References
- Acs , ZJ , Audretsch , DB , Braunerhjelm , P and Carlsson , B . 2004 . “ The missing link: the knowledge filter and entrepreneurship in endogenous growth ” . In CEPR Discussion Paper 4783
- Agarwal , R . 1998 . Evolutionary trends of industry variables . International Journal of Industrial Organization , 16 : 511 – 25 .
- Baumol , WJ , Panzar , JC and Willig , RD . 1982 . Contestable Markets and the Theory of Industry Structure , New York : Harcourt Brace Jovanovic .
- Fritsch , M . 2007 . Introduction: the effects of new businesses on economic development in the short, medium and long run . Small Business Economics , 28
- Fritsch , M and Brixy , U . 2004 . The establishment file of the German social insurance statistics . Schmollers Jahrbuch , 124 : 183 – 90 .
- Fritsch , M , Mueller , P and Weyh , A . 2005 . Direct and indirect effects of new business formation on regional employment . Applied Economics Letters , 12 : 545 – 8 .
- Im , KS , Pesaran , MH and Shin , Y . 2002 . “ Testing for Unit Roots in Heterogeneous Panels ” . In DAE Working Papers Amalgamated Series 9526 , University of Cambridge .
- Mueller , P . 2006 . Exploring the knowledge filter: how entrepreneurship and university-industry relations drive economic growth . Research Policy , 35 : 1499 – 508 .
- Pedroni , P . 1999 . Critical values for cointegration tests in heterogeneous panels with multiple regressors . Oxford Bulletin of Economics and Statistics , 61 : 653 – 70 .
- Romer , PM . 1986 . Increasing returns and long-run growth . Journal of Political Economy , 94 : 71 – 102 .