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- Herzing, Mathias, et al.
(author)
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Enhancing compliance with waste sorting regulations through inspections and motivational interviewing
- 2023
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In: Waste Management & Research. - 0734-242X .- 1096-3669. ; 41:8, s. 1342-1348
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Journal article (peer-reviewed)abstract
- This field experiment investigates the effect of first-time inspections of restaurants' waste sorting and explores whether motivational interviewing (MI) training of inspectors in this specific setting enhances the propensity of restaurants to be compliant with regulations. Our results show strong positive effects of first inspections with an average improvement of 55%. Also, the MI training of inspectors seems to affect compliance. However, this may also be a combined effect of the first inspection, MI training and more days between inspections. Further research is needed.
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- Jacobsson, Adam, 1970-, et al.
(author)
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Counter-Intuitive Effects of Domestic Law Enforcement Policies in the United States
- 2009
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In: Economics of Governance. - : Springer Science and Business Media LLC. - 1435-6104 .- 1435-8131. ; 10:14, s. 323-343
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Journal article (peer-reviewed)abstract
- In spite of the increase in domestic law enforcement policies in the U.S. drug related crime has followed a non-monotonic trend and cocaine and heroin prices, instead of increasing, have been dropping or remained stable over time. All this in a context of an increase in these drugs’ consumption during the 1980s and a small decrease during the 1990s. This paper provides an explanation to these counter-intuitive effects of domestic law enforcement policies. We model how drug lords respond to this type of policy within a conflict framework over the control of distribution activities for illegal drugs, which is novel. The model predicts drug distribution activities, drug prices and drug consumption. These predictions appear to be consistent with the empirical evidence in the United States.
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- Jacobsson, Adam, 1970-
(author)
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War and Peace – Cyclical Phenomena?
- 2009
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In: Public Choice. - : Springer Science and Business Media LLC. - 0048-5829 .- 1573-7101. ; 141:3-4, s. 467-480
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Journal article (peer-reviewed)abstract
- This paper demonstrates how the analysis can differ dramatically between two common static modeling approaches to conflict. The first approach uses a one-period setup and associates positive arms investments with conflict. The second approach has two periods, where arming decisions are taken in the first period, and the decision on whether to go to war is taken separately in the second. Building on the latter approach, I introduce a repeated game protocol with myopic players. Under these circumstances countries may end up in cycles of war and peace. This result offers a novel explanation for a common pattern in history.
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- Jacobsson, Jesper, 1984-, et al.
(author)
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An open-access database and analysis tool for perovskite solar cells based on the FAIR data principles
- 2022
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In: Nature Energy. - : Springer Nature. - 2058-7546. ; 7:1, s. 107-115
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Journal article (peer-reviewed)abstract
- Large datasets are now ubiquitous as technology enables higher-throughput experiments, but rarely can a research field truly benefit from the research data generated due to inconsistent formatting, undocumented storage or improper dissemination. Here we extract all the meaningful device data from peer-reviewed papers on metal-halide perovskite solar cells published so far and make them available in a database. We collect data from over 42,400 photovoltaic devices with up to 100 parameters per device. We then develop open-source and accessible procedures to analyse the data, providing examples of insights that can be gleaned from the analysis of a large dataset. The database, graphics and analysis tools are made available to the community and will continue to evolve as an open-source initiative. This approach of extensively capturing the progress of an entire field, including sorting, interactive exploration and graphical representation of the data, will be applicable to many fields in materials science, engineering and biosciences.
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