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How long do top scientists maintain their stardom? An analysis by region, gender and discipline: evidence from Italy Open PDF
(2017)
Abramo, G.
;
D’Angelo, C.A.
;
Soldatenkova, A.
We investigate the question of how long top scientists retain their stardom. We observe the research performance of all Italian professors in the sciences over three consecutive four-year periods, between 2001 and 2012. The top scientists of the first period are identified on the basis of research productivity, and their performance is then tracked through time. The analyses demonstrate that more than a third of the nation’s top scientists maintain this status over the three consecutive periods, with higher shares occurring in the life sciences and lower ones in engineering. Compared to males, females are less likely to maintain top status. There are also regional differences, among which top status is less likely to survive in southern Italy than in the north. Finally we investigate the longevity of unproductive professors, and then check whether the career progress of the top and unproductive scientists is aligned with their respective performances. The results appear to have implications for national policies on academic recruitment and advancement. © 2016, Akadémiai Kiadó, Budapest, Hungary.
The effects of gender, age and academic rank on research diversification Open PDF
(2018)
Abramo, G.
;
D’Angelo, C.A.
;
Di Costa, F.
In this work we analyze the combined effects of gender, age and academic rank on the propensity of individual scholars to diversify their scientific activity. The aspect of research diversification is measured along three main dimensions, namely its extent and intensity and the cognitive relatedness of the fields of diversification. We apply two regression models to the dataset of scientific output of all Italian professors in the sciences over the period 2004–2008. The aim is to understand how personal and organizational traits can influence individual behaviors in terms of research diversification. Among other considerations, our findings urge caution in identifying research diversification as a co-determinant of the gender productivity gap between males and females. © 2017, Akadémiai Kiadó, Budapest, Hungary.
Accounting for gender research performance differences in ranking universities
(2015)
Abramo, G.
;
D'Angelo, C.A.
The literature on the theme of gender differences in research performance indicates a gap in favour of men over women. Beyond the understanding of the factors that could be at the basis of this phenomenon, it is worthwhile understanding if it would be appropriate to conduct the evaluation per population in a manner distinguished by gender. In fact, if there is some factor that structurally determines a penalization of performance by women researchers compared to men, then the comparative evaluation in the performance of organizations' that do not take gender into account will lead to an advantage for those that employ more men, under parity in the capacities of their staff. In this work we measure the differences in the performance and the rank of research institutions as observed when gender is taken into account compared to when it is ignored. The study population consists of all Italian universities and the performance measured in the hard sciences for the period 2006-2010.
Gender differences in research performance within and between countries: Italy vs Norway Open PDF
(2021)
Abramo, G.
;
Aksnes, D.W.
;
D'Angelo, C.A.
In this study, the scientific performance of Italian and Norwegian university professors is analysed using bibliometric indicators. The study is based on over 36,000 individuals and their publication output during the period 2011-2015. Applying a multidimensional indicator in which several aspects of the research performance are captured, we find large differences in the performance of men and women. These gender differences are evident across all analysed levels, such as country, field, and academic position. However, most of the gender differences can be explained by the tails of the distributions - in particular, there is a much higher proportion of men among the top 10 % performing scientists. For the remaining 90 % of the population, the gender differences are practically non-existent. The results of the two countries, which differ in terms of the societal role of women, are contrasting. Further, we discuss possible biases that are intrinsic in quantitative performance indicators, which might disfavour female researchers. © 2021 Elsevier Ltd.
Should the research performance of scientists be distinguished by gender? Open PDF
(2015)
Abramo, G.
;
Cicero, T.
;
D'Angelo, C.A.
The literature on gender differences in research performance seems to suggest a gap between men and women, where the former outperform the latter. Whether one agrees with the different factors proposed to explain the phenomenon, it is worthwhile to verify if comparing the performance within each gender, rather than without distinction, gives significantly different ranking lists. If there were some structural factor that determined a penalty in performance of female researchers compared to their male peers, then under conditions of equal capacities of men and women, any comparative evaluations of individual performance that fail to account for gender differences would lead to distortion of the judgments in favor of men. In this work we measure the extent of differences in rank between the two methods of comparing performance in each field of the hard sciences: for professors in the Italian university system, we compare the distributions of research performance for men and women and subsequently the ranking lists with and without distinction by gender. The results are of interest for the optimization of efficient selection in formulation of recruitment, career advancement and incentive schemes. © 2014 Elsevier Ltd.

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