R&D intensity, firm performance and the identification of the threshold: fresh evidence from the panel threshold regression model
2013 ◽
Vol 45
(3)
◽
pp. 203-214
◽
2021 ◽
pp. 1-24
2018 ◽
Vol 21
(2)
◽
pp. 261
2020 ◽
Vol 15
(3)
◽
pp. 353-359
◽
2018 ◽
Vol 21
(2)
◽
pp. 261
2008 ◽
Vol 5
(4)
◽
pp. 119-127
◽