İktisadi ve İdari Bilimler Fakültesi

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Citation - WoS: 3
Citation - Scopus: 3
A Feminist Reading of Turkish Foreign Policy and the S-400 Crisis
(Sage Publications inc, 2021) Akca Atac, C.; 17826
Hypermasculine hegemonic masculinities have become the norm to dominate the foreign policies all around the world. As the populist foreign-policy visions, the byproducts of androcentric norm-creation, undermine the established rules for peace, diplomacy and co-existence in the international system, other experiences have faded away from the narratives that have defined and contributed to foreign policies. The accelerating urgency of the national security agendas of the hypermasculine states seek to cancel feminist definitions, practices and theories for the sake of physical force and state control. Nevertheless, more than any other period in history, it is these conflicting times that necessitate Cynthia Enloe's 'curious feminist' questions the most. Turkish foreign policy of the last decade has become a quintessential example of hypermasculine hegemonic masculinity, especially within the context of the S-400 crisis with the US, NATO and Russia; its feminist critics are distressingly rare. This paper aims to offer an alternative reading of Turkey's S-400 saga from a feminist perspective to contribute a Turkish case to feminist International Relations. First a definition of feminist International Relations will be provided. Then, the hypermasculine character of the Turkish hegemonic masculinity and its reflection on the current Turkish foreign policy will be analyzed. Lastly, the S-400 crisis of Turkey's decision to buy Russian defense missiles as a NATO member will be examined.
Citation - WoS: 1
Citation - Scopus: 1
A Unit Root Test with Markov Switching Deterministic Components: A Special Emphasis on Nonlinear Optimization Algorithms
(Springer, 2024) Omay, Tolga; Omay, Tolga; Corakci, Aysegul; 103299; Çankaya Meslek Yüksekokulu
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, Goldfarb, and Shanno (BFGS), Berndt, Hall, Hall, Hausman (BHHH), Simplex, Genetic, and Expectation-Maximization (EM) algorithms. The simulation studies show that the Simplex method has significant advantages over the other commonly used hill-climbing methods and EM. It gives unbiased estimates of the MS deterministic components of the ADF unit root test and delivers good size and power properties. When Hamilton's (Econometrica 57:357-384, 1989) MS model is re-evaluated in conjunction with the alternative algorithms, we furthermore show that Simplex converges to the global optima in stationary MS models with remarkably high precision and even when convergence criterion is raised, or initial values are altered. These advantages of the Simplex routine in MS models allow us to contribute to the current literature. First, we produce the exact critical values of the generalized ADF unit root test with MS breaks in trends. Second, we derive the asymptotic distribution of this test and provide its invariance feature.
Citation - WoS: 19
Citation - Scopus: 20
An Extended Mixed-Integer Programming Formulation and Dynamic Cut Generation Approach for the Stochastic Lot-Sizing Problem
(informs, 2018) Tunc, Huseyin; Kilic, Onur A.; Tarim, S. Armagan; Rossi, Roberto; 6641
We present an extended mixed-integer programming formulation of the stochastic lot-sizing problem for the static-dynamic uncertainty strategy. The proposed formulation is significantly more time efficient as compared to existing formulations in the literature and it can handle variants of the stochastic lot-sizing problem characterized by penalty costs and service level constraints, as well as backorders and lost sales. Also, besides being capable of working with a predefined piecewise linear approximation of the cost function-as is the case in earlier formulations-it has the functionality of finding an optimal cost solution with an arbitrary level of precision by means of a novel dynamic cut generation approach.
