upstart 发表于 2025-3-30 11:29:34
https://doi.org/10.1007/978-3-662-26353-2ability of financial information relevant to our study, the random effects estimation is performed for a sample of 101 electronic firms obtained from the CMIE Prowess database for the time period 2002 to 2015. The price-cost margin turns out to be an important determinant of R&D expenditure and R&D