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R&D expenditure and sales : a nonparametric analysis
Nahm, Joon-woo - In: Journal of economic theory and econometrics : journal … 2 (1996) 1, pp. 103-124
Persistent link: https://www.econbiz.de/10001561928
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Spending on private education : semiparametric estimation approach
Nahm, Joon-woo; Hong, Woo-hyung - In: The journal of the Korean economy 10 (2009) 3, pp. 307-339
Persistent link: https://www.econbiz.de/10009777456
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A cohort analysis of wealth-age profiles : lessons from PSID
Nahm, Joon-woo; Schoeni, Robert F. - In: The Korean economic review 26 (2010) 1, pp. 59-78
Persistent link: https://www.econbiz.de/10009130808