The purpose of this research is to determine whether Internet telephony has had a negative impact on a country’s telecommunications infrastructure. Using panel data the statistical analysis shows that call-back did not have a negative effect on infrastructure and high income countries...

In this paper, we study the dynamics of the market for Database Management Systems (DBMS), which is commonly assumed to possess network effects and where there is still some viable competition in our study period, 2000 – 2004. Specifically, we make use of a unique and detailed dataset on...

This study analyzes the adoption and use of information communication technologies (ICTs) by firms and their effects on employment and wages. I use a confidential data set from Turkey that includes detailed surveys focused on how ICTs and the Internet are used by firms. By using the rich survey...

We study bilateral cross-licensing agreements among N( 2) firms that engage in competition after the licensing phase. It is shown that the most collusive cross-licensing royalty, i.e. the one that allows the industry to achieve the monopoly profit, is sustainable as the outcome of bilaterally...

An increasing proportion of transactions in two-sided markets are being mediated by online platforms. Presumably, agents choose to use online platforms because they have a lower transaction cost technology compared to alternatives. I use data from a growing online platform that matches travelers...

We investigate how the expansion of Craigslist into different states over a 11 year period in the United States affected the incidence of HIV. Using a natural experiment setup, we identify the effects of Craigslist's entry on HIV trends by exploiting the variations across states and time. After...

We present preliminary results from a small-scale natural field experiment aimed at exploring online social contagion, with an application to charitable giving. We worked in partnership with Heifer International, a non-profit organization aimed at fighting poverty in developing countries, and...

We investigate the impact of backward compatibility on the adoption of multi-generation platforms. Our context is a mobile platform where platform users download services from third party providers. For each hardware platform generations, the services depend greatly on the embedded...

The purpose of the current work is to investigate how country-level and region-specific characteristics influence the adoption of a major financial telecommunication innovation and standard (SWIFT) in the banking sector. Using annual data on the diffusion and usage intensity of SWIFT between...

The Internet has had profound effects on society, both positive and negative. In this paper we examine the effect of the Internet on a negative spillover: hate crime. In order to better understand the link, we study the extent to which broadband availability affects racial hatecrimes in the US...