Browsing by Subject "Center"
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Item Open Access Essays in social choice theory(Bilkent University, 2009) Erol, SelmanIn this thesis, we investigate several issues concerning the class of Maskin monotonic social choice rules. Firstly, given a set of profiles, we find out which Maskin monotonic social choice rules adopt this set as a center. Then we introduce an algorithmic approach to find the self-monotonicities of a Maskin monotonic social choice rule. Moreover, we characterize all binary set operations that preserve Maskin monotonicity. Then we pass to investigating social choice functions, and determine the the domains of impossibility and possibility around a center with respect to a modified Manhattan metric. Finally, we try to reach a necessary and sufficient condition for Nash-implementability of a social choice in terms of neutralityItem Open Access Explorations on monotonicity in social choice theory(Bilkent University, 2007) Doğan, BattalDue to Maskin (1977), Maskin-monotonicity is known to be a necessary condition for Nash-implementability. Once one classifies social choice rules as the ones which are Maskin-monotonic and those which are not, a natural question one may ask is whether it is possible to further classify the Maskinmonotonic social choice rules according to how strongly monotonic they are. This study utilizes two key notions , namely self-monotonicity and center, which enable us to compare Maskin-monotonic social choice rules among themselves according to the strength of their monotonicities. Moreover, Nashimplementable two-person social choice rules are now characterized via the notion of center, in line with the conjecture that Implementation Theory can be rewritten in terms of monotonicityItem Open Access How not to globalise IR: ‘Centre’ and ‘periphery’ as constitutive of ‘the international’(DergiPark, 2021-06-26) Bilgin, PınarScholars who adopted de-centring as a strategy for globalising IR have embraced the notions of ‘centre’ and ‘periphery’ to highlight structural inequalities between North America and Western Europe and the rest of the world in the production of knowledge about world politics. In doing so, however, de-centring IR scholarship has portrayed the ‘periphery’ as if it is a new entrant to the ‘international’. Yet, such a presumption is not in the spirit of globalising IR, which views the periphery as the ‘constitutive outside’. By re-visiting the 1970s’ centre-periphery approaches, the paper highlights the limitations of the de-centring approaches insofar as they have not always been attentive to the critical concerns of earlier theorisations about ‘centre’ and ‘periphery’, and underscores the need for studying the periphery as ‘constitutive outside’. The periphery is ‘outside’ by virtue of having been left out of those mainstream narratives that the centre tells about the international; it is also ‘constitutive’ because those ideas, practices, and institutions that are typically ascribed to the ‘centre’ have been co-constituted by centre and periphery in toto.Item Open Access Rethinking the Turkish center-right in 1990s: erosion or replacement? The case of the Nationalist Action Party(Bilkent University, 2001) Gözüküçük, YusufLooking at the results of the elections in Turkey in the 1990s, it can be seen that there has been a continuing decrease in the votes of the traditional Turkish centerright parties such as the Motherland Party (MP) and the True Path Party (TPP) while a converse situation has been observed in the case of extreme right parties such as the Nationalist Action Party (NAP) and the Welfare Party (WP). Another striking point about the voter alignments in Turkey during the last decade has been that no party has been the first party in successive elections. These developments led to the questions about whether the Turkish center is eroding, or the extreme right parties are coming to the center. The aim of this thesis is to attempt to clarify the case of Turkish center-right in the last decade in the sense whether there has been a shift in the center-right votes with the erosion of the center or replacement of the center right is taking place, with special emphasis on the case of the Nationalist Action Party. This thesis argues that there has been erosion in the Turkish center-right in the last decade and the NAP obtained some votes from the traditional center-right voters, while maintaining its own voter basis. This study offers explanations for the erosion of the traditional Turkish center-right together with the rise of the NAP in recent years both as a political party and as a political movement