İktisat Bölümü

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Citation - Scopus: 7
Bitcoin Market Price Analysis and an Empirical Comparison with Main Currencies, Commodities, Securities and Altcoins
(Springer Science and Business Media Deutschland GmbH, 2019) Pirgaip, B.; Pirgaip, Burak; Dinçergök, B.; Haşlak, Ş.; Bankacılık ve Finans
The purpose of this study is to analyze Bitcoin (BTC) market prices and to answer the question of whether there is a relationship between BTC and other asset prices, where other assets include currencies, commodities, securities and altcoins. In the empirical part, we evaluate the lead-lag relationships among each type of asset. Consequently, we compare BTC with major currencies and stock exchanges of the U.S., the EU, the U.K. and Japan (USD-SPX, EUR-DAX, GBP-FTSE and JPY-NIK), with currencies and stock exchanges of the U.S., the U.K., Russia, Venezuela and China where BTC is actively traded (USD-SPX, GBP-FTSE, RUB-MOEX, VEF-IBVC and YUAN-SSCE), with major commodities (GOLD and OIL) and with major altcoins (ETH, XRP and LTC) on a daily basis for the period spanning from 2010.07 to 2018.12. We employ Johansen co-integration, Granger causality, impulse response functions and forecast error variance decomposition analyses in our study. Our results show that BTC does not have a long-run relationship with any asset type, but that it has a short-run relationship with gold and especially altcoins, which are both significant and bidirectional. While BTC and altcoins are closely interrelated with each other, BTC price variation is mostly borne by its own prices in all cases. © Springer Nature Switzerland AG 2019.
Citation - WoS: 0
Can Term Structure of Interest Rate Predict Inflation and Real Economic Activity: Nonlinear Evidence From Turkey?
(Springer, 2011) Omay, Tolga; Omay, Tolga; 19320; Çankaya Meslek Yüksekokulu
Citation - Scopus: 2
Exchange rate and Turkish agricultural trade balance with EU (15)
(2012) Yazici, M.; Yazıcı, Mehmet; Islam, M.Q.; 144084; İktisat
This paper investigates the short-run and long-run impact of exchange rate on the trade balance of Turkish Agriculture with EU (15) countries. The bounds testing approach to the cointegration and the error correction modeling is employed. A new strategy in the model selection phase is adopted and the optimal model is selected from the set of those models that satisfy both diagnostic tests and cointegration. Thus, unlike the previous literature utilizing this approach, it is ensured that a statistically reliable and cointegrated model is picked up for estimation. Estimation results based on the data for 1988-I to 2008-IV period indicate that in the short-run real exchange rate variable affects agriculture trade balance in trade with EU(15) and depreciation of Turkish Lira improves the trade balance. As for the long-run impact of the exchange rate, depreciation of domestic currency has a statistically significant negative effect on trade balance of agriculture.
Citation - WoS: 8
Citation - Scopus: 11
Firm size and job creation: evidence from Turkey
(Routledge Journals, Taylor & Francis Ltd, 2017) Dogan, Ergun; Yazıcı, Mehmet; Islam, M. Qamarul; Yazici, Mehmet; 43080; 144084; İktisat
This study examines the relationship between firm size and job creation by using an extensive data set covering all non-farm Turkish businesses with 20 or more employees from 2003 to 2010. We find that small firms (firms with employees between 20 and 100 employees) have higher mean job flow rates (job creation, job destruction and net job creation rates) than large firms. Firm size and job flow rates are inversely related, and this relationship is especially prominent for firms with 50 employees or more. Although the overall pattern observed is also observed in both sectors, job creation rates in services are higher than the ones in manufacturing. The magnitudes of job destruction rates are comparable across sectors. Higher job creation rate in services but comparable job destruction rate results in higher net job creation rate in services. As for shares, only for smaller firms (20-49 and 50-99 size categories), job creation shares are greater than their shares in employment. But these firms have disproportionate job destruction shares as well. We also find that only the 20-49 category firms contribute to net job creation more than their share in employment. The smaller firms have high disproportionate shares in job creation and destruction in manufacturing and services as well.
Citation - WoS: 2
Citation - Scopus: 1
Impact of exchange rate and customs union on trade balance at commodity level of Turkey with eu (15)
(Routledge Journals, Taylor & Francis Ltd, 2011) Yazici, Mehmet; Yazıcı, Mehmet; Islam, M. Qamarul; 144084; İktisat
This paper investigates the short-run and long-run impact of exchange rate and customs union on the trade balance at commodity-group level of Turkey with EU (15). Bounds testing approach is employed where a new strategy in the model selection phase is odopted ensuring that optimal model is selected from those models satisfying both diagnostics and cointegration. Results indicate that in the short-run exchange rate matters in determination of trade balance of 13 commodity groups out of 21 and customs union in 8 cases. Pattern of response of trade balance to exchange rate does not suggest a J-curve effect in any of cases. As for the long-run effect, neither exchange rate nor customs union has a statistically significant effect on trade balance of any of commodity groups, suggesting that those significant short-run effects don't last into long-run.
