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Professor Zdzisław Hellwig 1925 – 2013. Renaissance style giant

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Dziechciarz J.
Acta Universitatis Lodziensis. Folia Oeconomica
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2015
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vol. 3
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issue 314
EN
On 8th November 2013, with great sadness we said goodbye to our dear Master and Teacher, Professor Zdzisław Hellwig. He walked away from us forever. Professor Zdzisław Hellwig (1925 – 2013) was a great man with impressive biography. Primarily professor Zdzisław Hellwig was prominent, widely recognized, eminent scholar of international standing in the field of statistics. His most important works are Elements of probability and mathematical statistics, Linear Regression and its applications in economics and Stochastic approximation. On 8th November 2013, with great sadness we said goodbye to our dear Master and Teacher, Professor Zdzisław Hellwig. He walked away from us forever. Professor Zdzisław Hellwig (1925 – 2013) was a great man with impressive biography. Primarily professor Zdzisław Hellwig was prominent, widely recognized, eminent scholar of international standing in the field of statistics. His most important works are Elements of probability and mathematical statistics, Linear Regression and its applications in economics and Stochastic approximation. His second field of achievements was econometrics. The rich scientific achievements in the field of econometrics of Professor Zdzisław Hellwig cover numerous studies dealing with the theory and application, including modeling of the socio – economic development, economic forecasting, and multidimensional comparative analysis and taxsonometrics. Professor Zdzisław Hellwig has a standing as economist. Professor Zdzisław Hellwig is a precursor of research in the field referred to as sustainable development, and early warning system for the national economy. He is considered pioneer of computer science in Poland. His international activities gave him the global scholar rank. Professor Zdzisław Hellwig was exceptionally gifted teacher and educator with long list of prominent followers. He has notable achievements as an organizer. Achievements of Professor Zdzisław Hellwig were widely acknowledged, both in the home university, countywide and abroad. 
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Measurement of the return on investment in education and in-house training

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Dziechciarz J.
Acta Universitatis Lodziensis. Folia Oeconomica
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2016
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vol. 5
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issue 325
PL
W przedsiębiorstwach obserwuje się wzrost poziomu świadomości i akceptacji konieczności zwiększenia wolumenu i intensywności nakładów na edukację i szkolenia pracowników. Wspomniane zjawisko wynika z faktu, że w starzejących się społeczeństwach Europy, przy intensywnym postępie technologicznym i organizacyjnym pojawia się fenomen rozszerzenia zakresu i długości aktywności zawodowej oraz rozbudowę oczekiwań pracowników odnośnie jakości życia. Wzrostowi poziomu akceptacji konieczności zwiększenia nakładów na edukację i szkolenia pracowników towarzyszą nowe wyzwania, polegające głównie na konieczności przedefiniowania podejścia do finansowania i oceny wyników. Efektywnościowy punkt widzenia, przy ocenie celowości nakładów na edukację i szkolenia w przedsiębiorstwie rodzi konieczność odejścia od tradycyjnego systemu finasowania zasobów i przejście do proefektywnościowo zorientowanego finansowania efektów. Innymi słowy, zamiast dotychczasowego płacenia za uczenie, firmy chcą płacić za nauczenie. Oznacza to, że finansujący edukację i szkolenia oceniając szkolenie zadaje pytanie o poprawę efektywności firmy; o to, na ile wzrost kwalifikacji pracowników ułatwia osiąganie celów organizacji. Z drugiej strony, ocena od strony uczestników zawiera pytanie o skuteczność działań oferenta przedsięwzięć edukacyjnych i szkoleniowych. Dotychczasowa praktyka polegała na tym, że często ocena efektywności i skuteczności treningu nie wychodziła poza ankietowy pomiar poziomu satysfakcji i samooceny uczestników. To powoduje, że obserwuje się presję ilościową, której towarzyszy niedostateczna troska jakościowa oraz nieumiejętność stosowania nowoczesnych technik pomiaru efektu kształcenia. W efekcie, wielu przedsiębiorców traktuje szkolenia i edukację swoich pracowników, jako koszt i zakłócenie funkcjonowania. Jest to spowodowane tym, że nie widać bezpośredniego efektu inwestycji w przyszły rozwój firmy. Dodatkowo, obserwuje się obawę menedżerów przed zagrożeniami w postaci roszczeń płacowych, ucieczki wyszkolonych pracowników do firm konkurentów, lub nadmiernego usamodzielnienia pracownika. W opracowaniu zaprezentowano i przedyskutowano nowoczesne techniki pomiaru efektywności nakładów na edukację i szkolenia. Lista metod obejmuje analizę opartą o cele, ocenę ukierunkowaną, ocenę systemową, ocenę sądową, oraz ocenę poprzedzającą program.
EN
The level of awareness and acceptance of the need to enhance volume and intensity of investment in education and in-house training is increasing. This phenomenon stems from the following facts: the aging of the European societies; an intense technological and organizational progress; and a noticeable process of extension of the scope and length of professional and personal development and activity; accompanied with employees' expectations for better quality of life. The increase in the level of acceptance of the need for increased investment in education and training of employees is accompanied by new challenges, including, in the first place, the need to redefine the approach to investment in training and to the evaluation of its results. The „High-Efficiency‟ point of view, alongside the assessment of the advisability of investment in education and training within a company, raises the need to move away from the traditional system of input oriented financing (i.e. financing resources) and to move towards output oriented funding (i.e. financing results). In other words, instead of paying for teaching, companies want to pay for teaching results. This means that the companies which finance education and training, rise - in the process of assessing the training results – fundamental questions about the improvement of the efficiency of the company; and how an increase in the qualifications of workers facilitates the achievement of organizational objectives. On the other hand, the training results assessment from the participant‟s point of view includes a question about the efficiency of the supplier of educational and training programs, and whether the supplier is able to achieve the promised results. The existing business reality is that the efficiency and effectiveness assessments often do not go beyond the survey measuring the level of satisfaction and self-esteem of the participants. This, in turn, causes a visible quantitative pressures, accompanied by insufficient care for quality and inability to use modern techniques to measure the impact of education and training on business performance. As a result, many entrepreneurs treat the investment in training and education of their employees solely as an expense and a disruption of operations. This is due to the fact that managers do not see a direct effect of the investments on the performance of the company. In addition, managers fear possible hazards in the form of expense claims; loss of trained personel to competitors‟ companies, or excessive self-empowerment of the employee. The study is devoted to presentation and discussion of modern techniques measuring the effectiveness of investment in education and training. The list of methods includes an analysis based on objectives, the targeted evaluation, systemic evaluation, judicial evaluation, and assessment prior to the program.
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Non‑Metric Data in Household Durable Goods Analysis. Selected Aspects

