1. Statistical inference about Markov chains;Anderson;Annals of Mathematical Statistics,1975
2. Small business. How many jobs?;Armington;Brookings Review,1982
3. Who creates jobs?;Birch;Public Interest,1981
4. Does firm size matter?;Boeri;Giornale degli Economisti e Annali di Economia,1989
5. Does firm size matter?;Boeri;Giornale degli Economisti e Annali di Economia,1989