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ÖZLALE, Ümit

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Ümit

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ÖZLALE
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    On characterizing sectoral interactions via connections between employees in professional online social networks
    (Elsevier, 2018-12) Ayvaz, Demet; Gürsun, Gonca; Özlale, Ümit; Economics; Computer Science; GÜRSUN, Gonca; ÖZLALE, Ümit; Ayvaz, Demet
    The collaboration among individuals is essential to maximize economic efficiency. Today most of the technological and economical advancements require multidisciplinary efforts. Therefore promoting interaction and knowledge sharing between industry sectors within a country is more crucial than ever. One main platform for such communication is business-oriented online social networks where thousands of professionals from various sectors connect with each other. These social networks provide a way of disseminating the latest information in technology and business. Our goal in this paper is to analyze the connectivity patterns of individuals in a business-oriented social network as a tool to understand how industry sectors are represented and interact with each other in such online platforms. To do that, we collect profiles of thousands of employees from a professional online social network. Then, first, we analyze the structural properties of the network and report its characteristics in comparison with the non-professional ones. Second, we map each employee to the sector she works in and study the connectivity patterns within each sector separately. We find that the connectivity patterns within sectors vary and the employees within a sector do not necessarily form densely connected communities. Third, we investigate the relationship between sectors via the connectivity of their employees and identify the main social clusters of sectors. We show that there are significant similarities between social connectivity and the economic transactions between sectors.
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    Islamic capitalism and the rise of religious-conservative big business
    (Taylor & Francis, 2020) Fabbe, K.; Özlale, Ümit; Balıkçıoğlu, E. M.; Economics; Colpan, A. M.; Jones, G.; ÖZLALE, Ümit
    This chapter argues that the rise of “Islamic capitalism” and the country’s so-called “conservative bourgeoisie” owes much to the pragmatism and agility of Islamic actors who are quick to seize upon new economic and political opportunities by leveraging religious identity markers, religious discourse, and religious networks. By revealing their pragmatic approach to introducing the idea of Islamic capitalism in Turkey, and especially their efforts to distinguish it from capitalism more generally, the chapter sheds light on how religious and cultural values both shape and are shaped by the economic imperatives of participation in the global economic system.
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    A comparison of optimal policy rules prior to and during inflation targeting: empirical evidence from Bank of Canada
    (Taylor & Francis, 2017) Eksi, O.; Kaya Eksi, N.; Özlale, Ümit; Economics; ÖZLALE, Ümit
    We examine policy rules that are consistent with inflation targeting (IT) framework in a small macroeconomic model of the Canadian economy. We set up an optimal linear regulator problem and derive policy rules to compare the dynamics of pre-IT and IT eras. We find that while the optimal monetary policy rule in the pre-IT period is best described with a loss function that attaches equal weight to price stability, financial stability and output stability; the IT era is dominated by the price stability objective followed by the financial stability and output stability, consecutively. Moreover, we do not find an explicit role for exchange rate stability in the objective function of the Bank of Canada for both monetary policy eras. We, then, compare the properties of the derived optimal rules with those of an ad hoc Taylor rule for the IT period. In response to inflationary shocks, Taylor rule brings down inflation rates more quickly compared to the derived policy rules, but at the cost of a higher sacrifice ratio and more volatile interest rates.