Unrestricted Domain Extensions of Dominant Strategy Implementable Allocation Functions

Author(s):  
Paul H. Edelman ◽  
John A. Weymark
AKADEMIKA ◽  
2015 ◽  
Vol 9 (2) ◽  
pp. 217-229
Author(s):  
Elya Umi Hanik

This article discusses about the Contextual Teaching and Learning (CTL) as an innovation of learning science in elementary schools. In fact, the practical implementation of learning is still focused on the teacher as the main actor in which instruction is the dominant strategy in the learning process. Basically CTL is a concept of learning that helps educators link between what is taught with real-world situations of students and encourages them to make connections between the knowledge possessed and implemented in their lives. The concept of CTL applied in science teaching course could have implications, especially in learning to understand the natural phenomena that are not only conceptual. In consequence, students can receive full knowledge built through real experiences.


Author(s):  
Desi Dwi Natalia ◽  
Fajar Subekti ◽  
Ni Ketut Mirahayuni

This article reports on two separate studies—Natalia (2019) and Subekti (2019)—on  communication mechanism in political debates. Specifically these studies focus on turn taking strategies adopted in political debates by political figures during their campaign for presidency or in dealing with specific issues. Both studies adopted Stenstrom’s (1994) classification of turn taking strategies which include three main strategies: taking the turn, holding the turn, and yielding the turn, each of which was further specified into more specific strategies. The data were two Youtube videos: first, Trump and Clinton First Presidential Debate 2016 (36 minutes 22 seconds [Natalia, 2019]) and second, BBC World Debate “Why Poverty”November 30,2012 (47 minutes 16 seconds, [Subekti, 2019]). Employing descriptive qualitative, with the aim of analyzing turn taking strategies adopted in the debates, both studies found interesting points: first, Stenstrom’s three strategies appeared in the debates; second, taking the turn strategy was the dominant strategy, followed by holding the turn strategy and the least used one was yielding to turn; and third, interruption which was a specific type of taking the turn strategy seems to be most often used in the debater’s attempt to maintain the turn and present their points and thus dominate the debate.


2016 ◽  
Vol 54 (2) ◽  
pp. 589-591

Dimitrios Diamantaras of Temple University reviews “An Introduction to the Theory of Mechanism Design,” by Tilman Börgers. The Econlit abstract of this book begins: “Presents explanations of classic results in the theory of mechanism design and examines the frontiers of research in mechanism design in a text written for advanced undergraduate and graduate students of economics who have a good understanding of game theory. Discusses screening; examples of Bayesian mechanism design; examples of dominant strategy mechanisms; incentive compatibility; Bayesian mechanism design; dominant strategy mechanisms; nontransferable utility; informational interdependence; robust mechanism design; and dynamic mechanism design. Börgers is Samuel Zell Professor of the Economics of Risk at the University of Michigan.”


Author(s):  
Peter J. Hammond

AbstractRoberts’ “weak neutrality” or “weak welfarism” theorem concerns Sen social welfare functionals which are defined on an unrestricted domain of utility function profiles and satisfy independence of irrelevant alternatives, the Pareto condition, and a form of weak continuity. Roberts (Rev Econ Stud 47(2):421–439, 1980) claimed that the induced welfare ordering on social states has a one-way representation by a continuous, monotonic real-valued welfare function defined on the Euclidean space of interpersonal utility vectors—that is, an increase in this welfare function is sufficient, but may not be necessary, for social strict preference. A counter-example shows that weak continuity is insufficient; a minor strengthening to pairwise continuity is proposed instead and its sufficiency demonstrated.


2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Guillem Roig

Abstract When consumers have preference costs, two opposing effects need to be assessed to analyse the incentives of firms to set collusive prices. On the one hand, preference costs make a deviation from collusion less attractive, as the deviating firm must offer a large enough discount to cover the preference costs. On the other hand, preference costs lock in consumers and make punishment from rivals less effective. When preference costs are low, the latter of the two effects dominates and collusion is more challenging to sustain than in a situation with no preference costs. With high enough preference costs, collusion is a (weakly) dominant strategy. These results do not eventuate in a model with switching costs.


2011 ◽  
Vol 2 (1) ◽  
pp. 58-79 ◽  
Author(s):  
Jin Liu

This paper examines the emergence of the representation of dialect with Chinese characters (fangyan wenzihua) on the Internet. The online dialect writing is primarily identified as a subject of Internet language and youth language study. The CMC discourse as a hybrid register mixing spoken and written language features facilitates the written use of oral dialect on the Internet. Deviating from the standard Chinese writing system, the Internet-savvy youth transcribe their native dialects on an ad hoc basis, which celebrates multiplicity, creativity, individuality and resists uniformity, standardization, and institutionalization. Taking the SHN website (www.shanghaining.com) as a case study, the paper discusses how the written Shanghai Wu words are explored to mark a distinct visual style and to articulate a distinct local youth identity. Furthermore, this paper examines the dominant strategy of phonetic borrowing in dialect transcription on the Internet. It is argued that diachronically, the youth’s phonocentric obsession tapped into the May Fourth tradition of the baihua vernacular movement that was heavily influenced by the European logocentrism; and synchronically, the celebration of dialect sound on the Internet echoes the contemporary soundscape of local dialects formed in the mass media in recent years.


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