1. Three essays on productivity growth;Bartelsman,1991
2. Customer and supplier driven externalities;Bartelsman;American Economic Review,1994
3. The NBER productivity database: 1994 revision;Bartelsman,1994
4. Of empty economic boxes;Clapham,1952
5. The relation between price and marginal cost in U.S. industry;Hall;Journal of Political Economy,1988