Business bribery is a particularly serious problem in the integration era. First, this article investigates effects of institutional obstacles on firms’ 131 countries classified by nation income groups. Through appropriate proposal fitting functions, relationship between obstructions and predicted margin effect intuitively elucidated. Second, paper sheds light payment exports. Then analysis upg...

Abstract In iterative voting systems, candidates are eliminated in consecutive rounds until either a fixed number of is reached or the set remaining does not change anymore. We focus on systems based positional scoring rules plurality, veto, and Borda study their resistance against shift bribery attacks introduced by Elkind et al. [1] Kaczmarczyk Faliszewski [2]. constructive (Elkind [1]), an a...

Abstract Given a set of agents qualifying or disqualifying each other, group identification is the task identifying socially qualified subgroup agents. Social qualification depends on specific rule used to aggregate individual qualifications . The classical bribery problem in this context asks how many need change their order outcome certain way. Complementing previous results showing polynomia...

The bribery problem in election has received considerable attention the literature, upon which various algorithmic and complexity results have been obtained. In this setting, it is natural to ask whether we can protect an from potential attacks. We consider a scenario where protector (or defender) voter at some cost such that protected cannot be bribed (e.g., by isolating bribers). This leads f...