Citation - Scopus: 4
Inflation and growth: An empirical study for the comparison of the level and the variability effects
(Nova Science Publishers, Inc., 2006) Arin, K.P.; Omay, Tolga; Omay, T.; 19320; Çankaya Meslek Yüksekokulu
This paper analyzes the interaction between the inflation and growth within the Mankiw-Romer-Weil (1992) framework. Our results indicate that the inflation level has a significant negative effect on output in advanced capitalist economies, whereas inflation variability has a negative and significant effect on output in the long-run for all sub-samples. Our results also show that the variability effects are larger in terms of significance. © 2006 Nova Science Publishers, Inc. All rights reserved.
Citation - WoS: 0
Citation - Scopus: 6
Innovation Cluster Development Potential In the Regions of Turkey: A Geographical Perspective
(Igi Global, 2013) Sakarya, Arif Orcun; Sakarya, Arif Orçun; 19342; İşletme
The assessment of firms' innovativeness levels in a specific territory can be assumed to be an important indicator of future innovative collaboration, some of which might also be cluster setup initiatives. Assuming that geographical proximity can also provide a favorable opportunity for strengthening interfirm ties, the goal of the chapter is to discover the best innovation variables for Turkish firms in terms of being members of potential innovative cluster formations. Following an overview of the innovation parameters used in the study, the current situation of the firms in question and their problems are briefly stated. The analysis part includes a regression test to discover the variables affecting firms' innovativeness in order to tackle the problems stated. Regression results have shown that intellectual capital, technology infrastructure, and geographical concentration levels affect the innovation performance of the firms in different regions. The conclusion involves further policy improvements for empowering regional innovation capabilities.
Citation - WoS: 11
Citation - Scopus: 15
Labor mobility across the formal/informal divide in Turkey Evidence from individual-level data
(Emerald Group Publishing Ltd, 2017) Tansel, Aysit; Acar, Elif Öznur; Acar, Elif Oznur; 48566; Uluslararası Ticaret ve Finansman
Purpose - This paper, the first one to use individual-level Turkish panel data, examines the labor market transitions in Turkey along the formal/informal employment divide. The purpose of this paper is to contribute to the limited body of empirical evidence available on mobility and informality in the Turkish labor market. Design/methodology/approach - Toward this end, the authors use Turkish income and Living Conditions Survey panel data for 2006, 2007, 2008 and 2009 to compute the Markov transition probabilities of individuals moving across six different labor market states: formal-salaried (FS), informal-salaried, formal self-employed, informal self-employed, unemployed and inactive. In order to examine the nature of mobility patterns in more detail, the authors then estimate six multinomial logit models individually for each transition adopting a number of individual and employment characteristics as explanatory variables. Findings - The authors find evidence that mobility patterns are fairly similar across different time spans, the probability of remaining in initial state is higher than the probability of transition into another state for all the labor market states, except for unemployment, there is only very limited mobility into the FS state. Gender, education and sector of economic activity are observed to display significant effects on mobility patterns. The results reveal several relationships between the covariates and likelihood of variant transitions. Research limitations/implications - This study provides a comprehensive and detailed diagnosis of the Turkish labor market. The market is observed to display a rather static structure throughout the period considered. The results indicate that a well recognition of underlying dynamics may help policy makers to produce various effective tools for addressing informality. Originality/value - First study to analyze labor market mobility across formal/informal sectors using newly available panel data.
Citation - WoS: 1
Legislation On Ottoman Copyright Law
(Selcuk Univ, inst Turkish Studies, 2007) Çakmak, Diren; Cakmak, Diren; 131918; Siyaset Bilimi ve Uluslararası İlişkiler
In this study the age of copyright law in Turkey is 157 years is determined and, the fact that copyright as a term has entered in our country in the year 1850 with Statute of Encumen-i Danis, the first legal text on copyright is Statute of Copyright dated 1857, Statute of Copyright and Translation dated 1870 is compensatory legal text of Statute of Copyright, the second legal text on copyright is Code of Copyright dated 1910 is determined.
Citation - WoS: 1
Citation - Scopus: 1
Model selection uncertainties and model averaging in autoregressive time series models
(Isoss Publ, 2012) Islam, M. Qamarul; Yazıcı, Mehmet; Yazici, Mehmet; 144084; İktisat
Selecting the correct lag order is necessary in order to avoid model specification errors in autoregressive (AR) time series models. Here we explore the problem of lag order selection in such models. This study provides an in-depth but easy understanding of the model selection mechanism to the practitioners in various fields of applied research. Several interesting findings are reported and through these the pitfalls of the model selection procedures are exposed. In particular, we show that the whole exercise of model selection and subsequent statistical inference invariably depends upon unknown entities, namely the true values of parameters in the model. The model averaging technique is proposed as an alternative to the common practice of model selection and it is shown that, as a result, the properties of post-model-selection estimates substantially improve.