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: 5
Does workplace envy always have detrimental consequences in organizations? A study of public and private sector employees
(Emerald Group Publishing Ltd, 2022) Sener, Irge; Şener, İrge; Karabay, Melisa Erdilek; Elci, Meral; Erman, Halil; 21583; İşletme
Purpose Based on the situational approach for envy, the purpose of this paper is to examine the effect of two-dimensional workplace envy (being envied and envying others) on the task and contextual performance of employees working in either private or public sector organizations. Design/methodology/approach This study was conducted on survey data collected from 988 private sector employees and 530 employees from the public sector employed in Istanbul. Following a quantitative empirical design, structural equation modeling was used to test the hypotheses. Findings The study results revealed that envying-others dimension has a significant negative effect on both task performance and contextual performance. In addition, the findings indicate more envious feelings of private sector employees than public sector employees. For public sector employees, male participants were found to envy others more than females. Research limitations/implications In addition to the contributions, this study has its limitations. First, although the study was carried out with a comprehensive sample, it is limited to the views of 1,518 employees in Istanbul and is a cross-sectional study. Also, employee performance is evaluated through self-reporting, which forms another limitation; it could have been more reliable for the supervisors to assess their subordinates' performance. Practical implications Apart from scholars, our findings have implications for practitioners. Feelings such as envy that comes with a sense of competition can create an environment that stimulates people, motivates them to work, can make them productive and can also cause an ultimately destructive situation. This makes it critical to manage envy in the workplace. Though there may be facilitators behind it, one crucial factor that fuels envy in the workplace is the lack of fair human resources policies and systems. Still, human resources management is undeveloped in most public organizations. With effective human resources management, there may be some roadmaps for managers to dissolve conflicts arising from envy. First, it is imperative to have systems that will separate the employee from the others, which everyone will accept, strengthening the feelings of justice among employees. Envy often occurs following a social comparison. Management can implement an incentive system that supports employee collaboration and avoid nepotism. Especially in private organizations where the competition is more among employees, managers should give more attention to understand their subordinates' feelings. The managers' attention to expressing their feelings toward their subordinates could establish an equal distance within the workplace. In this sense, language selection is critical, and managers should be mindful of linguistic triggers. Managers should not avoid giving both positive and negative feedback to their employees. Unwarranted and unsystematic reward and/or punishment systems, made with the good intentions of increasing competition, can trigger envy. Finally, managers should implement an open-door policy and open communication that will encourage all team members to be transparent to each other. Originality/value The study was based on a rationale that envy has detrimental workplace outcomes that lead to low task and contextual performance. Although there exists a recent interest for examining the relation between workplace envy and employee performance, based on being envied and envying others dimensions, these studies are limited. This study focuses on these dimensions and performance relations, and it also provides a comparative outlook for public and private sector employees in Turkey in terms of workplace envy.
Citation - WoS: 28
Citation - Scopus: 29
Employee deviant behavior: role of culture and organizational relevant support
(Emerald Group Publishing Ltd, 2019) Kalemci, R. Arzu; Kalemci-Tuzun, Ipek; Ozkan-Canbolat, Ela; 42537
Purpose The purpose of this paper is to increase the knowledge and understanding of organizational and supervisory support in the context of employee deviant workplace behavior (DWB) by examining the potential associations of employees' cultural value orientations. This paper aims to: clarify DWB; review perceived organizational support (POS) and perceived supervisory support (PSS); discuss the meaning of employees' cultural value orientations (individualism-collectivism, power distance and paternalism); use the fuzzy logic model to analyze relationships between DWB and POS, as well as PSS and employees' cultural value orientations. Design/methodology/approach This research applies a fuzzy-set qualitative comparative analysis. Findings The results show the role of employee perceived organizational and supervisory support and cultural dimension (power distance and paternalism) configurations on employee DWB. Originality/value The main originality of this study is to further increase the understanding of organizational and supervisory support in the context of employee DWB by examining the potential associations of employees' cultural value orientations. This study extends the previous research by providing evidence that organizational and supervisory support influences employees' DWB.
Citation - WoS: 10
Citation - Scopus: 10
ENERGY CONSUMPTION AND GROWTH: NEW EVIDENCE FROM A NON-LINEAR PANEL AND A SAMPLE OF DEVELOPING COUNTRIES
(World Scientific Publ Co Pte Ltd, 2015) Omay, Tolga; Omay, Tolga; Apergis, Nicholas; Ozcelebi, Hulya; Çankaya Meslek Yüksekokulu
This paper investigates the relationship between economic growth and energy consumption through non-linear causality tests. Eight developing countries from Europe and Central Asia spanning the period 1993 to 2008 are selected for the purpose of panel empirical analysis. Panel unit root and panel cointegration tests with and without considering cross section dependency (CD) problems are implemented. Next, linear panel cointegration tests are employed and, finally, a two-regime Dynamic Panel Smooth Transition Vector Error Correction (PSTRVEC) model is estimated for testing the presence of non-linear short-and long-run causality. To this end, a new estimator, called the Dynamic Non-linear Pooled Common Correlated Effect Estimator (DNPCCEE) is proposed. The empirical findings indicate that short and long-run causalities are regime-dependent.
Citation - WoS: 18
Citation - Scopus: 18
Estimation in bivariate nonnormal distributions with stochastic variance functions
(Elsevier Science Bv, 2008) Tiku, Moti L.; Islam, M. Qamarul; Sazak, Hakan S.
