1,721,079 research outputs found
sj-pdf-1-cps-10.1177_00104140211066216 – Supplemental Material for How Voters Respond to Presidential Assaults on Checks and Balances: Evidence from a Survey Experiment in Turkey
No full textSupplemental Material, sj-pdf-1-cps-10.1177_00104140211066216 for How Voters Respond to Presidential Assaults on Checks and Balances: Evidence from a Survey Experiment in Turkey by Aytuğ Şaşmaz, Alper H. Yagci and Daniel Ziblatt in Comparative Political Studies</p
Replication Data for: How Voters Respond to Presidential Assaults on Checks and Balances: Evidence from a Survey Experiment in Turkey
No full textWhy do voters support executive aggrandizement? One possible answer is that they do so because they think this will ease their preferred leader’s hand in putting their partisan vision into action, provided that the leader will continue winning elections. We study this phenomenon through a survey experiment in Turkey, by manipulating voters’ perceptions about the potential results of the first presidential election after a constitutional referendum of executive aggrandizement. We find that voters from both sides display what we call “elastic support” for executive aggrandizement; i.e. they change previously revealed constitutional preferences in response to varying winning chances. This elasticity increases not only when citizens feel greater social distance to perceived political “others” (i.e. affective polarization), but also when voters are concerned about economic management in a potential post-incumbent era. Our findings contribute to the literature on how polarization and economic anxiety contribute to executive aggrandizement and democratic backsliding
Highly Regioselective Palladium -Catalyzed Thiocarbonylation of Allenes With Thiols and Carbon Monoxide
No full textA series of mono- and di-substituted allenes underwent direct thiocarbonylation with thiols and carbon monoxide to form the corresponding β,γ-unsatd. thioesters in 73-94% yields. This reaction requires catalytic quantities of Pd(OAc)2 (3 mol %) and triphenylphosphine (12 mol %) in THF under an atm. of CO (400 psi) at 100 °C for 48 h. Other palladium catalyst systems such as Pd2(dba)3·CHCl3-PPh3, Pd(PPh3)4, and Pd(OAc)2-dppp are also effective for this reaction. The thiocarbonylation reaction is believed to proceed via an allylpalladium intermediate. The reaction exhibits high regioselectivity, in which the thiophenyl group adds to the less substituted double bond of allenes to give β,γ-unsatd. thioesters
Palladium-catalyzed alternating copolymerization of carbon monoxide with olefins bearing carbamate and amide functionalities
No full textA Novel Rh(I)-PCy3-CO-HCOOH Catalytic System fot the Regioselective Conversion of Alkenes to Aldehydes
No full textRhodium carbonyl and tricyclohexylphosphine, in the presence of CO and HCOOH, is an efficient catalytic system for the regioselective conversion of alkenes into branched and linear aldehydes. This process shows excellent functional group tolerance
Use of formic or oxalic acid for the regioselective hydrocarboxylation of alkenes and alkynes catalyzed by palladium/carbon and 1,4-bis(diphenylphosphino)butane
No full textAlkenes and alkynes react with carbon monoxide and either formic acid or oxalic acid catalyzed by Pd/C and 1,4-bis(diphenylphosphino)butane, affording straight chain carboxylic acids in good regioselectivity
Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Get PDF“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Get PDFWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
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