Citation - WoS: 11
Citation - Scopus: 9
PPP hypothesis and temporary structural breaks
(Economics Bulletin, 2017) Corakci, Aysegul; Omay, Tolga; Emirmahmutoglu, Furkan; Tolga, Omay; 103299; Çankaya Meslek Yüksekokulu
In this study our aim is to explore a better testing strategy for the PPP hypothesis under a temporary structural break. For this purpose we use the exponential smooth transition (EST) function in the unit root testing framework and compare this methodology with the one that uses a Fourier function. Although the Fourier function is extensively used in the literature to test the validity of the PPP hypothesis under temporary breaks, this investigation shows that it leads to misleading results.
Citation - Scopus: 0
Private charity and cooperation vs. non-cooperation
(2006) Yazici, M.; Yazıcı, Mehmet; 144084; İktisat
This study analyzes cooperative and non-cooperative outcomes in the context of private charity and compares them on efficiency grounds. Analysis is conducted in a model economy where there are two rich individuals and one poor and the rich care about the well-being of the poor. The results of the analysis suggest that, when making donations to the poor, the rich should get together and act cooperatively instead of behaving independently. Given the fact that there are many donors in reality and therefore it is difficult for them to get together for cooperation, this result implies a role for government to provide a mechanism for cooperation and justifies the support of the governments for charity organizations. © 2006 Asian Network for Scientific Information.
Citation - WoS: 1
Citation - Scopus: 2
Profitability of brokerage houses in Turkey
(Routledge Journals, Taylor & Francis Ltd, 2019) Kadioglu, Eyup; Günalp, Burak; Gunalp, Burak; 9839; Yönetim Bilişim Sistemleri
This paper uses a direct measure of efficiency to examine the relationship between market structure and the performance of brokerage houses in Turkey. This methodology involves two stages: First, a stochastic translog cost frontier is specified to obtain a direct measure of efficiency. Second, this measure is included in a profitability equation along with market concentration and market share variables. These two equations are then estimated using quarterly data from 112 brokerage houses for the period 2008-2015. The results show that the efficiency of brokerage houses does not influence profitability when measured directly. Market share, on the other hand, is found to be one of the main determinants of profitability, providing support for the relative market power hypothesis.
Citation - WoS: 0
Supply Response of the Wine Industry In Turkey
(Asia Life Sciences, 2011) Sakarya, Arif Orçun; Sakarya, Arif Orcun; Temiz, Dilek; Temiz, Dilek; 19342; İşletme; Uluslararası Ticaret ve Finansman
Regarding the high wine production potential; the main goal of the study is to discover whether there is a long run relationship between wine production, wine net export and demand and to display the possible contribution of latter variables on wine production in Turkey. Following the wine market overlook; related contribution is analyzed by using annual time series data for the years 1961-2005, the Johansen cointegration test and ordinary least squares method. The empirical findings have shown that, as the wine net export or the wine demand increases, wine production also increases in Turkey. Cointegration test has proved that there is a long run relationship between wine production and the other variables.
Citation - Scopus: 0
The journal forum: 1954-1960 in Turkey
(Common Ground Research Networks, 2007) Cakmak, D.; Çakmak, Diren; 131918; Siyaset Bilimi ve Uluslararası İlişkiler
In the ten years (1950-1960) of Democrat Party rule in Turkey, intellectuals were obliged to create some alternative centers of power, particularly in view of government's oppressive policies towards the universities and the press. Forum Journal constituted one such center of criticism. Forum's writers -most of whom were educated in the republican regime- opposed the DP's pragmatic approach to politics and wanted to center political life on reason and to eliminate conservative attitudes. Most of the writers were from the Faculty of Political Science in Ankara University. Forum started to be published in April 1954. Forum did not aim at a struggle to acquire political power. Forum had an influence on almost the whole of the Turkish intelligentsia in the years 1954-1960. The institutions and ideas suggested by Forum were realized to a large extent with the Constitution accepted after the military intervention in the year 1960. For example, the establishment of a second chamber of the legislative assmebly -the Senate-, the constitutional court, the state planning organization, autonomous universities, independence of judges, free press, granting rights to strike and collective negotiations to workers, free opposition, the principal of social equality..etc that had all been discussed in the pages of Forum, found place in the Constitution 1961. So it is possible to claim that Forum Journal with its great contribution for the reconsolidation of the democratic regime demonstrated the higly significant role in Turkish political life. Forum writers treated the military intervention in 27 May 1960 as the liberator of Turkish democracy although it caused a temporary break in the democratic regime. This study which is based on the evaluation of Forum Journal will be a serious contribution considering the journal's support in military intervention of 1960 in Turkish political life. © Common Ground, Diren Cakmak, All Rights Reserved.
