This paper investigates the role played by the smartphone for the quality of social interactions and subjective well-being. We argue that the intrusiveness of the smartphone reduces the quality of face-to-face interactions and their positive impact on well-being. We test this hypothesis in a...

The use of mobile phones in poverty reduction and development has ignited much interest over the past decade. To take advantage of the rapid expansion of mobile phones in developing countries, businesses, government agencies and non-governmental organisations are increasingly turning their...

We investigate the relationship between cell phones and brain cancer using brain cancer death rates for 86 countries between 1990 and 2014 from the World Health Organization and country-level mobile phone subscription rates from the World Bank. We estimate difference-in-difference models...

In this project, we analyzed whether mobile phone-based surveys are a feasible and cost-effective approach for gathering statistically representative information in four low-income countries (Afghanistan, Ethiopia, Mozambique, and Zimbabwe). Specifically, we focused on three primary research...

In November 2000, Vodaphone (then J-Phone) introduced the world's first camera phone made by Sharp. It was an instant hit with Japanese youth. At the time, Vodaphone was Japan's number three service provider trailing the market leader DoCoMo, run by NTT, and the second place service provider au,...

This paper develops a method to estimate and simulate the adoption of a network good. I estimate demand for mobile phones as a function of individuals’ social networks, coverage, and prices, using transaction data from nearly the entire network of Rwandan mobile phone subscribers at the time,...

In a recent literature, the structural properties of knowledge networks have been pointed out as a critical factor for cluster structural changes and long run dynamics. Mixing evolutionary economic geography and network-based approach of clusters, this contribution aims at capturing and...

Developing a database that includes 59 countries, our study sheds light on the role of mobile telecommunications markets' concentration on countries' competitiveness.Performing several estimations and using an instrumental variable that aims to explain the degree of concentration in mobile phone...

The current problems in mobile telephony are leading critics to make overly pessimistic predictions that 3G - the third-generation mobile phone system - will never become profitable. However, the resulting calls not to introduce 3G and instead directly back alternative wireless technologies...

Smartphones have revolutionized how individuals use consumer electronics and consume digital goods. I examine the extent to which smartphones have substituted other digital devices and expanded overall digital consumption. To do so, I use newly available Korean panel survey data on individuals'...