In this work we study the time evolution of interlocking directorates in Italy from 1998 to 2011 by means of dynamical networks. Our purpose is to assess if in Italy there is a connected and stable structure, due to the presence of directors with multiple mandates, like it happens in the German...

Twitter, one of the several major social media platforms, has been identified as an influential factor to financial markets by multiple academic and professional publications in recent years. The motivation of this study hinges on the growing popularity of the use of social media and the...

There are many situations in which a customer's proclivity to buy the product of any firm depends not only on the classical attributes of the product such as its price and quality, but also on who else is buying the same product. We model these situations as games in which firms compete for...

There are many situations in which a customer’s proclivity to buy the product of any firm depends not only on the classical attributes of the product such as its price and quality, but also on who else is buying the same product. Under quite general circumstances, it turns out that...

IBM. ATT. Microsoft. Intel. IBM (redux). Google. Twitter. Facebook. All are present or former leaders in key high-tech sectors. These firms also all have been the subject of serious antitrust scrutiny over the past three decades. All have been referred to at different times as “monopolies”...

We provided an integrative model linking ambidexterity, absorptive capacity and networks. External networks, measured through centrality and multiplexity, and internal networks through behavioral context, dual structure and top management teams affect an organization’s ambidexterity. In...

Organizational and sociological research dealing with network governance has mainly focused on network advantages rather than on their problems or dysfunctionalities. This left partially unexplored the field of network failure. Even if some early attempts at explicitly theorizing network...

In many industries, firms reward their customers for making referrals. We analyze the optimal policy mix of price, advertising intensity, and referral fee for a monopoly when buyers choose to what extent to refer other consumers to the firm. We find that the firm uses its referral fee, but not...

Jun and Kim (2008) consider the optimal pricing and referral strategy of a monopoly that uses a consumer communication network to spread product information. They show that for any finite referral chain, the optimal policy involves a referral fee that provides strictly positive referral...