We show how increased competition in a media market may have implications for the competition between firms that are advertising in that medium. We apply a simple model of a product market with network externalities where firms buy advertising space in a media market and find that there is more...

We develop a framework for analyzing national income accounting using a revealed welfare approach that is sufficiently general to cover, e.g., both the standard discounted utilitarian and maximin criteria as special cases. We show that the basic welfare properties of comprehensive national...

The present study applies a particular econometric framework which allows for complex non-convex budget sets, highly non-linear labor supply curves and imperfect markets with institutional constraints. A married couple version of the model is estimated on Italian microdata. The empirical results...