With the increasing popularity of online shopping, various new business models are emerging in this area. A successful example is great discount online shops, which quickly attract the attention from Chinese online shopping customers. In order to avoid the risk perception of customers caused by information asymmetry, and maintain competitiveness, great discount online shops should increase their customers’ trust. In this research, a number of key factors are tested from both sellers’ aspect and customers’ aspect. The finding shows both objective influencing factors, such as security, reputation of the online shop, reputation of the products’ brands, sellers’ service quality, and customers’ cognitive factors, such as perceived usefulness and perceived ease of use, have significant correlation with customers’ trust to great discount online shop. Among them, the objective influencing factors are more influential and have stronger effect on customers’ trust in ability, integrity and benevolence to the online shops. These findings will further shed light on how to build trust with the customers of great discount online shops.

In Sweden today almost all people are connected to a bank in some way. It can range from loans, savings, shares, etc. They have a current account where salaries, student aid etc. is paid. Due to the large selection of banks, it has become more important for banks to be competitive in their services to their customers so they don’t change bank. This has led to that more and more banks are trying to get their customers to be more loyal to the bank by being more competitive. Loyalty is the result of several interrelated factors such as customer satisfaction and service. This leads to the purpose of this study to investigate if the demographic aspects have any influence on loyalty. Through a questionnaire survey, this study examined whether there is an influence of the demographic aspects on loyalty. The questionnaire consisted of questions based on previous research. It was distributed to people in Kristianstad on three different locations. Overall response rate to the questionnaires distributed gave us a participation of 110 respondents. The results were then statistically processed in order to test if there is a significant difference in loyalty within the various demographic aspects. According to this study, we could not find any differences in the demographic aspects. However, we were able to find small differences in the mean values ​​between the different groups in the demographic aspects / I dagens Sverige är i stort sett alla personer på något sätt kopplade till en bank. Det kan vara alltifrån lån, sparande, aktier m.m. Nästan alla personer i dagens Sverige har ett transaktionskonto dit lön, studiemedel m.m. utbetalas. På grund utav det stora utbudet av banker har det blivit viktigare för bankerna att vara konkurrenskraftiga i sina tjänster till sina kunder så att de inte byter bank. Detta har medfört att fler och fler banker satsar mycket resurser på att få sina kunder att bli lojala mot banken. Lojalitet är resultatet utav flera sammanhängande faktorer som exempelvis kundnöjdhet och service. Detta leder till uppsatsens syfte att undersöka ifall de demografiska aspekterna har påverkan på lojalitet. Genom en enkätundersökning har denna studie undersökt ifall det finns en påverkan av de demografiska aspekterna på lojalitet. Enkäten bestod av frågor som grundar sig på tidigare forskning. Den delades ut till personer i Kristianstad vid tre olika tillfällen. Totala svarsfrekvensen på de utdelade enkäterna gav oss ett deltagande på 110 respondenter. Resultaten har sedan bearbetats statistiskt för att testa ifall det råder signifikanta skillnader på lojalitet inom de olika demografiska aspekterna. Enligt denna studie kunde vi inte påvisa några skillnader inom dem demografiska aspekterna. Däremot kunde vi urskilja små skillnader i medelvärdena mellan de olika grupperna i de demografiska aspekterna.

