Table 6 Definitions and sources of the variables
From: The role of R&D and economic policy uncertainty in Sri Lanka’s economic growth
Variable | Definition/Full name | Source |
|---|---|---|
Y | Gross domestic product. For Sri Lanka, this is GDP at constant prices (Rs. billion, 2010) and for Japan, this is GDP at constant 2011 national prices (in mil. 2011US$) | Sri Lanka: IMF WEO, GDP Constant Prices, Rs. Billion, 2010 Japan: PWT9.0 |
L | Labour force. Sri Lanka’s labour force. For Japan, this is the number of persons engaged (in millions) | Sri Lanka: World Bank, WDI and CBSL, Labor force total Japan: PWT9.0 |
RD | Research and development (R&D). Sri Lanka’s R&D is computed by scaling R&D (% of GDP) by 100 and multiplying the result by nominal GDP (Rs. Million). For Japan, this is R&D expenditure, in million US dollars | Sri Lanka: World Bank, WDI Research and development expenditure (% of GDP) Japan: OECD, https://data.oecd.org/rd/gross-domestic-spending-on-r-d.htm |
A | This is the total factor productivity (TFP) measured in constant national prices (2011 = 100) for Sri Lanka and Japan | Sri Lanka: FRED Japan: PWT9.0 |
PATENT | Number of Patent Applications | Sri Lanka: WIPO and NIPO Japan: World Development Indicators |
EPU | Economic policy uncertainty. This is the news-based World Uncertainty Index for Sri Lanka, constructed by Ahir et al. (2018) |