Submitted by Fernando Ferreira da Luz Barbosa (fernando.luz@outlook.com) on 2015-07-20T19:07:10Z No. of bitstreams: 1 Fernando Ferreira da Luz Barbosa.pdf: 927554 bytes, checksum: e29a7f5ad6e3cdd15bb6adafc98a4cb6 (MD5) / Approved for entry into archive by BRUNA BARROS (bruna.barros@fgv.br) on 2015-07-21T12:46:06Z (GMT) No. of bitstreams: 1 Fernando Ferreira da Luz Barbosa.pdf: 927554 bytes, checksum: e29a7f5ad6e3cdd15bb6adafc98a4cb6 (MD5) / Approved for entry into archive by Maria Almeida (maria.socorro@fgv.br) on 2015-07-30T19:08:34Z (GMT) No. of bitstreams: 1 Fernando Ferreira da Luz Barbosa.pdf: 927554 bytes, checksum: e29a7f5ad6e3cdd15bb6adafc98a4cb6 (MD5) / Made available in DSpace on 2015-07-30T19:08:57Z (GMT). No. of bitstreams: 1 Fernando Ferreira da Luz Barbosa.pdf: 927554 bytes, checksum: e29a7f5ad6e3cdd15bb6adafc98a4cb6 (MD5) Previous issue date: 2015-04-27 / Disagreement between economists is a well know fact. However, it took a long time for this concept to be incorporated in economic models. In this survey, we review the consequences and insights provided by recent models. Since disagreement between market agents can be generated through different hypotheses, the main differences between them are highlighted. Finally, this work concludes with a short review of nowcasting using google trends, emphasizing advances connecting both literatures.

Le présent travail entend développer une théorie permettant de décrire, d’expliquer et de réguler les désaccords moraux. Il privilégie une approche empirique du désaccord moral, mobilisant en priorité les données fournies par la psychologie sociale et la psychologie morale.La morphologie du désaccord moral (partie 1) indique que ce dernier puise sa source dans un imaginaire polémique, structuré par trois éléments : l’analogie, la métaphore, et le symbole. L’hybridation de ces éléments génère des réseaux symboliques, organisant la relation entre les protagonistes du désaccord.La généalogie du désaccord moral (partie 2) vise à déterminer empiriquement les origines de ces réseaux symboliques. Nous examinerons les processus psychologiques, anthropologiques, et socio-historiques sous-jacents au désaccord. Le rôle central de la famille –en tant que matrice, modèle, et objet du désaccord– sera ici souligné.La polémologie du désaccord moral (partie 3) s’emploie à réorganiser les réseaux symboliques dans une approche pragmatique et normative. Nous détaillerons les procédures visant à réguler les désaccords moraux et à transformer l’imaginaire polémique en imaginaire consensuel.S’ouvre alors la perspective d’une valorisation du désaccord, préalable indispensable à la réhumanisation de l’espace moral.Mots-clés : désaccord moral, philosophie morale, psychologie sociale, psychologie morale, imaginaire, analogie, métaphore, symbole, famille. / The aim of this study is to develop a theory in order to describe, explain, and regulate moral disagreements. Ours is an empirical approach to moral disagreement, based mainly on empirical data provided by social and moral psychology.The morphology of moral disagreement (part 1) reveals that it is drawn from polemical imagination, which consists of three key elements: analogy, metaphor, and symbol. Such hybridization gives birth to symbolic networks, organizing the relationship between the moral opponents.The genealogy of moral disagreement (part 2) aims to determine the sources of these symbolic networks. We will analyse the psychological, anthropological, and socio-historical processes underlying the moral disagreements. The key role of family – as matrix, model and object of disagreement – will be emphasized.The polemology of moral disagreement (part 3) attempts to reorganize the symbolic networks through a pragmatic and normative approach. We will analyse the procedures in view of a regulation including the transformation of polemical imagination into consensual imagination.Thus, moral disagreement must be reasserted, before any attempt to rehumanising the moral field.Key-words: moral disagreement, moral philosophy, social psychology, moral psychology, imagination, analogy, metaphor, symbol, family

