This is a tutorial given at EASSS-2018, introducing different aspects related to communication in collective decision-making. The slides are available here

Case studies: Voting

Two voting rules, Incremental elicitation, Determining a Condorcet Winner, Monitoring of Elections and Compilation complexity

Case studies II: Multiagent Resource Allocation

Envy-free allocations, Contract-based negotiation

Case studies III: Spreading and Sharing Information

Gossip problem