Uluslararası Ticaret Bölümü Yayın Koleksiyonu

Permanent URI for this collectionhttps://hdl.handle.net/20.500.12416/401

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Citation - Scopus: 2
Copyright Protection By Robust Digital Image Watermarking in Unsecured Communication Channels
(Institute of Advanced Engineering and Science, 2017) Alasafi, L.; Göksu, T.; Albayati, A.
The transition from analog technologies to digital technologies has increased the ever-growing concern for protection and authentication of digital content and data. Owners of digital content of any type are seeking and exploring new technologies for the protection of copyrighted multimedia content. Multimedia protection has become an issue in recent years, and to deal with this issue, researchers are continuously searching for and exploring new effective and efficient technologies. This thesis study has been prepared in order to increase the invisibility and durability of invisible watermarking by using the multilayer Discrete Wavelet Transform (DWT) in the frequency plane and embedding two marks into an image for the purpose of authentication and copyright when digital content travels through an unsecured channel. A novel watermarking algorithm has been proposed based on five active positions and on using two marks. In addition to the extraction process, watermarking images will be subjected to a set of attack tests. The evaluation criteria have been the bases of assessing the value of SNR, PNSR, MAE and RMSE for both the watermarking images and the watermarking images after attacks, followed by the invisibility of the watermarking being measured before and after the attacks. Our lab results show high robustness and high quality images obtaining value for both SNR and PNSR. © 2017 Institute of Advanced Engineering and Science. All rights reserved.
Citation - Scopus: 14
Export-led economic growth and the case of Brazil: An empirical research
(Routledge, 2019) Temiz Dinç, D.; Gökmen, Aytaç; Gökmen, A.; 52039; 17660; Uluslararası Ticaret ve Finansman
The world has been globalized much more than ever before and this process integrates the economies of countries. Moreover, one means of integrating the economies of countries is trade. In this instance, the export-led economic growth emerges as a considerable determinant. Export-led economic growth is beneficial for the countries since it facilitates the inflow of foreign exchange, increases production, creates new employment opportunities and enhances the overall commercial volume. In this study, the correlation between export-led economic growth is explored for Brazil. Therefore, according to the findings of this paper as well as econometric and statistical applications, there is a bi-directional causality in Brazil since 1960s between economic development and exports in the long-run (this could also be termed as feedback); furthermore, in the short-run, there is export-led economic growth. The novelty of this paper is that, it is one of the latest studies investigating export-led economic growth for Brazil. © 2019, © 2019 Taylor & Francis Group, LLC.
Citation - Scopus: 4
Foreign Direct Investment & Its Correlation to Economics: The case of Brazil
(Routledge, 2019) Dinç, D.T.; Gökmen, Aytaç; Gökmen, A.; 52039; 17660; Uluslararası Ticaret ve Finansman
Capital accumulation is the first and foremost important factor to induce economic growth and development in a country. Yet, not every country in the world is bestowed with abundant capital. Thus, in this instance foreign direct investment (FDI) emerges as a good option to supply the necessary amount of capital to countries which are deprived of the necessary capital stock. Moreover, FDI, besides being a catalyst of economic development, is a significant means of transferring technology, knowledge, managerial know-how and constitutes new potentials to create employment opportunities, increase the production volume and enhance the foreign trade balance. Furthermore, the impact of FDI inflow on the economic growth is researched in this paper for Brazil by means of utilizing various econometric methods for the period of 1970–2017. According to the results of this study there is no positive causality between economic growth and FDI inflow in the short-run. Yet, there is a positive and significant causality between FDI inflow and economic growth in the long-run as well as this stems from the fact that investments lead to positive results gradually in the long-term which also means that investments shall be converted into production as much as possible. Moreover, the novelty of this paper is that it is one of the most up-to-date studies to research FDI–economic growth correlation on Brazil in the literature. © 2019, © 2019 Taylor & Francis Group, LLC.
Citation - Scopus: 10
Foreign Direct Investment (FDI) and Export Relation in Turkey: 1991–2010
(2011) Temiz, Dilek; Temiz, D.; Gökmen, A.; Gökmen, Aytaç; 17660; 52039; Uluslararası Ticaret ve Finansman
Foreign direct investment (FDI) is an important element in development of economic power with regard to growth. FDI is an efficient tool to transfer new technologies, managerial skills, knowledge, capital flow and so on. On the other hand, exportation is another means to integrate the economy of a country with that of the world and secure economic growth as well enhancing economic advantages. In this article, we attempt to research the relationship between FDI and export. The article begins with the definition of FDI theory, explains the motives fostering FDI, FDI and Turkey, FDI and export relation theoretically, and concludes with an empirical analysis of FDI and export in Turkey. The empirical research investigates the relationship between export and FDI by using monthly time series data for the Turkish economy over the period from December 1991 to October 2010. The study applies of the following econometric techniques: unit root test, Johansen cointegration test, vector error correction model (VECM), and Granger causality test. The cointegration analysis suggests long-run equilibrium relationship between the examined variables. The results of the Granger causality test showed a causal relationship between these variables. The causality results are consistent with the results reported by the vector error correction model (VECM). © Taylor & Francis Group, LLC.
Citation - Scopus: 5
