelo Magalhães. Lundimatin\, 2024.
URL:https://i3-cnrs.fr/en/evenement/the-csi-guests-seminar-welcomesnelo-magalhaes-crh-ehess/
LOCATION:Mines Paris – PSL et en visioconférence\, 60 bd Saint-Michel\, Paris\, 75006\, France
CATEGORIES:Seminaires
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DTSTART;TZID=Europe/Paris:20250527T160000
DTEND;TZID=Europe/Paris:20250527T173000
DTSTAMP:20261013T091349Z
CREATED:20250519T141348Z
LAST-MODIFIED:20261013T091349Z
UID:20732-1748361600-1748367000@i3-cnrs.fr
SUMMARY:CERNA Research Seminar will welcome Carlos Serrano
DESCRIPTION:We are pleased to announce that Carlos Serrano (HEC Paris) will be the next speaker in our CERNA Research Seminar.\nThe seminar will take place Tuesday\, May 27\, 2025 at 4 PM in Salle Vendôme.\n\nCarlos will present his paper: \n  \nPatents in Secret: Disclosure Timing in Markets for Technology\n  \nMarkets for technology provide a vibrant channel through which firms purchase ownership rights to patented inventions. Although such transactions enable firms to secure access to intangible assets originating beyond their borders\, they also provide cues to competitors regarding the purchasing firm’s technological investments. This study explores the timing of strategic disclosure of patent acquisitions and the conditions under which firms trade the benefits of competitor deterrence through early recordation for those of secrecy through delayed disclosure. Using evidence on the lag between the execution and recording dates for US patents purchased by publicly traded corporations\, we predict and find earlier disclosure of patent acquisitions when the buyer works on related technologies and is better positioned to enforce the patents (i.e.\, is large and relatively litigious). As predicted by the model\, we also find that the buyer delays disclosure when the seller is a large firm\, suggesting that buyers take advantage of the seller’s ability to deter competitors while keeping the transaction secret. Additional analyses reveal that (a) regulatory changes reducing the value of keeping acquisitions of patent applications secret lead to shorter recording lags\, and (b) increases in the enforceability of business method and software patents further accelerate the voluntary recording of patent ownership changes. The study provides new evidence on the tradeoffs that innovating firms face when determining the timing of disclosure for patents they have purchased in technology markets.  \n  \nThere will be an opportunity to schedule individual meetings with Carlos before the seminar. \nPlease enter your preferred time slot here \nSee you there!
URL:https://i3-cnrs.fr/en/evenement/20730/
LOCATION:Mines Paris PSL\, 60 boulevard saint Michel\, Paris\, France
CATEGORIES:Seminaires
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