The Macroeconomic Effects Of Sovereign Risk Premium Shock: A Case Study For Turkey
(2018) Varlık, Nimet; Gebeşoğlu, Fulya
Ülke risk primi şokunun makroekonomik etkileri 2005:12- 2017:3 dönemi için Yapısal Vektör Otoregresyon Modeli kullanılarak incelenmiştir. Türkiye için ülke risk primi göstergesi olarak EMBI+TR kullanılan model nominal döviz kuru sepeti, tüketici fiyatları endeksi, tüketici kredileri, sanayi üretim endeksi ve cari açık bilançosunu içermektedir. Ampirik sonuçlar ülke risk priminde gözlenen yapısal şokların Türkiye’nin açık enflasyon hedeflemesi döneminde makroekonomik değişkenlerini olumsuz yönde etkilediğini göstermektedir. EMBI+ TR göstergesindeki bir standart sapmalık şok Türk Lirasında devalüasyona, fiyat seviyesinde artışa, kredi hacminde daralmaya, sanayi üretim endeksinde düşüşe ve cari açık bilançosunda artışa yol açmaktadır. Ülke risk priminin döviz kuru ve krediler üzerindeki olumsuz etkisi diğer değişkenler üzerindeki etkisine kıyasla daha fazladır. Ayrıca ülke risk primi şokları kredi daralması yaratmak suretiyle reel ekonomide küçülmeye ve cari açık bilançosunda artışa yol açmaktadır. Varyans ayrıştırmasının bulguları ile etki tepki analizinin sonuçları tutarlı olupülke risk priminde gözlenen yapısal şokların kredi üzerindeki etkilerinin diğer değişkenlere kıyasla daha fazla olduğu sonucuna varılmıştır.
Citation - WoS: 0
Turkish agricultural import and export demand functions: estimates from bounds testing approach
(Routledge Journals, Taylor & Francis Ltd, 2012) Yazici, Mehmet; Yazıcı, Mehmet; 144084; İktisat
This paper estimates the import and export demand functions for Turkish Agriculture based on the annual data for 1970-2003. The bounds testing approach to the cointegration and the error correction modeling is employed. We, however, adopt a new strategy in the model selection phase and select the optimal model from those models that satisfy both diagnostics and cointegration, thus, unlike the previous literature, ensuring that a statistically reliable and cointegrated model is picked up. Results indicate that for the import demand, relative price is a significant determinant in both short-run and long-run, nominal effective exchange rate matters only in the long-run, but domestic income is not at all a significant determinant for Turkish agricultural import demand. As for the export demand, while all determinants affect the export demand significantly in the short-run, given the relatively small share of Turkish agricultural exports within the world agricultural exports, none individually matters in the long-run.
Türkiye’de Sinema Sektörünün Geçmişi; Bugünü ve Yarını: Karşılaştırmalı Bir Çalışma
(2023) Doğanay, Mehmet Mete; Doğanay, Mehmet Mete; 112010; İşletme
Barındırdığı önemli özellikler sinemayı bir sanat ve eğlence kaynağı olmanın çok ötesine taşımıştır. Sinema ile ilgili yapılan birçok çalışma sinemayı değişik açılardan ele almıştır. Bu çalışmada sinemaya geniş bir perspektiften bakılmış ve sinema ile ilgili yapılan değişik birçok çalışma ile birlikte Internet Movie Database (IMDB)’de yer alan Türk filmleri ile ilgili araştırmalardan yararlanılmıştır. Çalışmanın temel amacı Türkiye’deki sinema sektörünü incelemek olmakla beraber, bir karşılaştırma imkânı sağlaması açısından dünyada sinema endüstrisi alanında önemli yeri olan başta ABD (Hollywood) olmak üzere örnek teşkil edebilecek Hindistan (Bollywood) ve Nijerya (Nollywood) sinema sektörlerinin de değişik açılardan incelenmesidir. Çalışmanın ilk iki bölümünde Hollywood, Bollywood ve Nollywood film endüstrilerinin gelişimi el alınmıştır. Üçüncü bölümde Türk sinemasının doğuşu ve gelişimi incelenmiştir. Çalışmanın dördüncü bölümünde ise Türk sinemasında film içerikleri örneklerle sunulmuştur. Son bölümde ise Türk sinemasının genel bir değerlendirmesi üzerinden Türk sinemasının geleceği üzerine fikirler ortaya atılmaktadır.

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