Optimal lobbying pricing

Abstract We study a game with two candidates and interest groups. The groups offer kinds of costly contributions to achieve political influence: (a) pre-election campaign their favourite that increase probability winning the election (b) post-election lobbying candidate affect implemented policy. are first act by strategically choosing prices they will charge if elected. characterise equilibrium values set as well levels chosen show, endogenously, in case symmetric politicians, announces group supports her lower price, justifying this way preferential treatment certain from politicians office. also consider extensions (asymmetric who do not commit announced prices) show results benchmark model hold under specific conditions.