1,720,995 research outputs found
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe 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
Full text link“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
Full text linkWe 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
Three Papers in Game Theory and Organizational Economics
Full text linkThis thesis includes three chapters. The common theme among the chapters is the application of game theory to gain insights in organizational economics.
In Chapter 1, titled "Customizability in Negotiations", I propose a model where the buyer and seller can trade a customizable product where some attributes are optional and can be removed. The buyer privately knows his type. The buyer and seller play a one shot bargaining game where the player chosen can make a menu of offers. I show that as customizability increases it becomes easier for the seller to screen the buyer which increases the probability of agreement. Lastly I show that customizability will always benefit the seller, however it can make the buyer worse off.
In Chapter 2, titled "Cheap Talk in Win-Win Negotiations", I propose a model where the buyer and seller can trade a customizable product just like in Chapter 1. In this Chapter though, I make several key changes. All attributes can now be kept or removed. The buyer can report his privately known type to the seller at the beginning of the game and it is the seller's responsibility to design the product. I show that in a one-shot offer game the buyer will always disclose truthfully. I then extend these results to the alternating offer framework. This suggests a mechanism for why credible talk can exist in a bargaining game.
In Chapter 3, titled "Disclosure in Agency Problems", I propose a two sided moral hazard model where on the agent's side is a traditional unobservable effort problem while on the principal's side is a disclosure problem. The principal might have private information about the potential output that he can disclose to an agent. His disclosure decision is not contractible but if he discloses, the information is verifiable. I show that in such an environment, the principal will not disclose private information that reflects the potential of a low outcome. I then show that if the disclosure decision is contractible, the principal will write a contract that allows him to commit to full-disclosure.Ph.D
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
Optimal Attention
Full text linkIn many environments it is costly for decision makers to determine which option is best for them because learning about different options takes time, and time is valuable to decision makers. To accurately predict changes in behavior and estimate preferences in such settings it is crucial to understand what information agents choose to acquire. In the following three chapters I study costly information acquisition both theoretically and experimentally. In the first chapter I characterize the choice patterns that are consistent with two major models of costly learning when price changes and then test these theoretical results in a lab setting.
The experiment shows that the heterogeneity of subjects is key for understanding aggregate behavior and that subjects are sophisticated when choosing both if and what to learn. In the second chapter I use an axiomatic foundation to create a new measure for the cost of information that allows for multiple perceptual distances in a single choice environment so that some events can be harder to differentiate between than others. In the third chapter
I show that the new measure of uncertainty produced in the second chapter maintains the tractability of Shannon's classic measure but produces richer choice predictions, identifying a new form of informational bias significant for both welfare and counterfactual analysis.
The third chapter also establishes a new foundation for `non-compensatory' behavior anddemonstrates novel predictions for the formation of consideration sets.Ph.D
Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
- …