This paper focuses on facework used by the invited guests in a broadcasted debate. The purpose of this analysis is to investigate how the invited guests use facework and how the guest relate to their functional role within the debate. The aim is also to investigate how the phases of the debate regulate the facework used by the guests. The analysis is based on transcrition and videomaterial from one of Sweden’s most viewed debates, Opinion Live. Conversation analysis (CA) is part of the theoretical framework used to analyse support, interruption and conversation turns. To analyze facework this paper relies on Goffman’s theory of face and Muntigl & Turnbull’s four types of disagreement acts in facework and arguing. Brown & Levinson’s politeness theory has also been used to investigate facework and strategies. In addition, Svensson’s definition of the debate’s specific roles within the format has also been used. The results show that facework has two purposes. The first is that it is used to defend the guest’s own face. The other purpose is to attack other guest’s faces which implies that their functional roles in the debate are being challenged. The results also points towards that the structure of the conversation in the debate itself influence the types of facework used by the guests.

This diploma work presented, analyzes current sort of quality management of work progress in BONAR company and gives reccomendation on how to improve on it. The proposed section, using methods and tools address the identified non-compliance and makes recommendations for future development in the manufacturing process as the company Bonar.

The thesis deals with quality theory, quality management system based on the ISO ČSN EN 9001 norm and disagreement management in a construction production company. In addition, the work describes ways of reaching quality and principles of managing quality of a given product. Procedures, methods and appropriate measures emerging from the theory of managing product quality are followingly implemented into a proposal for leading a real construction production company.

Background: Parents have both a right and an obligation to decide in matters concerning children. At the same time, children have been given a stronger position in healthcare (settings). Research shows low agreement regarding children's and parents' attitudes to children's symptoms and treatment goals. The disagreement has importance for treatment outcomes and prognosis, as well as requiring adaption and strategies from the nurse. Purpose: The aim of the study was to describe nurses experience of nursing in the event of disagreement between children and parents in child and adolescent outpatient mental health care. Method: A qualitative method with an inductive approach was used. Eleven semi-structured interviews were conducted and data was analyzed based on qualitative content analysis. Results: The results are summarized in three categories: Balancing between children and parents 'perspectives, willingness to consider the child's perspective and willingness to consider parents' perspectives. Conclusion: Nurses described that it was a challenge to act so that both children and parents' needs were satisfied. They wanted to take the child's perspective and at the same time wanted to maintain a good relationship with the parents. Depending on the situation, the nurse alternated between acting as a representative for either the parents or children. Lack of strategies to handle disagreement led to feelings of frustration and incompetence. / Bakgrund: Föräldrar har både en rättighet och skyldighet att bestämma i frågor somrör barn. Samtidigt har barn och ungdomar fått en starkare ställning i vården.Forskning visar låg överensstämmelse avseende barns och föräldrars inställning tillbarnens symtom och behandlingsmål. Oenigheten har i sig betydelse förbehandlingsutfall och prognos och kräver anpassning och strategier frånsjuksköterskan. Syfte: Syftet var att belysa sjuksköterskors erfarenheter avomvårdnad vid oenighet mellan barn och vårdnadshavare inom barn- ochungdomspsykiatrisk öppenvård. Metod: Studien genomfördes med kvalitativ metodoch en induktiv ansats. Elva semistrukturerade intervjuer genomfördes och dataanalyserades utifrån kvalitativ innehållsanalys. Resultat: Resultatet sammanfattas itre kategorier: Balansera mellan barn och föräldrars perspektiv, en vilja att beaktabarnets perspektiv samt en vilja att beakta föräldrars perspektiv. Slutsats:Sjuksköterskor beskrev att det var en utmaning att agera så att både barn ochföräldrars behov tillgodosågs då de å ena sidan var måna om att ta barnets perspektivoch samtidigt ville behålla en god relation till föräldrarna. Beroende på situationpendlade sjuksköterskan mellan att agera ombud för antingen föräldrar ochbarn. Avsaknad av strategier att bemöta oenighet gav upphov till känslor avfrustration och maktlöshet.

