1. Aarland K Davis J Henderson J Ono Y 2004 Spatial organization of firms: the decision to split production and administration
2. Abowd J Haltiwanger J Jarmin R Lane J Lengermann P McCue K McKinney K Sandusky K 2002 The relationship between human capital, productivity and market value: building up from micro evidence
3. Arnold JM 2005 Productivity estimation at the plant level: A practical guide
4. Financial and legal constraints to growth: Does firm size matter?;Beck;Journal of Finance,2005