Research gap: Reputation is seen as an important asset for companies and can create competitive advantages. Within business-to-business the reputation of the company is argued to affect the relationship between buyers and suppliers and although the area is stressed to be important, it is still under-researched. Previous literature is not aligning when it comes to the importance of reputation and the duration of the relationship and it also states trust to have impact on important parts of the relationship, such as affective commitment and the willingness to invest. Purpose: The purpose of the thesis was to measure to what extent the duration of a buyer-supplier relationship affects trust, and to what extent trust affects the affective commitment and willingness to invest, when the reputation of the supplier was negative as the outcome of adverse publicity. Hypothesis: H1a; H1b: The duration of buyer-supplier relationship has a positive impact on Trust (integrity or benevolence) if the reputation of the supplier is negative H2a; H2b: Trust (integrity or benevolence) has a positive impact on affective Commitment, if the reputation of the supplier is negative H3a; H3b: Trust (integrity or benevolence) has a positive impact on willingness to invest if the reputation of the supplier is negative Method: The study had a quantitative approach and collected the data by a questionnaire sent to manufacturing business-to-business companies by email. 462 companies were contacted which resulted in 72 usable answers. Conclusion:The buyer-supplier relationship was not to a significantly extent affected by negative reputation and the duration of the relationship was not differing to a substantially extent. The different trust increased the buyers’ affective commitment and willingness to invest which demonstrates the importance of trust in the relationship due to negative reputation.

La presente tesis estudia el régimen jurídico-tributario del fideicomiso en los países de la Comunidad Andina. La institución del fideicomiso fue introducido en los países andinos bajo influencia del trust angloamericano y constituye actualmente un mecanismo práctico para la gestión patrimonial familiar, empresarial y financiera de bienes ajenos. Debido al carácter flexible y versátil que posee la figura, las aplicaciones prácticas que los particulares hacen de este contrato son múltiples y, como tales, tienen sus implicaciones tributarias. Desde este punto vista, el trabajo aborda un examen detallado de los elementos civiles, mercantiles y administrativos que se entremezclan en su estructura, y a partir de ahí, la tributación de las rentas del fideicomiso y de los actos derivados del fideicomiso, haciendo hincapié en las implicaciones tributarias que presenta la figura. La tesis realiza una propuesta de solución respecto la imposición directa e indirecta del fideicomiso, ya que la normativa vigente resulta insuficiente. Mientras en algunos países miembros de esta organización regional se va aclarando limitadamente su tratamiento tributario, en otros es nulo el esclarecimiento sobre este aspecto. / This thesis examines the tax and legal aspects of the trust in the countries of the Andean Community. The trust institution was introduced in the Andean countries under the influence of anglo-american trust and nowadays is a practical mechanism for family wealth management, financial and business property of others owners. Due to the flexible and versatile of these figure, practical applications that the particulars made with this contract are many and, as such, have their tax implications. From this point of view, the work deals with a detailed examination of the civilian, commercial and administrative elements that are mixed in its structure, and thereafter, the income taxation of the trust, with emphasis on the tax implications presenting the figure. The thesis makes a proposal for resolution regarding the direct and indirect taxation of the trust, since the current legislation is insufficient. While in some countries of this regional organization the legislation is becoming clearer on their tax treatment, in others countries there are not clarification on these aspects.

Trust region subproblems arise within a class of unconstrained methods called trust region methods. The subproblems consist of minimizing a quadratic function subject to a norm constraint. This thesis is a survey of different methods developed to find an approximate solution to the subproblem. We study the well-known method of More and Sorensen and two recent methods for large sparse subproblems: the so-called Lanczos method of Gould et al. and the Rendland Wolkowicz algorithm. The common ground to explore these methods will be semidefinite programming. This approach has been used by Rendl and Wolkowicz to explain their method and the More and Sorensen algorithm; we extend this work to the Lanczos method. The last chapter of this thesis is dedicated to some improvements done to the Rendl and Wolkowicz algorithm and to comparisons between the Lanczos method and the Rendl and Wolkowicz algorithm. In particular, we show some weakness of the Lanczos method and show that the Rendl and Wolkowicz algorithm is more robust.