This paper concerns the issue of ignorance about values, and how to best deal with it.I try to find out what we ought to do when we are ignorant of what it is valuable topromote. The proposed solution is an indirect system of “provisional values”, builtaround three goals that are likely to increase our chances of achieving real value,should such a thing be possible.These three provisional goals the system gives us are as follows: knowledge,optionality, and diversity.Knowledge is the traditional way of trying to relieve our ignorance and has beenthe focus of most philosophizing about value.Optionality means having options, or the power to act differently. This is likelyto become important should we ever discover what it is actually valuable to do.Finally, diversity is simply the idea that, not knowing what truly is valuable, weshould do as much as possible of everything in the hope that some of it may bevaluable. / Denna uppsats handlar om problemet med vår brist på kunskap om värde och hur manbäst hanterar det. Jag försöker ta reda på vad vi borde göra i situationer där vi ärokunniga om vilka mål som är värdefulla att uppnå. Den lösning som föreslås är ettindirekt system av ”provisoriskt värde”. Detta system är uppbyggt kring tre mål somsannolikt kommer att öka våra chanser att uppnå direkta eller verkliga värden, om ensådan sak skulle vara möjlig. Dessa tre provisoriska mål som systemet ger oss ärföljande: kunskap, optionalitet och mångfald.Kunskap är det traditionella sättet att försöka lindra vår okunnighet, och harvarit fokus för det mesta filosoferandet om värde.Optionalitet innebär att ha alternativ eller makten att agera annorlunda. Dettakommer sannolikt att bli viktigt om vi någonsin upptäcker vad det är värdefullt attgöra.Slutligen är mångfald helt enkelt tanken att om vi inte vet vad som verkligen ärvärdefullt så bör vi göra så mycket som möjligt av allt i hopp om att något av det kanvisa sig värdefullt.

<p>  </p> <p>In the first chapter, we developed a dynamic equilibrium model of multiple stocks with extrapolators under the framework of Barberis, Greenwood, Jin, and Shleifer (2015a). Our model builds on the fact that extrapolative investors assign different relative weights of recent versus distant past return when forming their beliefs. We find that stock price increases in its own past performance measure, and is additionally associated with the past performance measure of the other stock if their dividends are correlated. The stock with higher relative weight have higher stock price, higher stock volatility, and lower risk premium. Both the own stock’s and the other stock’s past performance measure negatively predicts future stock price changes. </p> <p><br></p> <p>The second chapter includes Adem Atmaz, Stefano Cassella, and Huseyin Gulen as co-authors. In this chapter, we document considerable cross-sectional variation in survey expectations about aggregate stock market returns. While most investors are extrapolators who expect higher returns after a good market performance, some are contrarians who expect lower returns after a good performance. More notably, compared to extrapolators, contrarians have less persistent expectations that are corrected more quickly. Accordingly, we develop a dynamic equilibrium model accounting for these differences in expectations and find that the equilibrium stock price exhibits short-term momentum and long-term reversal as in the data. Furthermore, we test the key predictions of the model linking the shortterm momentum to observable differences between extrapolators and contrarians and find supportive evidence for our mechanism. </p> <p><br></p> <p>The third chapter includes Adem Atmaz and Suleyman Basak as co-authors. In this chapter, we develop a dynamic model of costly stock short-selling and lending market and obtain implications simultaneously supporting many empirical regularities. In our model, investors’ belief disagreement leads to lenders and short-sellers, who pay shorting fees to borrow stocks from lenders. Our main novel results are as follows. Short interest predicts future stock returns negatively and has a stronger predictive power than the corresponding dividend-price ratio. Higher short-selling risk can be associated with lower stock returns and less short-selling activity. Stock volatility is increased under costly short-selling. An application to the GameStop episode yields implications consistent with observed patterns. </p>

