Buyers have two levers to enhance their supply base performance: fostering supplier competition and inducing suppliers to improve. The competition-improvement relation between the two levers has important implications for supply base design. We study a buyer facing two potential suppliers that...

We study a buyer's strategic use of a dual-sourcing option when facing suppliers possessing private information about their disruption likelihood. We solve for the buyer's optimal procurement contract. We show that the optimal contract can be interpreted as the buyer choosing between...