scholarly journals Agglomeration economies, related and unrelated variety in Brazil

2018 ◽  
Author(s):  
Jaqueline Moraes ◽  
Ivette Luna
1984 ◽  
Vol 58 (1) ◽  
pp. 23-30
Author(s):  
Donald S. Martin ◽  
Ming-Shiunn Huang

The actor/observer effect was examined by Storms in a 1973 study which manipulated perceptual orientation using video recordings. Storms' study was complex and some of his results equivocal. The present study attempted to recreate the perceptual reorientation effect using a simplified experimental design and an initial difference between actors and observers which was the reverse of the original effect. Female undergraduates performed a motor co-ordination task as actors while watched by observers. Each person made attributions for the actor's behaviour before and after watching a video recording of the performance. For a control group the video recording was of an unrelated variety show excerpt. Actors' initial attributions were less situational than observers'. Both actors and observers became more situational after the video replay but this effect occurred in both experimental and control groups. It was suggested the passage of time between first and second recording of attributions could account for the findings and care should be taken when interpreting Storms' (1973) study and others which did not adequately control for temporal effects.


Urban Studies ◽  
2021 ◽  
pp. 004209802110077
Author(s):  
Christof Parnreiter

Departing from Storper’s (2013) notion of a ‘genius of cities’ but extending the concept from agglomeration economies to inter-city networks and the built environment as foundations of cities’ genius, I argue that cities’ genius is Janus-faced. My contention is that cities’ specific environments not only breed all the ‘good’ innovations that drive innovation and growth but they also generate the ‘bad’ ones, which allow for the development of the means of exploitation. Cities are, as a result of their very properties, key places for the organisation of uneven development.


Author(s):  
Stefano De Falco

AbstractFor several years, the themes concerning agglomeration economies have been approached from different perspectives in the scientific debate, as capable of triggering various positive features. The present research starts precisely where many others arrive, that is, given the value of these externalities, analyzing the spatial distribution of the geographical concentration of economic activities and the related influencing factors. To this end, in this contribution an explanatory investigation is carried out into the spatial dynamics deriving from main productive sectors’ concentration in some Italian regions. The proposed methodological approach is based respectively on the LISA spatial autocorrelation models and on the analysis of non-neighboring clusters to understand if the geographical area of reference and / or the particular production sector are influencing variables. The empirical investigation confirms the presence of a parametric interaction between factors related in some cases on the geographical context and in others on the productive sector.


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