Data sets in numerous areas of application can be modelled by symmetric bivariate nonnormal distributions. Estimation of parameters in such situations is considered when the mean and variance of one variable is a linear and a positive function of the other variable. This is typically true of bivariate t distribution. The resulting estimators are found to be remarkably efficient. Hypothesis testing procedures are developed and shown to be robust and powerful. Real life examples are given. (C) 2007 Elsevier B.V. All rights reserved.
Citation - WoS: 12
Citation - Scopus: 16
Exchange rate risk and international trade: The role of third country effect
(Elsevier Science Sa, 2018) Tunc, Cengiz; Solakoglu, M. Nihat; Babuscu, Senol; Hazar, Adalet; 265921; 161529; 117425; 219046
Using the recently launched Exporter Dynamics Database of the World Bank, this paper empirically investigates the role of external exchange rate risk (third-country effect) on trade flows between countries. We find a strong positive influence of external exchange rate risk on exports to a specific destination. However, the effect is more observable in advanced destination countries, countries with low bilateral exchange rate volatility in comparison to external exchange rate volatility, and countries in which export is concentrated among a small number of firms. (C)2018 Elsevier B.V. All rights reserved.
Citation - WoS: 88
Citation - Scopus: 82
Fractional frequency flexible fourier form to approximate smoothbreaks in unit root testing
(Elsevier Science Sa, 2015) Omay, Tolga; Omay, Tolga; 19320; Çankaya Meslek Yüksekokulu
In this study, a Fractional Frequency Flexible Fourier Form DF-type unit root test is proposed. The small sample properties of the proposed test are found to be better than that of the integer frequency counterpart. (C) 2015 Elsevier B.V. All rights reserved.
Citation - WoS: 3
Citation - Scopus: 2
Hegemonic masculinity and terrorism: the case of the PKK and Abdullah Öcalan
(Taylor & Francis Ltd, 2020) Turk, H. Bahadir
Recent years have seen an increase in the study of the relationship between gender and terrorism. This article analyzes the relationship between hegemonic masculinity and terrorism through the case of the Kurdistan Workers' Party (Partiya Karkeren Kurdistan or PKK) and its leader Abdullah ocalan. Using the method of narrative analysis, the study first examines the concept of hegemonic masculinity. The study attempts to make sense of how the concept of hegemonic masculinity operates within the PKK. To achieve this goal, the study demonstrates the major functions of hegemonic masculinity within terrorist organisations. Accordingly, it is argued that the perspective of masculinity studies can be used to gain a better and highly instructive understanding of political violence and terrorism.
Citation - WoS: 2
Citation - Scopus: 3
High persistence and nonlinear behavior in financial variables: A more powerful unit root testing in the estar framework
(Mdpi, 2021) Omay, Tolga; Omay, Tolga; Corakci, Aysegul; Hasdemir, Esra; 103299; Çankaya Meslek Yüksekokulu
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 for the ESTAR model, linearization is performed by the Taylor approximation, and thereby the nuisance parameter problem is eliminated. Although this linearization process leads to a certain amount of information loss in the unit root testing equation, it also causes the resulting test to be more accessible and consistent. The method that we propose here contributes to the literature in three important ways. First, it reduces the information loss that arises due to the Taylor expansion. Second, the research to date has tended to misinterpret the Fourier function used with the Kapetanios, Shin and Snell (2003) (KSS) unit root test and considers it to capture multiple smooth transition structural breaks. The simulation studies that we carry out in this study clearly show that the Fourier function only restores the Taylor residuals of the ESTAR type function rather than accounting forthe smooth structural break. Third, the new nonlinear unit root test developed in this paper has very strong power in the highly persistent near unit root environment that the financial data exhibit. The application of the Kapetanios Shin Snell- Fractional Fourier (KSS-FF) test to ex-post real interest rates data of 11 OECD countries for country-specific sample periods shows that the new test catches nonlinear stationarity in many more countries than the KSS test itself.
Citation - Scopus: 1
How stock markets become desensitized to terror
(Emerald Group Publishing Ltd., 2017) Ilalan, D.; İlalan, Deniz; Bankacılık ve Finans
Purpose-A widely accepted belief indicates that terror activities have negative impact on stock markets. Contrary to numerous empirical studies, the purpose of this paper is to consider this issue from another point of view in the sense that markets can become desensitized to terror. Design/methodology/approach-Here, instead of directly analyzing the existing data, the stochastic nature of the events is taken into consideration. Findings-The author compares three countries and found out that the correlation between terror and stock markets is almost nil when terror events become a commonplace. Originality/value-This paper applies mean reverting stochastic processes to terror incidents and brings out interesting results. © Emerald Publishing Limited.
