We ask whether social welfare losses are indeed lower when supervisors intervene rather than not. We use the sand pile/Abelian model as a metaphor to model financial losses which, as sand grains that ...

Workers on Jan. 29 began driving sand piles to shore up the soft seabed on the north side of Henoko in Nago, Okinawa Prefecture, as part of the relocation of a U.S. air base in the prefecture.