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On the value and optimal protection of a patent
Johansson, Per-Olov; Löfgren, Karl-Gustaf - 1994
Persistent link: https://www.econbiz.de/10000894330
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On the interpretation of "green" NNP measures as cost-benefit rules
Johansson, Per-Olov; Löfgren, Karl-Gustaf - 1994
Persistent link: https://www.econbiz.de/10000894378
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Welfare measurement and the health environment
Johansson, Per-Olov; Löfgren, Karl-Gustaf - 1993
Persistent link: https://www.econbiz.de/10000855428
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Wealth from optimal health
Johansson, Per-Olov; Löfgren, Karl-Gustaf - 1993
Persistent link: https://www.econbiz.de/10000865228
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Count data models : estimator performance and applications
Johansson, Per-Olov - 1993
Persistent link: https://www.econbiz.de/10000871988
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Truncation effect on a pseudo maximum likelihood covariance matrix estimator
Johansson, Per-Olov - 1993
Persistent link: https://www.econbiz.de/10000872957
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Speed limitation and motorway casualties : a time series count data regression approach
Johansson, Per-Olov - 1993
Persistent link: https://www.econbiz.de/10000872959
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The effect of economic incentives on worker absenteeism : an empirical study using Swedish micro data
Johansson, Per-Olov; Palme, Mårten - 1993
Persistent link: https://www.econbiz.de/10000872960
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Graphical diagnostics of endogeneity
DeLuna, Xavier; Johansson, Per-Olov - 2001
Persistent link: https://www.econbiz.de/10001618355
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Strategic investments in the pulp and paper industry : a count data regression analysis
Bergman, Mats A.; Johansson, Per-Olov - 2000
Persistent link: https://www.econbiz.de/10001502486