This article provides an exploratory systematic mapping of the global ecosystem of COVID-19 pandemic response apps. After considering policy updates by Google Play’s and Apple’s App Store, we analyse all the available response apps in July 2020; their different response types; the apps’...

We study how website defaults affect consumer behavior in the domain of charitable giving. In a field experiment that was conducted on a large platform for making charitable donations over the web, we exogenously vary the default options in two distinct choice dimensions. The first pertains to...

Ad blockers allow Internet users to obtain information without generating ad revenue for site owners; and by 2016 they were used by roughly a quarter of site visitors. Given the ad-supported nature of much of the web, ad blocking poses a threat to site revenue and, if revenue losses undermine...

Chapter 1. Introduction to the Role of Information and Communication Technologies in Polarization (Israr Qureshi, Babita Bhatt, Samrat Gupta and Amit Anand Tiwari) -- Part I: Techniques and Methods -- Chapter 2. A Schelling-opinion model based on integration of opinion formation with residential...

The global COVID-19 pandemic has disproportionately intensified the precariousness of insecure work. This article examines the impact of the COVID-19 crisis on platform-based food-delivery drivers in China, particularly focusing on labour conditions. Drawing on 52 in-depth interviews with...

A lack of platform-level competition among digital marketplaces can result in socially inefficient platform design and meaningful welfare losses, even independent of actively anticompetitive behavior. To illustrate the first-order effects platform design can have on competitive outcomes, I...