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    EFFECTS OF GLOBAL CRISIS ON ECONOMIC GROWTH AND INVESTMENT RELATIONS IN EUROPEAN COUNTRIES
    (Silesian Univ, 2010) Kurt, Serdar; Torun, Mustafa; Topkaya, Ozgur
    The global crisis that has started as a credit crisis in USA mortgage markets in mid 2007's and expanded through financial markets in 2008 then spread to whole world and affected the other countries as well. In this study firstly, the effect of crisis on USA and European Countries has been investigated using dummy variable. Nonetheless it is investigated if the economic growth and investment relation of the term before the crisis changed after the crisis. In the study panel OLS, fixed effect and panel causality econometric models have been used. The results displayed that the crisis has a significant effect on growth rate of European Countries. At the same time it has been determined that causality relationship from investments towards economic growth has weakened in the period of crisis.
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    Emigration of Innovative Workforce in the Light of Patent Data
    (Elsevier Science Bv, 2015) Topkaya, Ozgur
    The study uses patent data statistics from World Intellectual Property Database (WIPO) to reveal emigration of innovative workforce issue which has adverse effects on the economies of origin countries. Statistical data indicate that emigration of innovative workforce is not only a problem for developing countries but also it is a problem for developed nations as well. The study directly refers to the mobility of inventors since it uses the patent data statistics. Elimination of spillover effects that might be obtained by the new inventions from a Schumpeterian point of view, loss of the most important segment of human capital and characteristics of emigrant receiving and sending countries are also discussed in the study. To prevent emigration of high skilled workforce particularly the inventors, the study discusses the effects of active labor market policies as a measure. The study therefore aims to stress the importance of retaining innovative workforce and attract as many as possible to improve potential of economy by using data analysis and literature review methods. (C) 2015 The Authors. Published by Elsevier Ltd.
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    Financial Development, Renewable Energy Consumption and Industrial Output Relation: Testing Fourier ARDL for Turkey
    (Sciendo, 2024) Kilic, Cuneyt; Akcan, Ahmet Tayfur; Topkaya, Ozgur; Arik, Muserref
    Energy plays a vital role in every aspect of the economy and in recent years renewable energy is highly debated for its pros and cons. While renewable energy consumption is important for sustainable growth and reduction of environmental damage it has some negative effects on the industrial production. The aim of the study is to examine the relationship between renewable energy consumption, financial development and industrial output for Turkey. Annual data between 1980 and 2019 were used in the study. Fractional Fourier Augmented Dickey-Fuller Unit Root Test and the Fourier Autoregressive Distributed Lag Bound Tests were used to analyze the relationship between variables. As a result of the study, a positive relationship was found between financial development and renewable energy consumption, while a negative relationship was found between industrial output and renewable energy consumption. Our empirical findings have important policy implications. According to these policy implications, the focus should be on a green-based economy with various subsidies, selective taxation procedures and incentive policies to increase the demand for renewable energy use.