1,721,077 research outputs found

    Opening the black-box of graduates’ horizontal skills: diverging labour market outcomes in Italy

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    This paper assesses labour market outcomes associated with the acquisition of different graduate competences in the Italian labour markets particularly focusing on 'soft skills' developed during HE programs. By using a classification of graduate jobs that distinguishes between different horizontal skills, namley managerial and communication skills, the paper conducts an empirical analysis of the benefits of being employed in such occupations having completed a degree program. These benefits are assessed across time, referring to the period following the crisis and to most recent available data. Results show that only 'communication' skills provide higher benefits than discipline-related skills. Moreover, the higher education system seems not to provide higher education graduates with distinctive 'managerial' competences compared to non-graduate workers suggesting that these types of social skills can be developed through alternative learning paths, such as work-based experience or other extra-curricular activities

    Trasformazioni eterogenee atipiche e limiti all'autonomia privata

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    The Italian Civil Code provided for the change of companies’ form (“trasformazione”) ever since it was enacted in 1942. In particular, the law regulated the modification of partnerships (“società semplice” and “società in nome collettivo”) into corporations (“società per azioni” and “società a responsabilità limitata”). Despite the silence of the law, the modification of corporations into partnerships was also admitted.Back in 2003, Italian corporate law was deeply reformed. As to the change of companies’ form, the new law has granted the possibility of modifying partnerships and corporations into other legal entities, including non-profit organizations (e.g., foundations, associations, etc.). The new regulation calls for a new approach by corporate scholars.This work aims at studying in depth the implications brought by the new regulation, devoting attention to the extent of the “same-entity principle” (“principio di continuità”) and addressing the issue of those modifications of form that are not specifically envisaged by the law

    Smart specialization and models of capitalism

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    The chapter discusses recent trend in the relevant economic literature concerning localization of economic productivities and smart specialization strategie

    Passive techniques for the enhancement of convective heat transfer in single phase duct flow

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    This review presents the main results of the experimental campaign on passive techniques for the enhancement of forced convective single phase heat transfer in ducts, performed in the last years at the Laboratory of the Industrial Engineering Department of the University of Parma by the Applied Physics research group. The research was mainly focused on two passive techniques, widely adopted for the thermal processing of medium and high viscosity fluids, based on wall corrugation and on wall curvature. The innovative compound heat transfer enhancement technique that couples together the effect of wall curvature and of wall corrugation has been investigated as well. The research has been mainly focused on understanding the causal relationship between the heat transfer surface modification and the convection enhancement phenomenon, by accounting the effect of the fluid Prandtl number. The pressure loss penalties were also evaluated. The principal results are presented and discussed

    Parameter estimation approach applied to the characterization of an intumescent fire retardant paint

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    Intumescent paints are used as passive fire protection system in structural constructions. In particular they are widely used as fire retardant to protect structural steel elements. The thermal properties of intumescent paints are often unknown and difficult to be estimated since they vary significantly during the expansion process induced by the fire event; for this reason the fire resistance validation of commercial coatings is based on expensive, large-scale methods where each commercial coating/beam configuration has to be tested one by one. Adopting, instead, approaches based on the thermal modeling of the intumescent coating could provide a helpful tool to simplify the test procedure and to support the design of fire resistant structure as well. Inverse parameter estimation methodologies offer a robust tool to obtain this required information. The present investigation is focused on the assessment of such methodology applied to the restoration of the thermal properties which can be used to model the behavior of intumescent coatings. The parameter estimation procedure is first validated throughout its application to synthetic data derived with regard to an IPE 400 steel beam. The analysis is then completed throughout the application of the parameter estimation methodology to the experimental temperature history of protected steel beams subjected to a fire test according to EN 1363-1 and ENV 13381-4 standards. The results suggest that the approach suggested here, based on the modeling of the behavior of the intumescent paint by means of an equivalent thermal conductivity, could be suitable for quantifying the fire retardant effect of the protective coating

    Effect of wall corrugation on local convective heat transfer in coiled tubes

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    The present paper presents the application of an inverse analysis approach to experimental infrared temperature data with the aim of estimating the local convective heat transfer coefficient for forced convection flow in coiled pipe having corrugated wall. The estimation procedure here adopted is based on the solution of the Inverse Heat Conduction Problem within the wall domain, by adopting the temperature distribution on the external coil wall as input data of the inverse problem: the unwanted noise is filtered out from the infrared temperature maps in order to make feasible the direct calculation of its Laplacian, embedded in the formulation of the Inverse Heat Conduction Problem, in which the convective heat transfer coefficient is regarded to be unknown. The results highlighted the local effects of both wall curvature and of wall corrugation on the convection heat transfer augmentation mechanism

    Ombre ubbidienti. Servi neri e cannibali bianchi

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    Il saggio analizza, in tre testi letterari contemporanei, un uso metaforico della nozione di ombra – il servo di colore come ombra perturbante del padrone bianco – secondo lo schema fissato dal Man Friday di Daniel Defoe. I testi analizzati sono: "The Narrative of Jacobus Coetzee", secondo dei due racconti lunghi che compongono "Dusklands" (1974) di J. M. Coetzee; "Pantomime", un play di Derek Walcott del 1978; e infine il più celebre "Foe" di J. M. Coetzee, del 1986. Tutti e tre i testi, benché assai diversi tra loro, dialogano con "Robinson Crusoe" e il suo complesso trattamento del rapporto servo-padrone. All'interno di tale vasto tema, il tropo dell'uomo-ombra rappresenta una figura del discorso particolarmente resistente, e fonte inesauribile, sotto la penna di tre grandi scrittori, di tragedia ma anche ironia

    Kunstkamera. Ambivalenza assiologica dell'oggetto-ombra tra letteratura e cinema: Vaginov, Paradžanov e Švankmajer

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    L’indagine estetica di questi tre artisti è accomunata da uno spiccato interesse per l’oggetto, sia ricercato che di uso quotidiano. Il saggio mette in discussione l’ambivalenza insita in un oggetto, ambiguità espressa dalla dicotomia materialità-immaterialità, elemento quest’ultimo che consente di interpretare l’oggetto come una sorta di ombra di un’epoca passata
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