Uluslararası Ticaret ve Finans Bölümü Koleksiyonu

Permanent URI for this collectionhttps://hdl.handle.net/20.500.12469/67

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Now showing 1 - 5 of 5

Citation - WoS: 15
Citation - Scopus: 17
Behavioral Biases of Finance Professionals: Turkish Evidence
(Elsevier Science Bv, 2016) Kiymaz, Halil; Öztürkkal, Belma; Akkemik, K. Ali
This study extends the existing literature on the determinants of behavioral biases of Turkish finance sector professionals. It examines the impact of various personal and objective attributes of finance sector professionals on their risk choices derived from their portfolio allocation and personal wealth data. Utilizing survey data from 206 professionals we find that these professionals take higher risk in the form of investment in equities when investing in home country firms (geographic bias) and investing in firms headquartered in their home towns (home bias). Those relying on their own predictions when making investment decisions and those with emotional biases invest less in equities. Findings further show that younger professionals professional with less education with lower risk aversion and with single broker accounts are more likely to invest in equities. We also find that those with higher expected returns invest more in equities showing overconfidence. Subsample analysis results for finance professionals suggest that portfolio managers and brokerage company professionals display differing risk taking behavior. (C) 2016 Elsevier B.V. All rights reserved.
Citation - WoS: 11
Citation - Scopus: 11
Bivariate Pseudo-Gompertz Distribution and Concomitants of Its Order Statistics
(Elsevier Science Bv, 2013) Yorubulut, Serap; Gebizlioğlu, Ömer Lütfi
This paper presents a new bivariate Pseudo-Gompertz distribution that sprouts from the classical Gompertz distribution and possesses the features of pseudo-distribution functions. In addition to some standard properties of the proposed distribution distributions of order statistics and their concomitants for samples drawn from the new distribution are obtained. The survival and hazard functions of the concomitants are shown and their values are tabled. Interpretations of the results are given in connection with risk events and risk management. (C) 2013 Elsevier B.V. All rights reserved.
Citation - WoS: 11
Citation - Scopus: 10
Modeling of Claim Exceedances Over Random Thresholds for Related Insurance Portfolios
(Elsevier Science Bv, 2011) Eryilmaz, Serkan; Gebizlioğlu, Ömer Lütfi; Tank, Fatih
Large claims in an actuarial risk process are of special importance for the actuarial decision making about several issues like pricing of risks determination of retention treaties and capital requirements for solvency. This paper presents a model about claim occurrences in an insurance portfolio that exceed the largest claim of another portfolio providing the same sort of insurance coverages. Two cases are taken into consideration: independent and identically distributed claims and exchangeable dependent claims in each of the portfolios. Copulas are used to model the dependence situations. Several theorems and examples are presented for the distributional properties and expected values of the critical quantities under concern. (C) 2011 Elsevier B.V. All rights reserved.
Citation - WoS: 2
Citation - Scopus: 3
Profit Sharing Between Managers and Investors: an Experimental Investigation
(Elsevier Science Bv, 2015) Öztürkkal, Belma
This study analyzes the effect of interest and power structures and conflict of interest among managers and investors and tests the effect of different payout mechanisms on willingness to pay. In this study 74 student subjects are involved in a setting where the manager is determining his own compensation. A series of experiments that vary managers' ability to determine their own compensation and investors' ability to punish inappropriate behavior are reported. The experiments involve pairs of subjects consisting of an investor and a manager with asymmetric decision making powers. When managers compensate themselves inappropriately investors' recourse is to shun the company's shares-a model that arguably corresponds more closely to reality than the accepted efficient market traditional paradigm. The experiment shows that managers share profits even when investors cannot withhold investment and investors fairly compensate managers as well. This pattern explains both the ability of capital markets to function despite the presence of inherent moral hazard and occasional managerial misbehavior. Copyright (C) 2015 Borsa Istanbul Anonim Sirketi. Production and hosting by Elsevier B.V.
Citation - WoS: 18
Citation - Scopus: 20
Who Was Colonized and When? a Cross-Country Analysis of Determinants
(Elsevier Science Bv, 2016) Ertan, Sabri Arhan; Fiszbein, Martin; Futterman, Louis
The process of colonization has shaped the economic and demographic contours of the modern world. In this paper we study the determinants of the occurrence and timing of colonization of non-European countries by Western European powers. Of particular interest is the role of early development measures that are known to be strong correlates of present-day levels of income. We show that non-European societies with longer histories of agriculture and statehood and higher levels of technology adoption in 1500 were less likely to be colonized and tended to be colonized later if at all. We also find that proximity to the colonizing powers disease environment and latitude are significant predictors of the occurrence and timing of colonization although their impacts are less robust to choice of country sample. Our models have high explanatory power and their support for the significance of early development is robust to the use of alternative indicators of early development and disease to the use of instruments to focus on the exogenous component of early development and to the joint estimation of the colonization and timing equations to correct for potential selection bias. (C) 2015 Elsevier B.V. All rights reserved.

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