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Daniel Homocianu
Faculty of Economics and Business Administration, Al. I. Cuza University, 11 Carol I, 700506 Iasi, Romania

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Journal article
Published: 21 July 2021 in Sustainability
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In this paper, we analyze the determinants of job satisfaction for employees over the age 50 or more, using the latest SHARE-ERIC dataset (Wave 7) filtered for Romania (over 2000 records). After applying logistic regressions with average marginal effects, we obtained an overall and seven regional models which emphasize that a good atmosphere at the workplace and the deserved recognition received for the work done are the most reliable predictors of career satisfaction, confirmed in this order of importance by many other robustness checks. Particularly, in the case of respondents from the Western part of Romania, we found that meritocracy-based influence, namely deserved recognition, counts almost as much as the workplace atmosphere. For these individuals, previous educational performance and lifetime employment at a single job matter more than the previous dual-core on job satisfaction. Unexpectedly, the adults from central romania present a negative influence of life satisfaction on job satisfaction due to an unbalanced work-family vision of life. The locus of control has different effects on job satisfaction in south and south-western regions, while in the north-east, meaning in life is negatively influencing job satisfaction. Bridge employment exerts a negative influence on career satisfaction in the north-west, and in the South-East, and interpersonal trust has a positive effect.

ACS Style

Aurelian-Petruș Plopeanu; Daniel Homocianu; Ionel Bostan; Ana-Iolanda Vodă; Nelu Florea. Sustainable Careers: Reliability of Job Satisfaction Predictors for Employees Aged 50+. Evidence from Romanian Development Regions. Sustainability 2021, 13, 8133 .

AMA Style

Aurelian-Petruș Plopeanu, Daniel Homocianu, Ionel Bostan, Ana-Iolanda Vodă, Nelu Florea. Sustainable Careers: Reliability of Job Satisfaction Predictors for Employees Aged 50+. Evidence from Romanian Development Regions. Sustainability. 2021; 13 (15):8133.

Chicago/Turabian Style

Aurelian-Petruș Plopeanu; Daniel Homocianu; Ionel Bostan; Ana-Iolanda Vodă; Nelu Florea. 2021. "Sustainable Careers: Reliability of Job Satisfaction Predictors for Employees Aged 50+. Evidence from Romanian Development Regions." Sustainability 13, no. 15: 8133.

Original research
Published: 07 July 2021 in Social Indicators Research
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The paper deals with the analysis of the influences of job satisfaction among Europeans aged 50 + (SHARE-ERIC’s data set-Wave7) filtered on main residences and education before 1989. Besides confirming the leading role of the workplace atmosphere and own efforts recognition (dual-core), it further validates the assumption that education and residence in former communist countries count when analyzing job satisfaction and brings two particular types of models. We used many methods based on data mining and variable selection, ordinal and binary logistic and probit regressions, cross-validations via LASSO and mixed-effects modeling with random effects on countries, average marginal effects, and logistic-based prediction nomograms. We discovered seven common influences that count the most when analyzing job satisfaction in these circumstances. It is about the dual-core above and the ones corresponding to older respondents, the better-educated ones (ISCED2011), those with computer skills, the ones endowed with thoroughness, and the ones having higher values of the CASP index of life quality. Depending on each of the two specific models, we discovered peculiarities related to the role of some economic (GDP and SMC to GDP) and institutional (WGI) indicators. For the ex-communist models, we found significant negative influences for both categories while, for non-communist ones, only the second category matters and has a positive role.

ACS Style

Daniel Homocianu; Octavian Dospinescu; Napoleon-Alexandru Sireteanu. Exploring the Influences of Job Satisfaction for Europeans Aged 50 + from Ex-communist vs. Non-communist Countries. Social Indicators Research 2021, 1 -45.

AMA Style

Daniel Homocianu, Octavian Dospinescu, Napoleon-Alexandru Sireteanu. Exploring the Influences of Job Satisfaction for Europeans Aged 50 + from Ex-communist vs. Non-communist Countries. Social Indicators Research. 2021; ():1-45.

Chicago/Turabian Style

Daniel Homocianu; Octavian Dospinescu; Napoleon-Alexandru Sireteanu. 2021. "Exploring the Influences of Job Satisfaction for Europeans Aged 50 + from Ex-communist vs. Non-communist Countries." Social Indicators Research , no. : 1-45.

