İktisat Bölümü Yayın Koleksiyonu

Permanent URI for this collectionhttps://hdl.handle.net/20.500.12416/402

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Citation - WoS: 7
Citation - Scopus: 5
Distinct Asymmetric Effects of Military Spending on Economic Growth for Different Income Groups of Countries
(Taylor & Francis Ltd, 2023) Karadam, Duygu Yolcu; Öcal, Nadir; Ocal, Nadir; Yildirim, Julide; 163521; İktisat
Although possible asymmetries for univariate and multivariate dynamics have been the focus of interest in many areas of economic explorations, it seems that most of the research on military expenditure - economic growth nexus has tended to assume linear relationships. This paper aims to examine possible nonlinearities in military expenditure-economic growth nexus employing data for a sample of 103 countries covering the 1988-2019 period. For this purpose, Panel Smooth Transition Regression, PSTR, models are estimated not only for all countries' sample but also for low income, middle income, and high-income countries' subsamples to reveal possible distinct asymmetric relationships for country groups with different income levels. Empirical results for the whole sample, low income and middle income groups indicate that military expenditure not only governs the regime change, but also low and high levels of military expenditure have distinctive and rising negative effects on economic growth with dissimilar threshold effects. Moreover, empirical findings also indicate that net arms exports govern regime change for high income countries, and as net arms exports rise, the negative impacts of military expenditure on economic growth become deeper.
Citation - WoS: 4
Citation - Scopus: 4
Inference in multivariate linear regression models with elliptically distributed errors
(Taylor & Francis Ltd, 2014) Yıldırım, Fetih; Islam, M. Qamarul; Yildirim, Fetih; Yazıcı, Mehmet; Yazici, Mehmet; 6772; 144084; Ortak Dersler Bölümü; İktisat
In this study we investigate the problem of estimation and testing of hypotheses in multivariate linear regression models when the errors involved are assumed to be non-normally distributed. We consider the class of heavy-tailed distributions for this purpose. Although our method is applicable for any distribution in this class, we take the multivariate t-distribution for illustration. This distribution has applications in many fields of applied research such as Economics, Business, and Finance. For estimation purpose, we use the modified maximum likelihood method in order to get the so-called modified maximum likelihood estimates that are obtained in a closed form. We show that these estimates are substantially more efficient than least-square estimates. They are also found to be robust to reasonable deviations from the assumed distribution and also many data anomalies such as the presence of outliers in the sample, etc. We further provide test statistics for testing the relevant hypothesis regarding the regression coefficients.
Citation - WoS: 13
Citation - Scopus: 13
Multiple linear regression model with stochastic design variables
(Taylor & Francis Ltd, 2010) Islam, M. Qamarul; Tiku, Moti L.
In a simple multiple linear regression model, the design variables have traditionally been assumed to be non-stochastic. In numerous real-life situations, however, they are stochastic and non-normal. Estimators of parameters applicable to such situations are developed. It is shown that these estimators are efficient and robust. A real-life example is given.
Citation - WoS: 2
Citation - Scopus: 2
On the heterogeneous effects of tax policy on labor market outcomes
(Wiley, 2022) Adnan, Wifag; Arin, Kerim Peren; Corakci, Aysegul; Spagnolo, Nicola; 103299
Many recent studies have documented the heterogeneous effects of government-spending shocks on major macroeconomic variables, particularly on output. We delve deeper into the heterogeneous effects of fiscal policy innovations, but focus on the tax policy innovations and their impact on the labor market, while accounting for gender, race, ethnicity, and the business cycle. Using microlevel data from the United States, we find that: (i) Tax shocks have varying employment effects depending on gender, race, and the stage of the business cycle; (ii) Sector, industry, and occupational segregation in labor markets by gender, race, and ethnicity can explain most of the variation in response to fiscal policy shocks.
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 - WoS: 0
Citation - Scopus: 1
Real exchange rates and job flows: evidence from Turkey
