Results

Journal article

The Quarterly Journal of Economics:

Quantifying the sources of firm heterogeneity

We develop and structurally estimate a model of heterogeneous multiproduct firms that can be used to decompose the firm-size distribution into the contributions of costs, "appeal" (quality or taste), markups, and product...Read more...

CEP discussion paper

What is 'firm heterogeneity' in trade models? The role of quality, scope, markups and cost

We estimate a structural model of heterogeneous multiproduct firms to examine the sources of firm heterogeneity emphasized in the recent trade and macro literatures. Using Nielsen barcode data on prices and sales, we est...Read more...