Citation - WoS: 11
Citation - Scopus: 13
Import-Content of Exports and J-Curve Effect
(Routledge Journals, Taylor & Francis Ltd, 2010) Yazıcı, Mehmet; Yazici, Mehmet; Klasra, Mushtaq Ahmad; Klasra, Mushtaq Ahmad; 144084; İktisat; Uluslararası Ticaret ve Finansman
This article investigates how the response to devaluation of trade balance is affected, compared to J-curve hypothesis, by the presence of imported inputs in the production of exports. Using first the Almon lag technique and then the cointegration and the generalized impulse response function analysis, the J-curve effect is examined in two sectors of Turkish economy (manufacturing and mining), which use imported inputs at different rates. Based on the data covering the period from the first quarter of 1986 to the third quarter of 1998, our results indicate that in neither sector J-curve exists and that the violation of the J-curve effect is more severe in the sector with higher import content.
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: 5
Citation - Scopus: 6
Knowledge-induced technological change: A study involving the automobile innovation in Malaysia with layers of techniques
(Emerald Group Publishing Ltd, 2006) Choudhury, Masudul; Klasra, Mushtaq Ahmad; Azid, Toseef; Klasra, Mushtaq; Uluslararası Ticaret ve Finansman
Purpose - To apply the Tawhidi epistemology in the automobile industry as the paradigm of the Islamic socio-scientific order in terms of its inherent knowledge-centered worldview. Design/methodology/approach - The concepts of unity and unification of knowledge in a system-wide sense are analytically developed in the framework of shuratic process or equivalently as the interactive, integrative and evolutionary process-oriented methodology (IIE). Findings - The analytical conceptualization is derived in the light of Qur'anic rules (ahkam) and recommended that policies, programs and instruments would jointly promote the development of mutual profitability and address the social milieu as well. Research limitations/implications - Tawhidi unification methodology of extensive participation and linkage can be applied widely. Originality/value - Certain policy recommendations in the light of the shari'ah precepts of this case study can be made.
Citation - WoS: 32
Citation - Scopus: 31
Lessons of military regimes and democracy: The Turkish case in a comparative perspective
(Sage Publications inc, 2005) Demirel, T; Demirel, Tanel; 4812; Siyaset Bilimi ve Uluslararası İlişkiler
How the nature of an outgoing authoritarian regime affects the advent of a new democracy continues to be a matter of controversy. One line of argument states that in countries which experience repressive and discredited authoritarian regimes, political actors have come to better appreciate the virtues of democracy.(1) It is presumed that gross human-rights violations, widespread state-sponsored terror, and consequent fear and insecurity under military rule might result in attitudinal changes that favor democracy. Those who criticize the democratic regime for a slow decision-making process, or for failing to improve socioeconomic inequalities, for instance, might better understand the difference between military rule and democracy in terms of the protection of basic human rights. Similarly, disappointments caused by the military regimes in the economic and/or military spheres could shatter myths about the effectiveness of military rule or authoritarian decision-making processes. It might become clear, for instance, that the army's combat effectiveness is severely damaged under military dictatorships, or that military officers at the top might be as divided, inefficient, or corrupt as civilian politicians. Such value change, it is further assumed, helps the new democratic regime to withstand considerable strains because the alternative-authoritarian regression-is perceived to be even worse.(2) While not contradicting the idea that a repressive and/or discredited authoritarian regime might lead to a positive view of democracy, other scholars do not consider this factor as very significant. Juan Linz and Alfred Stephan, for instance, argued that the positive attitude toward democracy "as the best alternative for now and for the future, does not require a negative attitude toward the past."(3) Neither in cases of established democracies nor in recent transitions to democracy, they claim, can one find any strong evidence that rejection of the authoritarian past had taken place. Positive assessment of the past regime is not an obstacle to securing the loyalty of citizens to the democratic regime; one can prefer the democratic regime while also believing that an authoritarian regime had its own achievements. In the same vein, emphasizing new incentive structures that came into existence during the transition process as the most important variable affecting behavior of the elites, authors such as Guiseppe Di Palma and Adam Przeworski also came to similar conclusions.(4) This article highlights the point that the nature of an outgoing authoritarian regime has a significant impact on a new democracy. It attempts to do so through discussion of the Turkish case. Turkey's long experience with constitutional and representative government stretches back to the nineteenth century. It has maintained a more-or-less democratic system of government since its first transition to democracy in 1946, despite three military interventions (in 1960, 1971, and 1980). The complex interactions of various factors have helped the Turkish military to protect itself from the damaging consequences associated with military rule. The military interludes in Turkey (1960-61, 1971-73, 1980-83) have hardly been seen by a significant number of civilians as highly repressive, nor have they been conceived as failures in political, economic, or military terms. In all formal transitions, the military has hardly been compelled to exit from power. The thesis advanced here is that this particular experience of a military regime, of authoritarian interludes, has to be taken into account to understand the trials and tribulations of Turkish democracy. The positive evaluation of military rule was one reason why the political actors have found it difficult to regard a democratic regime as "the only game in town."