We introduce strategic interactions with quantity competition a` la Cournot and endogenous entry in an RBC model with homogenous goods. In the long run, the steady state mark up is decreasing in the capital share, in the discount factor and in the level of technology, while it is increasing in...

We generalize the demand side of a Real Business Cycle model introducing non-homothetic preferences over differentiated final goods. Under monopolistic competition this generates variable markups that depend on the level of consumption. We estimate a flexible preference specification through...