This paper evaluates whether competition hinders or spurs investment in a network industry. When a network is split between competitors, potential network effects are foregone. However, a firm may invest in components that are not shared, to steal customers from its competitors. I structurally...

In recent years, enormous changes are noted worldwide when broad adoption of new Information and Communication Technologies (ICTs). These unique technologies – often perceived as economic development incentives – have a great ability to spread at high pace and low cost in world countries,...

The paper unveils whether ICT diffusion determines development of financial innovation in emerging economies. Particularly, we examine the impact of ICT adoption on changing values of exchange traded funds in Brazil and Mexico, comparing it to the United States as reference country (benchmark)....

We consider some two dynamic models of entry in mobile telephony, with and without strategic pricing, and taking into account market penetration at entry, locked-in consumers and tariff-mediated network externalities. We show that on/off-net differentials may reduce the possibility of entry if...

This paper questions whether competition can replace sector-specific regulation of mobile telecommunications. We show that the monopolistic outcome may prevail independently of market concentration when access prices are determined in bilateral negotiations. A lighthanded regulatory policy can...

I study how firms actually compete in nonlinear tariffs by analyzing whether the incumbent and entrant's decisions to offer a given number of tariff options are interrelated. The goal is to shed some light on those dynamic and strategic aspects of tariff menus that are currently ignored by...

This paper proposes to incorporate product customization in the Maskin and Riley (1984) nonlinear pricing model in order to capture major features of mobile service data. In particular, consumers are characterized by a two-dimensional type. One dimension is observed by the provider and...

We analyze how termination charges a ect retail prices when taking into account that receivers derive some utility from a call and when rms may charge consumers for receiving calls. A novel feature of our paper is that we consider passive self-ful lling expectations and do not allow for negative...

In this article I analyze the effects of a recent reform intended to decrease switching costs in the cellular industry. The reform, implemented in Chile in 2012, allowed cell phone users to switch operators without any contract restriction while keeping their wireless number. Its aim was the...

We use rich survey data on 133,825 households from 27 EU countries during 2005-2011 to analyze substitution between fixed-line and mobile telecommunications services. We estimate a discrete choice model where households may choose between having mobile or fixed-line voice access only, or using...