Consumer-product manufacturers, and retailers that sell their products, often sell slightly differentiated items for reasons other than appealing to heterogeneous tastes — different sizes of a popular brand, or different flavors in a common product line for instance. We argue that this...

This Supplemental Material includes, among other things, the analytical derivatives of the price-cost margins of manufacturers determined via the "Nash-in-Nash" bargaining solution, the computation of the out-of-equilibrium retail prices following a bargaining breakdown, the algorithm used to...

We develop a framework of bilateral oligopoly with a sequential two-stage game in which manufacturers engage in bilateral bargains with retailers competing on a downstream market. We show that bargaining outcomes depend on three different bargaining forces and can be interpreted in terms of...