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A robust approach to dealing with zero expenditures on mobile communications
Yoo, Seung-hoon - In: Applied economics letters 10 (2003) 12, pp. 757-760
Persistent link: https://www.econbiz.de/10001819327
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Public R&D expenditure and private R&D expenditure : a causality analysis
Yoo, Seung-hoon - In: Applied economics letters 11 (2004) 11, pp. 711-714
Persistent link: https://www.econbiz.de/10002195772
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Assessing health efficiency across countries with a two-step and bootstrap analysis
Afonso, António; St. Aubyn, Miguel - In: Applied economics letters 18 (2011) 13/15, pp. 1427-1430
Persistent link: https://www.econbiz.de/10009347991
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Does information technology contribute to economic growth in developing countries? : A cross-country analysis
Yoo, Seung-hoon - In: Applied economics letters 10 (2003) 11, pp. 679-682
Persistent link: https://www.econbiz.de/10001820209
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Public and private investment rates of return : evidence for industrialized countries
Afonso, António; St. Aubyn, Miguel - In: Applied economics letters 17 (2010) 7/9, pp. 839-843
Persistent link: https://www.econbiz.de/10003996942