(5) In other words, the Turkish experience has given rise to a conviction that the costs of abandoning democracy are not so high; therefore, in some cases, the military regime might be acceptable. This presumption has, in turn, weakened the civilian resolve to seek remedies within the democratic system. The military regime seemed to offer quick, clear-cut, and less costly solutions. The problem-solving capacity consideration that they might avoid the worst of what the others experienced, the idea that "it will not happen here," appears to have worked as a hindrance for learning in many settings. Few opponents of Allende who looked forward favorably to a military coup were able to foresee that a repressive regime was on its way given Chile's rather noninterventionist military tradition.(71) Civilians invoking a dictatorship generally consider that they might manipulate it, or minimize the possible costs. For these reasons, it would be misleading to talk about political learning as a spontaneous and natural process, or to condemn actors for failing to learn due largely to selfish short-sightedness or individual traits. One should also stress that some perceptions of military rule are the result of careful construction. Those who value democracy should not fail to recall the painful memories of the past; on the other hand, it would be inappropriate to attribute undue weight to an artful deception. If the real experience of the people has not made them receptive to recalling such collective memories, the whole effort might be destined to remain futile. A brief examination of military regimes and their impact on a change of values shows how complex the issues are, and how difficult it is to make straightforward inferences. A recognition of this complexity, however, does not change the fact that political learning, either through interaction or comparison, is critical for sustaining democracy.
Citation - WoS: 2
Citation - Scopus: 3
Loan-to-Value Policy: Evidence From Turkish Dual Banking System
(Emerald Group Publishing Ltd, 2018) Pirgaip, Burak; Pirgaip, Burak; Hepsen, Ali; 252136; Bankacılık ve Finans
Purpose-This paper aims to answer how effective the loan-to-value (LTV) regulation has been since 2011 for conventional and Islamic (participation) banks in Turkey in terms of curbing mortgage loan growth and delinquency[1]. Design/methodology/approach-The authors first use unit root tests and tests of difference in loan and property price data in pre-LTV and post-LTV period. Second, the authors follow Chow test and ordinary least squares regression analyses to test for a structural break when sensitivity of mortgage loan and delinquency growth changes to property price changes considered. Findings-The authors find that two periods are statistically different, while the significance level is lower for Islamic banks. Moreover, loan growth has become less responsive to property price increases; delinquency sensitivity to property price changes has significantly increased in the post-LTV period for conventional banks, while this is not the case for Islamic (participation) banks. Originality/value-This paper not only increases empirical evidence regarding the effectiveness of LTV ratio policy but also fills the gap in the literature by providing a comparison between conventional banks and Islamic (participation) banks.
Citation - WoS: 11
Citation - Scopus: 10
Managing working capital efficiency in Turkish agribusinesses and the impact of globalization: insights from an emerging market
(Wageningen Academic Publishers, 2019) Akdogan, Ece C.; Akdoğan, Ece Ceylan; Dinc, Dilek Temiz; 52039; Bankacılık ve Finans
The efficiency of working capital is a major determinant of firm profitability. So, the grasp of working capital dynamics is extremely important for managers, but also for policy makers, since inefficient working capital management is an important source of industrial sickness. This study focuses on the profitability impacts of working capital policies of Turkish agribusinesses, and aims to investigate the potential effects of globalization on these interrelated relationships. The findings obtained from pooled panel analyses demonstrate that Turkish agribusinesses can enhance their profitability and value by adopting a conservative working capital policy through lengthening the cash conversion cycle up to an optimal level. Besides, globalization is found to deteriorate their efficiency and profitability where economic globalization seems to have the highest impact raising questions on the effectiveness of Turkish agribusinesses in coping with competition. Thus, both the managers and the policy makers should concern with the competitiveness impacts of globalization.
Citation - WoS: 59
Citation - Scopus: 62
Multiple linear regression model under nonnormality
(Taylor & Francis inc, 2004) Islam, MQ; Tiku, ML
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 esimators are considerably less efficient. We compare the efficiencies of the MMLEs and the M estimators for symmetric distributions and show that, for plausible alternatives to an assumed distribution, the former are more efficient. We provide real-life examples.

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