1. The missing link:The knowledge lter entrepreneurship and endogenous growth;Acs,2004
2. Penetrating the "knowledge lter" in regionaleconomies;Acs;The Annals of Regional Science,2005
3. Spillovers, foreign investment, and export behavior;Aitken;J. Int. Econ.,1997
4. Anglo American sustainable development report (2014). Focus: effective partnerships. Retrieved from 〈http://www.angloamerican.com//media/Files/A/AngloAmerican-PLC-V2/report-builder-2014/sdr/sdr14-interactive-version.pdf〉.
5. Natural resources and local communities: evidence from a Peruvian gold mine;Aragón;Am. Econ. J.: Econ. Policy,2013