Using novel corporate Twitter data on all U.S. public firms, we show that firms with a Twitter account earn 50 basis points per month higher returns than similar firms without a Twitter account. This `Twitter premium' is higher among smaller firms and firms with higher fundamentals uncertainty,...

A guide devoted exclusively to social media metrics. Whether you are selling online, through a direct sales force, or via distribution channels, what customers are saying about you online is now more important than your advertising. Social media is no longer a curiosity on the horizon but a...

Understanding mobile customer experience and behavior is an important task for cellular service providers to improve the satisfaction of their customers. To that end, cellular service providers regularly measure the properties of their mobile network, such as signal strength, dropped calls, call...

Dynamic development of the Internet and electronic devices favours also its use in the marketing activity of enterprises what manifests itself in dynamic development of e-commerce or the use of the Internet for communication. Aim of this article is to evaluate the possibility of using Internet...

Along with the advancement of the Internet in the last decade, researchers have increasingly identified the web as a research platform and a data source, pointing out its value for labour market analysis. This article presents a review of online data sources for this field. Specifically, the...