Electoral mobilization and persuasion are often characterized as two-stage processes, where parties activate their core supporters, who then mobilize persuade larger shares of the electorate. While there is a lot research on second stage this process, wider electorate by party activists, little causally identified evidence whether elites can encourage campaign activism among members sympathizer...

We introduce endogenous political parties into the Hotelling-Downs voting framework to model the selection of candidates. First, activists choose which party to join, if at all. Second, party members select a champion for the general election. Third, the electorate median voter determines the (stochastic) general election outcome. Although party members trade off win probabilities candidate loc...

In this paper we consider the optimistic approach of the non-repudiation protocols. We study a non-repudiation protocol with off-line trusted third party and we keep on with the definition of the multi-party non-repudiation, compare it to multi-party fair exchange and show some fundamental differences between these two problems. Finally, we generalize our protocol and propose a multi-party non-...