Journal article
Published: 09 April 2020 in Applied Sciences
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In this paper, we explore the determinants of being satisfied with a job, starting from a SHARE-ERIC dataset (Wave 7), including responses collected from Romania. To explore and discover reliable predictors in this large amount of data, mostly because of the staggeringly high number of dimensions, we considered the triangulation principle in science by using many different approaches, techniques and applications to study such a complex phenomenon. For merging the data, cleaning it and doing further derivations, we comparatively used many methods based on spreadsheets and their easy-to-use functions, custom filters and auto-fill options, DAX and Open Refine expressions, traditional SQL queries and also powerful 1:1 merge statements in Stata. For data mining, we used in three consecutive rounds: Microsoft SQL Server Analysis Services and SQL DMX queries on models built involving both decision trees and naive Bayes algorithms applied on raw and memory consuming text data, three LASSO variable selection techniques in Stata on recoded variables followed by logistic and Poisson regressions with average marginal effects and generation of corresponding prediction nomograms operating directly in probabilistic terms, and finally the WEKA tool for an additional validation. We obtained three Romanian regional models with an excellent accuracy of classification (AUROC > 0.9) and found several peculiarities in them. More, we discovered that a good atmosphere in the workplace and receiving recognition as deserved for work done are the top two most reliable predictors (dual-core) of career satisfaction, confirmed in this order of importance by many robustness checks. This type of meritocratic recognition has a more powerful influence on job satisfaction for male respondents rather than female ones and for married individuals rather unmarried ones. When testing the dual-core on respondents aged 50 and over from most of the European countries (more than 75,000 observations), the positive surprise was that it undoubtedly resisted, confirming most of our hypotheses and also the working principles of support for replication of results, triangulation and the golden rule of robustness using cross-validation.

ACS Style

Daniel Homocianu; Aurelian-Petruș Plopeanu; Nelu Florea; Alin Marius Andrieș. Exploring the Patterns of Job Satisfaction for Individuals Aged 50 and over from Three Historical Regions of Romania. An Inductive Approach with Respect to Triangulation, Cross-Validation and Support for Replication of Results. Applied Sciences 2020, 10, 2573 .

AMA Style

Daniel Homocianu, Aurelian-Petruș Plopeanu, Nelu Florea, Alin Marius Andrieș. Exploring the Patterns of Job Satisfaction for Individuals Aged 50 and over from Three Historical Regions of Romania. An Inductive Approach with Respect to Triangulation, Cross-Validation and Support for Replication of Results. Applied Sciences. 2020; 10 (7):2573.

Chicago/Turabian Style

Daniel Homocianu; Aurelian-Petruș Plopeanu; Nelu Florea; Alin Marius Andrieș. 2020. "Exploring the Patterns of Job Satisfaction for Individuals Aged 50 and over from Three Historical Regions of Romania. An Inductive Approach with Respect to Triangulation, Cross-Validation and Support for Replication of Results." Applied Sciences 10, no. 7: 2573.

Journal article
Published: 01 January 2020 in Scientific Annals of Economics and Business
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This paper provides a way to discover strong individual influences on investments in retirement accounts. Data are from SHARE-ERIC (Wave7). Principal residences in ex-communist countries or not and full-time education before 1989 served as filters. Two particular models with good classification accuracy resulted based on data mining, variable selection methods, and logistic regressions. A statistical script generated tables with comparable coefficients (average marginal effects). Common influences from the same financial category as the outcome emerged (having life insurance or ever investing in mutual funds or stocks). The younger respondents, those with computer skills or exposed to high stress, are more likely to invest in retirement accounts regardless of the presence of the communist heritage. Specific influences (personality traits and life experiences) also resulted despite the increasing globalization, which, in the case of people over a certain age, was not able to erase some behavioral differences reflected until today.

ACS Style

Daniel Homocianu; Romania. A Methodology of Discovering Comparable Models. The Case of Investing in Retirement Accounts when Considering Age, Main Residence and Education before 1989 vs. Globalization. Scientific Annals of Economics and Business 2020, 67, 19 -31.

AMA Style

Daniel Homocianu, Romania. A Methodology of Discovering Comparable Models. The Case of Investing in Retirement Accounts when Considering Age, Main Residence and Education before 1989 vs. Globalization. Scientific Annals of Economics and Business. 2020; 67 (SI):19-31.

Chicago/Turabian Style

Daniel Homocianu; Romania. 2020. "A Methodology of Discovering Comparable Models. The Case of Investing in Retirement Accounts when Considering Age, Main Residence and Education before 1989 vs. Globalization." Scientific Annals of Economics and Business 67, no. SI: 19-31.