Browsing Ekonomi Bölümü by Issue Date

Now showing items 1-19 of 19

Nonnormal regression. i. skew distributions

Islam, M. Qamarul; Tiku, M. L.; Yıldırım, F. (Marcel Dekker Inc, 2001)

In a linear regression model of the type y = thetaX + e, it is often assumed that the random error e is normally distributed. In numerous situations, e.g., when y measures life times or reaction times, e typically has a ...
Nonnormal regression. II. Symmetric distributions

Tiku, M. L.; Islam, M. Qamarul; Selçuk, A. S. (Taylor&Francis INC, 2001)

Salient features of a family of short-tailed symmetric distributions, introduced recently by Tiku and Vaughan [1], are enunciated. Assuming the error distribution to be one of this family, the methodology of modified ...
Training for Empowerment in Turkish Women's NGOs: Processes and Impact

Kardam, Filiz (2003)

This article attempts to study the concept of empowerment in the Turkish context based on the case studies of women's organisations implementing empowerment training programs. The study brings together the evaluations of ...
Multiple linear regression model under nonnormality

Islam, M. Q.; Tiku, M. L. (2004-10)

We consider multiple linear regression models under nonnormality. We derive modified maximum likelihood estimators (MMLEs) of the parameters and show that they are efficient and robust. We show that the least squares ...
Türkiye' de namus cinayetlerinin dinamikleri

Kardam, Filiz (Nüfus Bilim Derneği, 2005)
Regression analysis with a dtochastic design variable

Sazak, Hakan; Tiku, Moti L.; S., Hakan; Islam, M. Qamarul (In Statistical Inst, 2006-04)

In regression models, the design variable has primarily been treated as a nonstochastic variable. In numerous situations, however, the design variable is stochastic. The estimation and hypothesis testing problems in such ...
A case study: Internet based collaborative and cooperative learning

Demirbulak, D.; Aşkun, Ali Rıza (2007)

The Internet has improved the quality and quantity of communication all over the world by providing opportunity to electronically deliver and share knowledge instantly all over the world. As for the impact of this on ...
Social Capital and Business Development in High-Technology Clusters: An Analysis of Contemporary U.S. Agglomerations

Aydoğan, Neslihan; Chen, Yiu Por (2008)
Türkiye’de Cumhuriyetçi Vatandaşlık: Algılama, Pratikler ve Gerilimler

Kardam, Filiz; Cengiz, Kurtuluş (Yordam Kitap, 2009)
The New Keynesian Phillips curve: in search of improvements for Adaptation to the Turkish economy

Eruygur, Ayşegül (2011)

Bu makalede oldukça geniş olan Yeni Keynesgil Phillips Eğrisi literatürü; hem teorik hem de ampirik açıdan bir çok tartışmayı gözler önüne serecek biçimde incelenmiştir. Yeni Keynesgil Phillips Eğrisi’nin Türkiye uygulamaları ...
DO R&D expenditures matter for labor productivity in oecd countries? An unresolved question

Erdil, Erkan; Cilasun, Seyit Mümin; Eruygur, Ayşegül (2013)

Çalışmanın amacı, 22 OECD ülkesi için 19912003 dönemi verilerini kullanarak araştırma geliştirme harcamaları ile işgücü verimliliği arasındaki ilişkiyi panel veri yöntemleri kullanarak incelemektir. Bu amaçla, fiziki ...
DO R&D expenditures matter for labor productivity in oecd countries? An unresolved question

Erdil, Erkan; Cilasun, Seyit Mümin; Eruygur, Ayşegül (2013)

Çalışmanın amacı, 22 OECD ülkesi için 1991 2003 dönemi verilerinikullanarak araştırma geliştirme harcamaları ile işgücü verimliliği arasındakiilişkiyi panel veri yöntemleri kullanarak incelemektir. Bu amaçla, fiziki sermeye, ...
Does the term structure of interest rate predict real economic activity? Nonlinear evidence from Turkey

Omay, Tolga; Hasanov, Mübariz (2013-01)

In this chapter we investigate whether the term structure of interest rates contains useful information about future real economic activity in Turkey for the period 1995:1 to 2003:3. The best model to describe the relationship ...
Re-examining the real interest rate parity hypothesis (RIPH) using panel unit root tests with asymmetry and cross-section dependence

Çorakçı, Ayşegül; Emirmahmutoğlu, Furkan; Omay, Tolga (Springer, 2017-02)

This paper investigates the validity of the real interest rate parity hypothesis (RIPH) using a panel unit root approach. For this purpose, first we estimate the possible nonlinear data-generating processes of the real ...
Real interest rates: nonlinearity and structural breaks

Omay, Tolga; Çorakçı, Ayşegül; Emirmahmutoğlu, Furkan (Physica-Verlag Gmbh & Co, 2017-02)

Real interest rate is a crucial variable that determines the consumption, investment and saving behavior of individuals and thereby acts as a key policy tool that the central banks use to control the economy. Although many ...
High persistence and nonlinear behavior in financial variables: A more powerful unit root testing in the estar framework

Omay, Tolga; Çorakçı, Ayşegül; Hasdemir, Esra (2021-10-02)

In this study, we consider the hybrid nonlinear features of the Exponential Smooth Transition Autoregressive-Fractional Fourier Function (ESTAR-FFF) form unit root test. As is well known, when developing a unit root test ...
A Unit Root Test with Markov Switching Deterministic Components: A Special Emphasis on Nonlinear Optimization Algorithms

Omay, Tolga; Çorakçı, Ayşegül (2023)

In this study, we investigate the performance of different optimization algorithms in estimating the Markov switching (MS) deterministic components of the traditional ADF test. For this purpose, we consider Broyden, Fletcher, ...
Is there convergence in renewable energy deployment? Evidence from a new panel unit root test with smooth and sharp structural breaks

Çorakçı, Ayşegül; Omay, Tolga (2023-03)

This study examines whether the contribution of renewable energy to the total primary energy supply converges in a panel of 24 OECD countries over the period 1960–2020. To this end, a new panel unit root test that allows ...
A nonparametric panel data model for examining the contribution of tourism to economic growth

Doğan, Ergun; Zhang, Xibin (2023-11)

We apply a nonparametric panel data model with cross-sectional and time-varying coefficients to examine the relationship between tourist arrivals and economic growth in the Schengen area from 1995 to 2019. In contrast to ...

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