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Dziechciarz J., Dziechciarz-Duda M.
Acta Universitatis Lodziensis. Folia Oeconomica
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2017
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vol. 4
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issue 330
PL
Pomiar wyposażenia gospodarstw domowych jest kluczowy w wielu aspektach oceny stanu społeczno‑ekonomicznego kraju i jego obywateli. Zapotrzebowanie (sprzedaż) jest traktowane jako jeden z kluczowych wskaźników stanu koniunktury w gospodarce. Podobnie analiza i ocena poziomu wyposażenia gospodarstw domowych w dobra trwałe są rozpatrywane w kontekście pomiaru jakości życia. W badaniu wyposażenia gospodarstw domowych mierzy się liczbę i jakość dóbr, w jakie wyposażone są gospodarstwa domowe. Pomiar wyposażenia gospodarstw domowych prowadzony jest najczęściej za pomocą słabych skali pomiarowych, nominalnej i porządkowej. Takie dane wymagają stosowania wyspecjalizowanych narzędzi analizy i modelowania. W opracowaniu zostanie podjęta dyskusja o możliwościach statystycznej analizy takich danych i ich modelowania oraz o problemach wnioskowania na podstawie uzyskanych wyników.
EN
Measurement of household endowment with durables is crucial in many aspects of assessing the social and economic situation of a country and its citizens. The demand (sales) for durables is regarded as one of the key indicators of economic conditions. Similarly, analysis and evaluation of household durable goods are usually considered in the context of measuring the quality of life. The possession of durables is measured by means of the number and quality of goods in households. Measurement of household endowment is conducted usually by means of weak measurement scales, namely nominal and ordinal. Such data require the use of specialised tools for analysis and modelling. This study discusses the possibilities of statistical analysis of such data. Additionally, modelling and problems of inference on the basis of obtained results are discussed.
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Cross-national correspondence analysis of generational differences in the perception of work conditions

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Dziechciarz J., Grześkowiak A., Stanimir A.
Econometrics. Ekonometria. Advances in Applied Data Analytics
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2014
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issue 1(43)
87-100
EN
The paper attempts to verify the hypothesis of the existence of generational differences in the perception of the conditions and quality of work. The research issues considered in this paper are chosen following the regularities observed in the labor markets indicating that special attention should be paid to two age groups: the youngest and the oldest persons. The highest unemployment rate in the EU is observed among young people who encounter various barriers at the beginning of their professional career. On the other hand, the older group of people is expected to provide an important contribution to the labor force to face the problem of aging societies. The objective labor market indicators should be confronted with the results of the subjective opinions of the labor market participants in order to have a comprehensive outlook of the situation. The chosen multivariate method is applied to analyze the opinions of both young and older Europeans taking into consideration the spatial diversity. The opinions about current work given by European Social Survey respondents are analyzed, among others these are the variety of current work, possibilities of learning new things at work, effort-salary relation, support received from other workers etc. The paper presents some results obtained from the applications of correspondence analysis whose usefulness is determined by the measurement scales of the regarded variables.
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