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In recent years, innovation and R&D activities have been one of the most important factors affecting the growth strategies of the companies and their financial performance. However, it is the fundamental elements of sustainable economic growth, innovative activities have strategic decision-making characteristics due to their effects on efficiency and market value. The aim of this paper is to investigate the effects of R&D expenditures on the financial performance of 62 production companies listed in Borsa Istanbul in the period of 2008-2017 by using panel data methods. We used return on assets ...Более
The interference spectral filters with amorphous silicon layer deposited by magnetron sputtering on the reflective metal layer on a glass substrate are developed. Interference filter select from white light source components corresponding to quasimonochromatic wavelength with a narrow bandwidth. The thickness of the amorphous silicon layer determines the center wavelength of the pass band of the filter. It proposed to use interference filter with amorphous silicon layer for direct laser recoding on it. Results on direct laser recording on amorphous silicon layer of the interference filter by s ...Более
Social media attracts a wide range of users and in this way creates great opportunities for businesses and in this way attract the academic researchers from all over the world. According to recently published research, the majority of the articles on this subject concentrated in the last 5 years and main of them addressed to developed countries. Limited numbers of studies have published from emerging markets especially from the former Soviet Union countries. This study aims to examine social media usage in Post-Soviet Kyrgyzstan. Data was collected by using structured questionnaire, which base ...Более
The aim of this research includes what the perception of textile firms operating in Denizli province about strategic management issues are, at what organizational level the strategic management decisions are taken and what the strategic goals are. Moreover, this study is important in terms of creating awareness by reminding the importance of strategic management in textile sector. The textile sector which has an important place within Denizli's economy. The textile production and sales have always been placed on the top for the economic structure in Denizli and it will continue to be an econom ...Более
Modified atmosphere packaging (MAP) is a shelf-life enhancing method which is growing rapidly on an international scale. The correct gas mixture and film in MAP can maintain high quality with extended shelf life. However, the initial gas composition in the package headspace often changes as a result of the activity of the respiring product, the nature of the package, or the environmental conditions. In the new MAP era, it is necessary to show that MAP does not only deal with gas mixtures and films. The new thought is to incorporate new packaging concepts such as active and intelligent packagin ...Более
There is a growing awareness among financial researchers that the traditional models of asset returns cannot capture essential time series properties of the current stock return data. We examine commonly used models, such as the autoregressive integrated moving average (ARIMA) and the autoregressive conditional heteroskedasticity (ARCH) family, and show that these models cannot account for the essential characteristics of the real Istanbul Stock Exchange and Moscow Stock Exchange returns. These models often fail, and when they succeed, they do at the cost of an increasing number of parameters ...Более