References
- Bae , J. P. 1997 . Drug patent expirations and the speed of generic entry . Health Services Research , 32 : 87 – 101 .
- Daunfeldt , S. -O. , Orth , M. and Rudholm , N. 2005 . Entry into local retail food markets in sweden: a real options approach . HUI Working Paper No. 1, The Swedish Research Institute of Trade (HUI) . 2005 , Stockholm, Sweden.
- Daunfeldt , S. -O. , Rudholm , N. and Bergström , F. 2006 . Entry into Swedish retail – and wholesale trade markets . Review of Industrial Organization , 29 : 213 – 25 .
- Geroski , P. A. 1995 . What do we know about entry? . International Journal of Industrial Organization , 13 : 421 – 40 .
- Rudholm , N. 2001 . Entry and the number of firms in the Swedish pharmaceuticals market . Review of Industrial Organization , 19 : 351 – 64 .
- Scott-Morton , F. M. 1999 . Entry decisions in the generic pharmaceutical industry . RAND Journal of Economics , 30 : 421 – 40 .