Senegal has experienced a rapid expansion in fixed and mobile broadband Internet infrastructure over the past decade. This paper examines the relationship between access to broadband internet and household welfare between 2011 and 2018 by integrating the latest two rounds of household budget...

We estimate the interaction between fixed and mobile usage both for voice and data services using consumer level data from April 2013 to March 2014 in a European country. We find a signi cant proportion of fixed voice consumption could be substituted by mobile voice, and vice versa. However, a...

We study peer influence in an online social network on a platform where consumers purchase music albums. They can follow their peers and become informed about their consumption choices. In particular, we are interested in how this affects consumers' exploration of new music that exhibits...

Over the past decade, the rapidly digitizing economy and expanding digital divide have attracted much attention in both academic and policy research. Access to computers and the Internet has become increasingly important in the digital age. This paper investigates the compounding impact of the...

This thesis consists of five independent chapters, studying how economic agents respond to unanticipated shocks. Chapter 1 shows that a well-intentioned policy can create unintended barrier to voting by creating seemingly small shocks to voting costs. Election administrators in Munich control...

Senegal has experienced a rapid expansion in fixed and mobile broadband internet infrastructure over the past decade. This paper examines the relationship between access to broadband internet and household welfare between 2011 and 2018 by integrating the latest two rounds of household budget...

Public subsidization of private goods often leads to crowd-out, reducing private spending. This effect is intended for a policy like the 2008 Lifeline phone subsidy expansion, which aimed to increase affordable access to services. Using state-level timing variation, I estimate that the expansion...