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Using internal replication to establish a treatment effect
Johansson, Per-Olov (contributor) - 2006
Persistent link: https://www.econbiz.de/10003319392
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Assessing the effect of a compulsory sickness insurance on worker absenteeism
Johansson, Per-Olov; Palme, Mårten - 1998
Persistent link: https://www.econbiz.de/10000167986
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Tests for serial correlation and overdispersion in a count data regression model
Johansson, Per-Olov - 1994
Persistent link: https://www.econbiz.de/10000901899
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Investment decisions, future consumption and sustainability under optimal growth
Aronsson, Thomas; Johansson, Per-Olov; Löfgren, Karl-Gustaf - 1995
Persistent link: https://www.econbiz.de/10000904305
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On the proper treatment of defensive expenditures in "green" NNP measures
Aronsson, Thomas; Johansson, Per-Olov; Löfgren, Karl-Gustaf - 1995
Persistent link: https://www.econbiz.de/10000908805
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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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Welfare measurement and the health environment
Johansson, Per-Olov; Löfgren, Karl-Gustaf - 1993
Persistent link: https://www.econbiz.de/10000855428