In the paper, we study a model of influence in a social network. It is assumed that each player has an inclination to say YES or NO which, due to influence of other players, may be different from the decision of the player. The point of departure here is the concept of the Hoede-Bakker index -...

The paper concerns a model of influence in which agents make their decisions on a certain issue. It is assumed that each agent is inclined to make a particular decision, but due to a possible influence of the others, his final decision may be different from his initial inclination. Since in...

Le imprese grazie ai social media dispongono di nuovi strumenti - digitali e interattivi - per raggiungere il pubblico; i consumatori li utilizzano per condividere contenuti di vario genere, tra i quali: esperienze personali, opinioni e consigli che hanno per oggetto anche brand e prodotti. Non...

Il lavoro si propone di contribuire al dibattito teorico sulla Viral Marketing Communication indagando, attraverso l’analisi di un caso studio, gli effetti ed impatti prodotti da una campagna di VMC sui risultati di impresa. Lo studio analizza i meccanismi e le dinamiche che governano una...

When one's treatment status affects the outcomes of others, experimental data are not sufficient to identify a treatment causal impact. In order to account for peer effects in program response, we use a social network model. We estimate and validate the model on experimental data collected for...

Community (or village) characteristics have received growing attention as researchers have sought factors affecting health. This study examines the association between a variety of environmental, economic, and social village characteristics and health of Chinese older rural adults with health...

This review gathers together and synthesises research relating to young people's experiences of social support during their transition from state care. A systematic approach was used to identify relevant studies published since 2001 and forty-seven were found which met the inclusion criteria....

Since 2003, a grass-roots movement of New Rural Reconstruction (NRR) has emerged to promote sustainable agricultural development in China. The NRR is regarded as an alternative development model for its distinct initiative based on rural social and cultural reconstruction. To provide profound...

Using the network of university classmates among corporate directors and politicians and the regression discontinuity design of close gubernatorial elections from 1999 to 2010, we identify the positive and significant impact of social-network based political connections on firm value. Firms...

Using networks of university classmates among corporate directors and U.S. congressmen and the regression discontinuity design of close elections from 2000 to 2008, we identify a significant but widely varying impact of political connections on firm value. Surrounding the election day,...