When selling goods like wireless spectrum or electricity contracts, auction designers often opt for core-selecting mechanisms -- i.e., auctions that induce outcomes in the core -- in order to balance revenue and efficiency goals. But increasingly, auctions -- such as the FCC's 2016-17 Incentive...

We investigate the similarities and differences between matching markets and other canonical economic settings in the presence of complementarity. In particular, we explain the formal connections between the structure of matching markets with complementary contracts and games with strategic...

The literature has shown that complementarity places significant structure on outcomes in matching environments, games, and exchange economies. We examine the extent to which this structure, and the economic intuition underlying it, is common across these classes of environments. We show that...