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Dynamic Treatment Assignment : The Consequences for Evaluations Using Observational Data

Fredriksson, Peter; Johansson, Per - 2004

This paper discusses the evaluation problem using observational data when the timing of treatment is an outcome of a stochastic process. We show that the duration framework in discrete time provides a fertile ground for effect evaluations. We suggest easy-to-use nonparametric survival function...

Persistent link: https://www.econbiz.de/10010261825

Sick of your colleagues' absence?

Hesselius, Patrik; Johansson, Per; Nilsson, Peter - 2009

by work absence. The experiment altered the work absence incentives for half of all employees living in Göteborg, Sweden …

Persistent link: https://www.econbiz.de/10010268993

Non-parametric inference for the effect of a treatment on survival times with application in the health and social sciences

Luna, Xavier de; Johansson, Per - 2009

In this paper we perform inference on the effect of a treatment on survival times in studies where the treatment assignment is not randomized and the assignment time is not known in advance. Two such studies are discussed: a heart transplant program and a study of Swedish unemployed eligible for...

Persistent link: https://www.econbiz.de/10010269367

Cross-border health and productivity effects of alcohol policies

Johansson, Per; Pekkarinen, Tuomas; Verho, Jouko - 2012

cut in the Finnish alcohol tax on mortality, alcohol related illnesses and work absenteeism in Sweden. This tax cut led to … the Finnish border are compared to changes in other parts of northern Sweden. We use register data where micro level data … outcomes. Our results on the effect of the Finnish tax cut on mortality and alcohol-related hospitalisations in Sweden are very …

Persistent link: https://www.econbiz.de/10010282165

Early interventions and disability insurance: Experience from a field experiment

Engström, Per; Hägglund, Pathric; Johansson, Per - 2012

This paper estimates the effects of early interventions in the Swedish sickness insurance system. The aim of the interventions is to screen and, further to, rehabilitate sick listed individuals. We find that the early interventions - in contrast to what is expected - increase the inflow into...

Persistent link: https://www.econbiz.de/10010282634

What is the right profile for getting a job? A stated choice experiment of the recruitment process

Eriksson, Stefan; Johansson, Per; Langenskiöld, Sophie - 2012

We study the recruitment behavior of Swedish employers using data from a stated choice experiment. In the experiment, the employers are first asked to describe an employee who recently and voluntarily left the firm, and then to choose between two hypothetical applicants to invite to a job...

Persistent link: https://www.econbiz.de/10010284001

Testing for nonparametric identification of causal effects in the presence of a quasi-instrument

DeLuna, Xavier; Johansson, Per - 2012

The identification of average causal effects of a treatment in observational studies is typically based either on the unconfoundedness assumption or on the availability of an instrument. When available, instruments may also be used to test for the unconfoundedness assumption (exogeneity of the...

Persistent link: https://www.econbiz.de/10010284025

Income inequality and health: Lessons from a refugee residential assignment program

Grönqvist, Hans; Johansson, Per; Niknami, Susan - 2012

This paper examines the effect of income inequality on health for a group of particularly disadvantaged individuals: refugees. Our analysis draws on longitudinal hospitalization records coupled with a settlement policy where Swedish authorities assigned newly arrived refugees to their first area...

Persistent link: https://www.econbiz.de/10010286873