@article{article, title = {{Returns to scale and curvature in the presence of spillovers: evidence from European countries}}, publisher = {{Oxford University Press (OUP)}}, url = {{http://dx.doi.org/10.1093/oep/gpv052 }}, year = {{2015}}, month = {{8}}, author = {{Glass AJ and Kenjegalieva K and Sickles RC}}, doi = {{10.1093/oep/gpv052}}, volume = {{68}}, journal = {{Oxford Economic Papers}}, issue = {{1}}, pages = {{40-63}}, note = {{Accessed on 2025/01/13}}}