Çamalan, Özge

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https://hdl.handle.net/20.500.14411/7178
Name Variants
Ç., Özge
Camalan, Ozge
C., Ozge
Ö.,Çamalan
Özge, Çamalan
C.,Ozge
Ozge, Camalan
Camalan,O.
Çamalan, Özge
O.,Camalan
Ç.,Özge
Çamalan,Ö.
O., Camalan
Ö., Çamalan
Job Title
Araştırma Görevlisi
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ozge.camalan@atilim.edu.tr
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Economics
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REDUCED INEQUALITIES
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PEACE, JUSTICE AND STRONG INSTITUTIONS
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SUSTAINABLE CITIES AND COMMUNITIES
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DECENT WORK AND ECONOMIC GROWTH
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Scholarly Output

6

Articles

5

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1

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WoS Citation Count

6

Scopus Citation Count

8

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1.00

Scopus Citations per Publication

1.33

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5

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Ankara Hacı Bayram Veli Üniversitesi İktisadi ve İdari Bilimler Fakültesi Dergisi (Online)1
Computational Economics1
İşletme Araştırmaları Dergisi1
Sustainability1
World Journal of Applied Economics1
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Author: Hasdemir, Esra

Scholarly Output Search Results

Now showing 1 - 2 of 2
  • Thumbnail Image
    Article
    Citation - WoS: 3
    Citation - Scopus: 3
    Comparison of the Performance of Structural Break Tests in Stationary and Nonstationary Series: a New Bootstrap Algorithm
    (Springer, 2024) Camalan, Ozge; Hasdemir, Esra; Omay, Tolga; Kucuker, Mustafa Can
    Structural breaks are considered as permanent changes in the series mainly because of shocks, policy changes, and global crises. Hence, making estimations by ignoring the presence of structural breaks may cause the biased parameter value. In this context, it is vital to identify the presence of the structural breaks and the break dates in the series to prevent misleading results. Accordingly, the first aim of this study is to compare the performance of unit root with structural break tests allowing a single break and multiple structural breaks. For this purpose, firstly, a Monte Carlo simulation study has been conducted through using a generated homoscedastic and stationary series in different sample sizes to evaluate the performances of these tests. As a result of the simulation study, Zivot and Andrews (J Bus Econ Stat 20(1):25-44, 1992) are the best-performing tests in capturing a single break. The most powerful tests for the multiple break setting are those developed by Kapetanios (J Time Ser Anal 26(1):123-133, 2005) and Perron (Palgrave Handb Econom 1:278-352, 2006). A new Bootstrap algorithm has been proposed along with the study's primary aim. This newly proposed Bootstrap algorithm calculates the optimal number of statistically significant structural breaks under more general assumptions. Therefore, it guarantees finding an accurate number of optimal breaks in real-world data. In the empirical part, structural breaks in the real interest rate data of the US and Australia resulting from policy changes have been examined. The results concluded that the bootstrap sequential break test is the best-performing approach due to the general assumption made to cover real-world data.
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    Article
    Ekolojik Çıkarım Yöntemi: 2024 Yılı Ankara Büyükşehir Belediye Başkanlığı Seçimi Oy Geçiş Analizi
    (2024) Hasdemir, Esra; Çamalan, Özge; Üner, Mehmet Mithat
    Ekolojik çıkarım yöntemi, bireysel verilere erişimin mümkün olmadığı ya da çok zor olduğu durumlarda, toplulaştırılmış düzeydeki verilerden hareketle bireysel düzeydeki verilere yönelik tahminler yapılmasını sağlayan bir yaklaşımdır. Buradan hareketle, çalışma kapsamında, 2024 yılında yapılan Ankara Büyükşehir Belediye Başkanlığı seçimine ait oy geçişleri Rosen, Jiang, King ve Tanner (2001) tarafından geliştirilen ekolojik çıkarım yaklaşımıyla analiz edilmiştir. Söz konusu oy geçişleri, 8×8 boyutunda kontenjans tablosu temelinde yapılan analiz sonucunda hem seçmen sayısı hem de geçiş olasılık matrisi bazında tahmin edilmiş ve yorumlanmıştır. Elde edilen tahminler, Sankey diyagramı çizilerek görselleştirilmiştir. Ankara Büyükşehir Belediye Başkanlığı seçimi temelinde yapılan analiz sonuçlarına göre, 2019 seçimlerinde Adalet ve Kalkınma Partisi (AK Parti) için oy kullanan seçmenin %54’ünün 2024 seçiminde de AK Parti’ye oy verdiği, 2019 yılı seçiminde AK Parti’ye oy verenlerin yaklaşık %20’sinin 2024 seçiminde oy kullanmadığı, %16,6’sının ise Cumhuriyet Halk Partisi (CHP)’ ne oy verdiği tahmin edilmiştir. Aynı analiz sonuçlarına göre, 2019 seçimlerinde CHP yönünde oy kullanan seçmenin %82,7’sinin yeniden CHP’ye oy verdiği, %10,5’inin oy kullanmadığı, %2,1’inin AK Parti’ye oy verdiği belirlenmiştir. Analizin bir diğer bulgusu ise, 2019 seçiminde oy kullanmayan seçmenin %58,8’inin 2024 yerel seçiminde de oy kullanmamayı tercih ettiği, 2019 yılı seçiminde oy kullanmayan seçmenlerin geriye kalan kısmının %23,5’inin CHP’ye, %1,9’unun AK Parti’ye, %7,8’inin diğer partilere, %2,3’ünün Yeniden Refah Partisi (YRP)’ne, %1,1’i ise İYİ Parti’ye oy verdiği şeklindedir.