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This paper compares the merits of regional and firm based approaches for analysing the effect of agglomeration economies on firm deaths in Ireland. We aggregate a comprehensive data set on Irish firm deaths to Electoral Division (ED) level, the lowest geographical scale available. Estimates of the effect of agglomeration on firm deaths from a regional analysis at ED level using a cross-sectional spatial-autoregressive spatial error model are compared with firm-level estimates from a contemporary log-log model with spatially weighted agglomeration regressors. While estimates of the effects of agglomeration using these alternative methods is much discussed in existing literature rarely are the approaches or results compared. We show that contrasting results are found using the same data set dependent upon the unit of analysis used. Diversity lowers regional and firm deaths while specialisation raises regional deaths but lowers firm deaths. Greater urbanisation does not have a significant effect on firm hazard rates or equivalent regional estimates. While regional estimates provide evidence on the existence and nature of spatial dependence (negative in this case), firm estimates do not provide evidence that agglomeration in neighbouring regions is the source of this spatial dependence. No empirical analysis to our knowledge directly compares regional and firm based approaches for analysing the effect of spatial agglomeration economies on firm deaths. [ABSTRACT FROM AUTHOR]

Purpose: This paper analyses the impact of institutional proximity, cognitive proximity and geographical proximity (in the form of agglomeration economies) on the firm-level productivity of foreign-owned firms in Ireland. The analysis of agglomeration economies, consisting of internal economies of scale, localization economies, related variety and urbanization economies, has a strong pedigree in regional economics literature. Increasingly, however, alternative explanations of firm-level productivity performance have been explored with institutional and cognitive proximity often identified as other important determinants of performance. This paper presents an analysis of the importance of agglomeration economies (based on geographical proximity) versus institutional and cognitive proximity (which may be a-spatial). Design/methodology/approach: A series of measures capturing regional level agglomeration economies are generated as well as measures of institutional and cognitive proximity. The impact of these effects on foreign-owned firm-level productivity is analysed using data from the Irish Census of Industrial Local Units 2009. The estimation method employed is general method of moments (GMM) which allows for the potential endogeneity of variables within the system of analysis. Findings: The results reveal that institutional proximity has a positive impact on productivity. A possible reason for this result is that local units of the same nationality are sharing knowledge in relation to successfully conducting business in Ireland. However, cognitive proximity is found to be statistically insignificant. Agglomeration economies are also important with urbanization economies and the availability of skilled labour having a positive effect on productivity. Originality/value: The key contributions of this paper are as follows; firstly, the paper provides the first test of the institutional and cognitive proximity hypotheses on productivity while also controlling for a series of internal and external agglomeration economies. Secondly, the analysis considers, firm level, regional level and national level indicators as determinants of firm's productivity. In combining micro and macro level indicators, the paper attempts to answer the call of Van Oort et al. (2012) for such analyses. Thirdly, the paper provides the first detailed examination of the role of 'proximity' on foreign-owned manufacturing firms in the Irish context. [ABSTRACT FROM AUTHOR]