1 Contributo su Rivista

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Business groups as knowledge-based hierarchies of firms

We provide the first worldwide overview of the patterns of hierarchical differentiation across Business Groups (BGs), highlighting the coexistence of different hierarchical shapes. We show how the different shapes can arise as optimal hierarchical structures in a knowledge-based model of BGs when subsidiaries’ operations involve problem-solving under parents’ supervision. The optimal choice of hierarchical structure is driven by production efficiency and two dimensions of problem-solving: eff...

The individual determinants of morning dream recall

Evidence suggests that (almost) everyone dreams during their sleep and may actually do so for a large part of the night. Yet, dream recall shows large interindividual variability. Understanding the factors that influence dream recall is crucial for advancing our knowledge regarding dreams' origin, significance, and functions. Here, we tackled this issue by prospectively collecting dream reports along with demographic information and psychometric, cognitive, actigraphic, and electroencephalogr...

Statistically validated projection of bipartite signed networks

Bipartite networks provide a major insight into the organisation of many real-world systems. One of the most relevant issues encountered when modelling a bipartite network is that of facing the information shortage concerning intra-layer linkages. In the present contribution, we propose an unsupervised algorithm to obtain statistically validated projections of bipartite signed networks, according to which any two nodes sharing a statistically significant number of concordant (discordant) rela...

Appunti e precisazioni sull’attività di Camillo Gavassetti

Camillo Gavassetti (1596–1630) fu tra i protagonisti della felice stagione artistica che in Emilia, nei primi decenni del Seicento, vide fiorire la pittura moderna. Benché negli ultimi anni gli studi ne abbiano maggiormente messo a fuoco il profilo, numerosi sono ancora i problemi aperti. In merito al tema della sua formazione, tradizionalmente ricondotta all’ambito di Bartolomeo Schedoni, più che discutere di un alunnato in senso canonico, si tratta di inquadrarne l’evoluzione stilistica ent...

«La Francia intera lo lesse»: strumenti per la storia editoriale del Calendrier des Bergers

The Calendrier des Bergers are among the most intriguing products of the early age of print culture in France. Originating in the late 15th century, these compilations of entertaining and informative texts designed for the cultured audience later evolved into a beloved reading choice and a highlight of the Bibliothèque Bleue, with continuous printing lasting until shortly after the French Revolution. This paper traces the editorial history of the Bergers, highlighting their unique chronologic...

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