Content-type: text/application/x-research-info-systems TY - JOUR AU - Allred, Brent B AU - Park, Walter G TI - Patent rights and innovative activity: evidence from national and firm-level data JA - J Int Bus Stud PY - 2007/07/26/online VL - 38 IS - 6 SP - 878 EP - 900 PB - Academy of International Business SN - 0047-2506 UR - http://dx.doi.org/10.1057/palgrave.jibs.8400306 ER -