For both practitioners and researchers, span of control plays an important role in defining and understanding the role of the CEO. In this paper, we combine organizational chart information for a sample of 65 companies with detailed data on how their CEOs allocate their work time, which we...

Verimlilikteki artış uzun dönemde ekonomik büyümenin temel kaynaklarından biridir. Ülkeler verimlilikte artış sağlamak için çeşitli politikalar uygulamaktadır. Bu makalenin amacı Türk telekomünikasyon sektöründe teknik etkinlikte iyileşme sağlayarak verimlilikte artış...

IP/MPLS service providers rely on transport networks to provide bandwidth on demand with the lowest possible provisioning time. However, due to the static nature of transport networks and the differences in the communication languages and switching systems, the IP/MPLS and transport network...

This model discusses mobile network operators' (MNOs) incentives to invest in their network facilities such as new 4G networks under various regimes of data roaming charge regulation. Given an induced externality of investments (spillovers) due to the roaming agreements it will be shown that...

We study how the vertical industry structure affects investment in network quality and social welfare, with a focus on the prospective deployment of high-speed broadband access networks (the so-called NGA). We model pros and cons of vertical separation, namely, pro-competitive effects and loss...

I present a vertical differentiation model to assess the quality-wise strategy of an incumbent telecommunications operator under open access regimes. I show that it is always profitable for an incumbent subject to wholesale regulation to degrade wholesale quality in a non-recoverable fashion....

This paper analyses the evolution of Corporate Governance (CG) mechanisms and organizational changes of the Hellenic Telecommunication Organization (HTO) and has two objectives: to enrich the debate and to contribute to the increasing body of literature by examining and analyzing the...

We argue that the optimal configuration of contractual and relational governance mechanisms in an alliance is contingent not only on the amount of asset specificity, but on the nature of the asset involved in the alliance. Physical assets are more suited to contractual controls, while knowledge...

The liberalization of telecommunications is largely based on the premise that increasing competition will encourage investment. The hypothesis that liberalization promotes investment has received the most empirical support in recent research. However, a key question that has been largely ignored...