Tjandrawinata, Raymond R.; Simanjuntak, Destrina Grace - Volkswirtschaftliche Fakultät, … - 2012
, specifically the impact of R&D expenditure, profitability, and sales revenue on firms’ productivity, R&D intensity, in … negative impact in increasing significantly the firms’ amount of R&D intensity in research-based pharmaceutical industries. …-year lagged R&D expenditure (t-1) and lagged profitability (t-1) to be positive in increasing significantly the firms’ amount of R&D …