Before revision:  Following the seminal work of Downs (1957)  , we assume that voters are rationally inattentive and can process information about candidates' random policies at a cost proportional to entropy reduction as in Sims (1998) and Sims (2003).
After revision:  Following the seminal work of Downs (1957) , we assume that voters are rationally inattentive and can process information about the policies at a cost proportional to entropy reduction as in Sims (1998) and Sims (2003).