Fig. 2From: The role of R&D and economic policy uncertainty in Sri Lanka’s economic growthTFP and R&D trends. The figure shows that movements of TFP and R&D indicators over time. \(lnA\), \(lnRD\), and \(lnPATENT\) denote, respectively, the logarithms of TFP, real R&D expenditure, and patent applications from residents. The sample period is from 1980 to 2018Back to article page