Unlike technologies that are applicable in a few specific industries, information technologies have a wide range of applicability across almost all industries. The fundamental principles of good IT management are also applicable in many industries. Thus, firms whose business units operate in different industries have an opportunity to exploit cross-unit IT synergies by applying their IT resourc...

In this dissertation, I examine the role of CEOs and corporate diversification on corporate social performance (CSP). In the first essay of the dissertation, I evaluate the financial implications of corporate social performance and assess the validity of a widely used measure of social performance, the KLD social ratings. In the first part of this essay, I examine the relationship between CSP a...

Since the seminal work of Teece et al. (1994) firm diversification has been found to be a non-random process. The hidden deterministic nature of the diversification patterns is usually detected comparing expected (under a null hypothesys) and actual values of some statistics. Nevertheless the standard approach presents two big drawbacks, leaving unanswered several issues. First, using the obser...

This empirical paper analyses the importance of information and communications technologies (ICT) in the technological diversification trend among the world's largest manufacturing firms during the 1980s and 1990s. The objective of the research is twofold: firstly, to emphasise the emerging differences among technologies when companies from different industries patent outside their traditional ...

I document the time-varying investment efficiency of conglomerates compared with single-segment firms. find that, during recessions, have higher Q-sensitivity than do stand-alone firms, in contrast to relationship expansion periods. also that conglomerates, benefits from internal capital markets, exhibit increased dependence on recessionary periods, while firms significantly increase cash reten...