We investigate the strategic behavior of firms in a Hotelling
spatial setting. The innovation is to combine two important features that
are ubiquitous in real markets: (i) the location space is two-dimensional,
often with physical restrictions on …
In this paper, we quantify the statistical properties and dynamics of the frequency of hashtag use on Twitter. Hashtags are special words used in social media to attract attention and to organize content. Looking at the collection of all hashtags …