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Robustness of econometrically estimated local multipliers across different methods and data
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Jasper Jacob Van Dijk 《Journal of regional science》2018,58(2):281-294
Local traded‐goods employment multiplier estimates play an important role in the decision making of local policy makers. Therefore, it is important to understand the robustness of the approaches and quality of the data used in empirical studies. The local employment multiplier estimates by Moretti (AER; 2010) are a good benchmark for departure. In this paper, I find the traded‐goods multiplier falls within the range of 1.17 to 1.93, which is substantially lower than the estimate of 2.6 obtained by Moretti. I use multiple estimators in combination with two data sets, a range of controls and different ways of classifying traded industries to show the robustness and variability of local employment multiplier estimates. Finally, I demonstrate the sensitivity of Moretti's results. The most notable result being that Moretti's multiplier for separate skilled or unskilled workers in the nontraded sector is overestimated by a factor of 2. 相似文献
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Charlotte Skau Pawlowski Henriette Bondo Andersen Jan Arvidsen Jasper Schipperijn 《Children's Geographies》2019,17(6):664-675
ABSTRACTInsights into children’s perceptions of their changing recess geographies are absent. The current paper provides qualitative evidence from 5 renewed schoolyards by investigating children’s perceptions of their new schoolyards. Ten focus groups (2 at each school) including go-along interviews were conducted, in total 57 4 to 8 graders (28 girls). The functional aspects of the altered child–environment relationship were assessed using Gibson’s concept of affordance, and changes in the meanings ascribed to the schoolyards by the children were studied by engaging a concept of place. Our findings reveal that schoolyards offering multiple potential affordances for physical activity seem more likely to engage a broader group of children in recess physical activity. The analysis, however, could point to a difference between places designed for children’s play and places where children actually play. To optimise actualisation of the potential affordances for recess physical activity, involving children throughout intervention planning and decision-making is crucial. 相似文献