The theoretically necessary and sufficient condition for the correspondence between `revealed'comparative advantage and pre-trade relative prices derived by Hillman (1980) is analyzed empricially for virtually all countries of the world over an extended period of time. This yields 10 stylized...

We analyze the impact of product bundling in experimental markets. One firm has monopoly power in a first market but competes with another firm à la Cournot in a second market. We compare treatments where the multi-product firm (i) always bundles, (ii) never bundles, and (iii) chooses whether...