(Routledge Journals, Taylor & Francis Ltd, 2018) Dogan, Ergun; Yazıcı, Mehmet; Islam, M. Qamarul; Yazici, Mehmet; 43080; 14480; İktisat
This study investigates the effects of the real exchange rate on job flows in Turkish manufacturing industries between 2006 and 2015 using data at the four-digit NACE Revision 2 level. Using dynamic panel data models, we find that a real appreciation increases gross and net job creation rates, and that the effect of appreciation is magnified as the exposure to international competitiveness of industries increases. We think that this is because Turkish manufacturing firms import a greater share of their inputs compared to the firms in developed countries. Hence, an appreciation creates more jobs because lower imported input costs enable firms to outcompete foreign producers.
Citation - WoS: 10
Citation - Scopus: 14
Sources and Channels of International Knowledge Spillovers in ASEAN-5: The Role of Institutional Quality
(Wiley, 2020) Dogan, Ergun; Wong, Koi Nyen; 43080
Association of Southeast Asian Nations (ASEAN) is a dynamic and outward-looking regional economy, which has made notable progress in expanding trade and investment. This paper examines whether knowledge spillovers are prevalent among ASEAN-5, focusing on the issues of which channels and which sources are the potential drivers of total factor productivity. The findings reveal that the key spillover channels are exports and non-capital imports coming from source countries such as the Organisation for Economic Co-operation and Development (OECD) countries, the G7 countries. The institutional quality plays an instrumental role in increasing total factor productivity through foreign direct investment, especially when the spillovers originate from the OECD and the G7. (c) 2020 John Wiley & Sons, Ltd.
Citation - WoS: 7
Citation - Scopus: 6
The effects of federal regulations on corruption in US States
(Elsevier Science inc, 2020) Dincer, Oguzhan; Günalp, Burak; Gunalp, Burak; 9839; Yönetim Bilişim Sistemleri
Using the newly constructed Federal Regulation and State Enterprise Index (FRASE Index) to measure the federal regulations and the existing Corruption Convictions Index (CCI), we investigate the effects of federal regulations on corruption in U.S. states. Controlling for several demographic and economic variables including the Fraser Institute's Economic Freedom Index (EFI), which measures the size and scope of government in U.S. states, we find a positive and statistically significant relationship between federal regulations and corruption. Our findings have important policy implications. A 1 standard deviation increase in FRASE Index causes CCI to increase by approximately 0.5 standard deviations. Standardized coefficient of EFI is also approximately equal to 0.5. In other words, it is possible to mitigate the effects of regulations at the federal level by reducing the size and the scope of the government at the state level.
Citation - WoS: 9
Citation - Scopus: 14
Trade openness and industrial growth: evidence from Nigeria
(Savez Ekonomista Vojvodine, 2017) Adamu, Fahad Muhammad; Dogan, Ergun; 43080
This study examines the long-run and short-run relationship between industrial production and trade openness in Nigeria during the period from 1986 to 2008 by using quarterly data. It employs the ARDL bounds testing methodology developed by M. Hashem Pesaran, Yongcheol Shin, and Richard J. Smith (2001). The results of both the long-run analysis and the short-run error correction model (ECM) indicate that trade openness has a significant and positive impact on industrial production. The Toda-Yamamoto causality analysis shows that there is one-way Granger causality, running from trade openness to industrial production.
Citation - WoS: 4
Citation - Scopus: 9
Turnover, ownership and productivity in Malaysian manufacturing
(Routledge Journals, Taylor & Francis Ltd, 2013) Dogan, Ergun; Wong, Koi Nyen; Yap, Michael M. C.; 43080
Applying Foster, Haltiwanger, and Krizan's decomposition of productivity growth method to Malaysian manufacturing census data for 2000 and 2005, we analyze if firm turnover by ownership (domestic vs. foreign) has any impact on the sector's aggregate productivity growth. The findings show that turnover matters regardless of ownership, but more importantly, attracting foreign direct investment inflows could induce positive net entry effect'. The analysis shows that large-sized foreign and domestic entrants are more productive than medium-sized and especially small-sized ones. The study provides important implications for government policies based on ownership and firm size.

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