The next RITM Economics Seminar will take place on Monday 4 november, in Gaudemet (Jean Monnet – 54 boulevard Desgranges – 92330 Sceaux) from 11:00 to 12:00. Risienne Mazengani (Univ. Paris-Sud) will present «Well-being in public transport : conditions, waste of time aversion, individual profile and online activities» and Théo Marquis (Univ. Paris-Sud) will present «The Work/Leisure Trade off in Online Labor Markets: The case of Amazon Mechanical Turk».