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Open access

Simon Radipere

Abstract

The relationship between entrepreneurial orientation and business performance using 500 small- and medium-sized enterprises (SMEs) in Gauteng province, South Africa was tested. Questionnaire was used to collect data from 500 SME owners. The findings from the survey among 500 SME owners were modelled through a categorical regression model with business performance as dependent variable. The level of significance of the 8 variables out of 12 variables suggests that entrepreneurial orientation be classified as the strongest predictor of business performance. The ability to adjust one’s business model to adapt to changed economic circumstances is an important thing as it dictates performance in increasingly competitive economic environment.

Open access

Barbara Batóg and Katarzyna Wawrzyniak

Models With Varying Parameters as A Tool to Classify Polish Voivodships in 2002-2008

One of the often used measures of economic development is gross domestic product per capita. In Poland the Main Statistical Office collects the data on this variable on several levels of aggregation. The paper shows the application of panel data models in order to classify Polish voivodships according to the level of economic development. As explained variable the regional GDP per capita was used and such variables as structure of employees, unemployment rate or retail sales per capita were the explaining variables. As a result the groups of voivodships with similar pattern of economic development were distinguished.

Open access

Kai Wang, Hui Wang and Yu Tao

Abstract

Collecting ideas through crowdsourcing has become a common practice for companies to benefit from external ideas and innovate. It is desirable that crowd members build on each other's ideas to achieve synergy. This study proposes and verifies a new method for idea combination which can result in combined ideas that are both novel and useful. The domain-specific knowledge of crowd members does not influence the effectiveness of such idea combination. The new method can be used for collecting highly creative ideas from the crowd. The implications for future research are discussed.

Open access

B. Pawłowski, P. Bała and R. Dziurka

Abstract

Dilatometry is the most commonly method of producing CCT diagrams and analyzing phase transformations during cooling (as well as transformations during heating) and it permits the real-time monitoring of the extent of reaction in terms of dimensional changes due to phase transformation. All modern dilatometers are fitted with computerised systems which collect dimensional change signals versus temperature to plot a dilatometric curve and also to calculate and plot the derivative of the relative dimensional change with respect to temperature. Unfortunately, elaborated by dilatometers manufacturers software, in many cases could lead to wrong interpretation of phase transformations during cooling.

Open access

Krzysztof Kupiec and Monika Gwadera

Abstract

This work refers to the modelling of heat transfer in horizontal ground heat exchangers. For different conditions of collecting heat from the ground and different boundary condition profiles of temperature in the ground were found, and temporal variations of heat flux transferred between the ground surface and its interior were determined. It was taken into account that this flux results from several different mechanisms of heat transfer: convective, radiative, and that connected with moisture evaporation. It was calculated that ground temperature at great depths is greater than the average annual ambient temperature.

Open access

Morgan Earp, Daniell Toth, Polly Phipps and Charlotte Oslund

Abstract

This article introduces and discusses a method for conducting an analysis of nonresponse for a longitudinal establishment survey using regression trees. The methodology consists of three parts: analysis during the frame refinement and enrollment phases, common in longitudinal surveys; analysis of the effect of time on response rates during data collection; and analysis of the potential for nonresponse bias. For all three analyses, regression tree models are used to identify establishment characteristics and subgroups of establishments that represent vulnerabilities during the data collection process. This information could be used to direct additional resources to collecting data from identified establishments in order to improve the response rate.

Open access

M. Najibzadeh, A. Gharzi, N. Rastegar-Pouyani, E. Rastegar-Pouyani and A. Pesarakloo

Abstract

Iranian long legged wood frog, Rana pseudodalmatina Eiselt & Schmidtler, 1971 is a brown frog species endemic to the Hyrcanian forest. The objective of the present study is to collect detailed information on the feeding habits of 44 specimens of this species (24 ♂, 20 ♀) by analyzing the stomach contents of individuals from 10 populations inhabiting range. The food habit of R. pseudodalmatina generally varies by the availability of surrounding prey items, and it is a foraging predator, the food of which consists largely of Coleoptera (mainly Carabidae, Dytiscidae and Haliplidae), Diptera (Muscidae) and Hymenoptera (Formicidae), and no difference was found between females and males in the stomach content.

Open access

Przemysław Kabalski and Ewelina Zarzycka

Abstract

The aim of this article is to present the results of a study on the convergence of financial accounting and management accounting in companies operating in Poland against the background of international solutions. The survey, carried out in 2017, was used to collect data. Based on the questionnaire returned by 40 companies, it was found that the level of convergence of financial accounting and management accounting in Polish enterprises is moderate. The number of worldwide studies on the convergence of accounting is very limited, and in Poland they are quite unique. For this reason, the study presented in this article is relevant both for science and the practice of accounting.

Open access

Miłosz W. Romaniuk

Abstract

Author analyses the use of new technologies by the pedagogy students from the generation of digital natives focusing on using the functions of mobile electronic devices and basic functions of Internet. Data has been collected with Google Forms. They allow to collect the data very quick, to see the responses immediately and to export the data to a spreadsheet. The aim of the study is to determine the level of student’s competence on the chosen field of information technology. Research shows that students have lower skills than they declare. Author advocates that this situation needs to be improved.

Open access

Mahdi Salehi

Abstract

The main objective of the study is at first identifying the expectation gap about audit responsibility and the second quantifying the expectation gap in Iran. In order to collecting data, a questionnaire designed and developed between auditors and investors. Collected data analyzed by employing non-parametric statistics test. The results show that there is expectation gap between auditors and investors in Iran. The current study employed a new approach in the world in order to quantifying the expectation gap. It gives the more strength to other researchers in order to measuring audit expectation gap in the world.