After numerous renewals and reignitions since the initiation of the "War on Cancer" more than five decades ago, the recent reignition of "Moonshot to Cure Cancer" points to the systemic persistence of cancer as a major cause of loss of life and livelihood. Literature points to the diminishing returns of cancer research through time, as well as heterogeneities in cancer research centers' innovation strategies. This dissertation focuses on the strategic decision by cancer research centers to invest their resources in conducting early phases of clinical trials on new candidate drugs/treatments (resembling exploration) or late phases of clinical trials that push established candidates towards acquiring FDA approvals (resembling exploitation). The extensive clinical trials data suggests that cancer research centers are not only different in their emphasis on exploratory trials, but also in how their emphasis is changing over time. This research studies the dynamics of this heterogeneity in cancer research centers' innovation strategies, how experiential learning and capability development interact to cause dynamics of divergence among learning agents, and how the heterogeneity among cancer research centers' innovation strategies is affected by the dynamics of learning from experience and capability development. The findings of this dissertation shows that endogenous heterogeneities can arise from the process of learning from experience and accumulation of capabilities. It is also shown that depending on the sensitivity of the outcome of decisions to the accumulated capabilities, such endogenous heterogeneities can be value-creating and thus, justified. Empirical analysis of cancer clinical trials data shows that cancer research centers learn from success and failure of their previous trials to adopt more/less explorative tendencies. It also demonstrates that cancer research centers with a history of preferring exploratory or FDA trials have the tendency to increase their preference and become more specialized in one specific type (endogenous specialization). These behavioral aspects of the cancer research centers' innovation strategies provide some of the tools necessary to model the behavior of the cancer research efforts from a holistic viewpoint. / Doctor of Philosophy / The "Moonshot to Cure Cancer" was renewed most recently in September 2022. However, renewal and reignition of this national collective effort is nothing new; this effort started as "War on Cancer" in 1971 and has been reignited numerous times. After more than 50 years of our collective battle to cure cancer, it claims almost 600,000 lives annually and remains as the second leading cause of death in the US. There are a wide variety of cancer research centers from all around the world contributing to this collective effort and they make considerably different decisions regarding their investment in research. There is evidence suggesting that some of the research centers' investment decisions are not optimal and can be improved. It has been shown that systems such as patent regulations can be revised to encourage such improved decisions among cancer research centers. This dissertation focuses on the process of clinical trials for new drugs/treatments for cancer. New drugs/treatments have to pass different phases of trials to ensure that they are safe and effective before they can acquire FDA approvals. Cancer research centers decide whether to invest in early phases of clinical trials for new drug/treatment candidates or invest in late phases of trials for candidates that have already passed the early phases. The clinical trials data show that there has been a sharp rise in number of early phases of trials on new drugs/treatments; however, the same rise cannot be seen in the late phases of trials resulting in approvals. It can also be seen that different research centers put different levels of emphasis on initiating early phases of trials for new drugs/treatments (exploration). In this dissertation, the hypothesis is that this ongoing dilemma that cancer research centers face to invest on how much emphasis to put on exploration in their clinical trials is affected by learning from experience. To test this hypothesis, a mathematical model is used to show differences in decisions can be causes solely by learning from experience, when the decision maker is learning "what to do" from success/failure of previous efforts and learning "how to do it" from practicing and accumulating the required skills. Then, the hypothesis is formally tested using the clinical trials data. The results show that cancer research centers learn from the success and failure of their previous exploratory trials when deciding on their emphasis on exploration. Also, they accumulate skills, resources, and capabilities relevant to the type of research the conduct more often and specialize in either of late- or early-phases of trials. The findings of this dissertation show that learning from experience can cause in differences in decisions. It also finds evidence that cancer research centers learn to place different levels of emphasis on exploration in their clinical trials. These findings can later be used in models of the cancer research ecosystem to study how funding structures and policies can be changed to improve the outcomes of our collective effort to cure cancer.

<p>While instance-dependent contextual bandits have been previously studied, their analysis<br> has been exclusively limited to pure disagreement-based learning. This approach lacks a<br> nuanced understanding of disagreement and treats it in a binary and absolute manner.<br> In our work, we aim to broaden the analysis of instance-dependent contextual bandits by<br> studying them under the framework of disagreement-based learning in sub-regions. This<br> framework allows for a more comprehensive examination of disagreement by considering its<br> varying degrees across different sub-regions.<br> To lay the foundation for our analysis, we introduce key ideas and measures widely<br> studied in the contextual bandit and disagreement-based active learning literature. We<br> then propose a novel, instance-dependent contextual bandit algorithm for the realizable<br> case in a transductive setting. Leveraging the ability to observe contexts in advance, our<br> algorithm employs a sophisticated Linear Programming subroutine to identify and exploit<br> sub-regions effectively. Next, we provide a series of results tying previously introduced<br> complexity measures and offer some insightful discussion on them. Finally, we enhance the<br> existing regret bounds for contextual bandits by integrating the sub-region disagreement<br> coefficient, thereby showcasing significant improvement in performance against the pure<br> disagreement-based approach.<br> In the concluding section of this thesis, we do a brief recap of the work done and suggest<br> potential future directions for further improving contextual bandit algorithms within the<br> framework of disagreement-based learning in sub-regions. These directions offer opportuni-<br> ties for further research and development, aiming to refine and enhance the effectiveness of<br> contextual bandit algorithms in practical applications.<br> <br> </p>