Foreign Direct Investment and Its Impact on Economic Performance: The Case of Turkey and Nigeria
(Routledge, 2015) Temiz, Dilek; Temiz, D.; Gökmen, A.; Gökmen, Aytaç; Abubakar, M.S.; 52039; 17660; Uluslararası Ticaret ve Finansman
Foreign Direct Investment (FDI) has been affecting global business affairs for decades. A country, whether developed or developing, necessitates more FDI entry than other countries because the FDI inflow may bring certain advantages such as capital accumulation, knowledge, know-how transfer, and obtainment of updated technology. Thus, the entry of FDI into a host country is expected to reveal positive aftermaths. The objective of this study is to analyze the impact of FDI entry into Nigeria and Turkey for the years 1970–2012 by using econometric methods such as VAR, VECM, unit root test, cointegration test, causality test, impulse-response functions, and variance decomposition. As a result, it was estimated that there is no positive impact of FDI entry on economic growth in Nigeria and in Turkey. © 2015, Copyright © Taylor & Francis Group, LLC.
Citation - WoS: 12
Citation - Scopus: 18
Gender gap in financial inclusion: Evidence from MENA
(Univ Oviedo, 2019) Ozsuca, Ekin Ayse; 237965
This study aims to analyze the gender dimension of financial inclusion in MENA countries. Using the World Bank's 2017 Global Findex Database, it explores the underlying factors of gender differences in formal financial services usage via Fairlie decomposition method. The findings of the study indicate that a significant portion of the disparity in financial inclusion is attributable to employment, while age and tertiary education are also found as contributing factors to the financial inclusion gap. Another notable finding is that upper income quintiles contribute positively to the gender gap, indeed to a greater extent compared to lower income groups.
Citation - WoS: 3
Citation - Scopus: 5
Seasonality in Household Demand for Meat and Fish: Evidence from an Urban Area
(Tubitak Scientific & Technological Research Council Turkey, 2005) Fidan, Halil; Klasra, Mushtaq Ahmad; Klasra, Mushtaq Ahmad; Uluslararası Ticaret ve Finansman
Bu çalışma, Almost Ideal Demand System (AIDS)'i kullanarak, farklı mevsimlerde et ve balık için hane halkı talebine etkili faktörlerin tahmininde çıkarımlarda bulunmaktadır. Anket verileri kullanılarak, bütçe payı, talebin fiyat elastikiyeti, çapraz elastikiyet ve balık ve et için harcamalar, eşitlikler sistemi ile tahmin edilmiştir. Özellikle, Kurban Bayramı dönemlerinde bütçe paylarında artış olması durumu et ve balık tüketiminin mevsimsel etkisini inceleyen bu çalışmanın temel sonucu olmuştur. Bunun ötesinde, kentsel alanda yaşayan insanlar, hamsi hariç, fiyat artışlarına karşı duyarlı oldukları bulunamamıştır. Bu çalışma, politika yapıcıları, üreticiler ve pazarlama uzmanlarının izleyecekleri politikalarda etkili kaynak kullanımlarının düzenlenmesine, bu sonuçların onlara yardımcı olabilmesi bakımından önemlidir.
Citation - WoS: 2
Citation - Scopus: 2
Symmetric and asymmetric relationship between maritime transportation and foreign trade volume
(inderscience Enterprises Ltd, 2021) Dinc, Dilek Temiz; Karamelikli, Huseyin; 52039
In this study, the short and the long-run relationship between maritime transportation and foreign trade volume and also the linear and nonlinear characteristics of this relationship were investigated. Linear relations between maritime transportation and foreign trade volume were analysed by the autoregressive distributed lag (ARDL) model, and nonlinear relations were analysed by the nonlinear autoregressive distributed lag (NARDL) model by using monthly data between 2004 and 2018 in Turkey. According to the results, it was revealed that only the short-run asymmetry and long-run symmetry model was statistically valid and that results should be taken into consideration.
Citation - WoS: 6
Citation - Scopus: 9
The effect of knowledge management, technological capability and innovation on the enterprise performance: A comprehensive emperical study of the turkish textile sector
(World Scientific Publ Co Pte Ltd, 2011) Gokmen, Aytac; Gökmen, Aytaç; Hamsioglu, Ahmet Bugra; 17660; Uluslararası Ticaret ve Finansman
This study aims to analyse the correlation among enterprise performance, knowledge management, technological capability and innovation. The sample of the study comprised 96 textile enterprises among the 500 largest companies in Turkey. Among those 96 companies, 45 of them responded to the research proposal and 225 questionnaires were assessed. The data acquired was analysed with factor analysis, correlation analysis, regression analysis and descriptive analysis. As a result of the research, a high level and significant correlation among the variables was established and the positive effect of knowledge management and technological capability on innovation was detected. Moreover, innovation was found to have a positive effect on performance as well.
Citation - Scopus: 8
The impact of foreign trade issues on economic growth in some developing countries including Iran and Turkey
(Routledge, 2017) Gökmen, Aytaç; Temiz Dinç, D.; Gökmen, A.; Nakip, Mahir; Nakip, M.; Azari, N.M.; 52039; 17660; 118963; Uluslararası Ticaret ve Finansman
The issue of foreign trade and economic growth have been on the economic agenda for centuries. Foreign trade is a facilitator of goods and services exchange in the global marketplace and is an engine of economic growth in a country. Moreover, economic growth is a means to improve the output, employment opportunities, and welfare, which in turn could make a favorable impact on the positive foreign trade balance. Economic growth is also an essential component of country competitiveness in international markets. Yet, the objective of this study is to analyze the correlation between foreign trade and economic growth in some developing countries, including Iran and Turkey, by using econometrics applications (panel co-integration method and E-views software), also resting on credible national and international publications. Thus, it is estimated in the study that foreign trade has a positive impact on economic growth, resource allocation, energy and green energy consumption, human capital development, and physical capital consumption. © 2017 Taylor & Francis.

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