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401.
Using data from the Austrian retail gasoline market we find that a higher station density reduces average prices. Market (i.e. ownership) concentration does not significantly affect average price, however is negatively related to the density of stations. Estimation of the pricing and entry equations as simultaneous equations does not alter our conclusions, and suggests causality running from station density to price. We argue that the spatial dimension of markets allows the identification of market conduct, which is particularly relevant for competition policy.
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Klaus GuglerEmail: |
402.
Gerhard Messmann 《International Journal of Training and Development》2023,27(1):99-116
This contribution aimed at investigating how work-related reflection as cognitive efforts towards developing an understanding of work tasks, the surrounding work context, and one's professional competencies adds to the role of psychological empowerment and participative safety in predicting innovative behaviour and job crafting as two forms of proactivity. Quantitative data from 295 employees of micro, small, and medium-sized organizations in the information sector were collected with a cross-sectional questionnaire. For hypotheses testing, structural equation modelling was employed. The results of the study showed that work-related reflection and psychological empowerment were substantially related to innovative behaviour and job crafting while participative safety only played a minor role. These findings imply that jobs need to contain empowering and sufficiently complex work tasks that require reflection and provide occasions for reflective interactions to enable employees to create efficient routines and adapt to changes at work. Furthermore, experiences of empowerment need to be rooted in social interactions at work. Likewise, the value of reflection will only unfold if employees and supervisors regularly engage in reflection. 相似文献
403.
We study identification in Bayesian proxy VARs for instruments that consist of sparse qualitative observations indicating the signs of shocks in specific periods. We propose the Fisher discriminant regression and a non-parametric sign concordance criterion as two alternative methods for achieving correct inference in this case. The former represents a minor deviation from a standard proxy VAR, whereas the non-parametric approach builds on set identification. Our application to US macroprudential policies finds persistent declines in credit volumes and house prices together with moderate declines in GDP and inflation and a widening of corporate bond spreads after a tightening of capital requirements or mortgage underwriting standards. 相似文献