This thesis work is in the area of modeling trust in multi-agent systems, systems of software agents designed to act on behalf of users (buyers and sellers), in applications such as e-commerce. The focus is on developing an approach for buyers to model the trustworthiness of sellers in order to make effective decisions about which sellers to select for business. One challenge is the problem of unfair ratings, which arises when modeling the trust of sellers relies on ratings provided by other buyers (called advisors). Existing approaches for coping with this problem fail in scenarios where the majority of advisors are dishonest, buyers do not have much personal experience with sellers, advisors try to flood the trust modeling system with unfair ratings, and sellers vary their behavior widely. We propose a novel personalized approach for effectively modeling trustworthiness of advisors, allowing a buyer to 1) model the private reputation of an advisor based on their ratings for commonly rated sellers 2) model the public reputation of the advisor based on all ratings for the sellers ever rated by that agent 3) flexibly weight the private and public reputation into one combined measure of the trustworthiness of the advisor. Our approach tracks ratings provided according to their time windows and limits the ratings accepted, in order to cope with advisors flooding the system and to deal with changes in agents' behavior. Experimental evidence demonstrates that our model outperforms other models in detecting dishonest advisors and is able to assist buyers to gain the largest profit when doing business with sellers. Equipped with this richer method for modeling trustworthiness of advisors, we then embed this reasoning into a novel trust-based incentive mechanism to encourage agents to be honest. In this mechanism, buyers select the most trustworthy advisors as their neighbors from which they can ask advice about sellers, forming a social network. In contrast with other researchers, we also have sellers model the reputation of buyers. Sellers will offer better rewards to satisfy buyers that are well respected in the social network, in order to build their own reputation. We provide precise formulae used by sellers when reasoning about immediate and future profit to determine their bidding behavior and the rewards to buyers, and emphasize the importance for buyers to adopt a strategy to limit the number of sellers that are considered for each good to be purchased. We theoretically prove that our mechanism promotes honesty from buyers in reporting seller ratings, and honesty from sellers in delivering products as promised. We also provide a series of experimental results in a simulated dynamic environment where agents may be arriving and departing. This provides a stronger defense of the mechanism as one that is robust to important conditions in the marketplace. Our experiments clearly show the gains in profit enjoyed by both honest sellers and honest buyers when our mechanism is introduced and our proposed strategies are followed. In general, our research will serve to promote honesty amongst buyers and sellers in e-marketplaces. Our particular proposal of allowing sellers to model buyers opens a new direction in trust modeling research. The novel direction of designing an incentive mechanism based on trust modeling and using this mechanism to further help trust modeling by diminishing the problem of unfair ratings will hope to bridge researchers in the areas of trust modeling and mechanism design.

In this paper, we propose a trust-based message propagation and evaluation framework to support the effective evaluation of information sent by peers and the immediate control of false information in a VANET. More specifically, our trust-based message propagation collects peers’ trust opinions about a message sent by a peer (message sender) during the propagation of the message. We improve on an existing cluster-based data routing mechanism by employing a secure and efficient identity-based aggregation scheme for the aggregation and propagation of the sender’s message and the trust opinions. These trust opinions weighted by the trustworthiness of the peers modeled using a combination of role-based and experience-based trust metrics are used by cluster leaders to compute a ma jority opinion about the sender’s message, in order to proactively detect false information. Malicious messages are dropped and controlled to a local minimum without further affecting other peers. Our trust-based message evaluation allows each peer to evaluate the trustworthiness of the message by also taking into account other peers’ trust opinions about the message and the peer-to-peer trust of these peers. The result of the evaluation derives an effective action decision for the peer. We evaluate our framework in simulations of real life traffic scenarios by employing real maps with vehicle entities following traffic rules and road limits. Some entities involved in the simulations are possibly malicious and may send false information to mislead others or spread spam messages to jam the network. Experimental results demonstrate that our framework significantly improves network scalability by reducing the utilization of wireless bandwidth caused by a large number of malicious messages. Our system is also demonstrated to be effective in mitigating against malicious messages and protecting peers from being affected. Thus, our framework is particularly valuable in the deployment of VANETs by achieving a high level of scalability and effectiveness.

The paper will describe one of David Miller’s arguments for limiting immigration by concluding that immigration is a threat to a successful democratic welfare state. There is a threat to a democratic welfare state when there is lack of trust in a heterogeneous society. Immigration contributes to heterogeneity. The paper will present flaws in Miller’s argument, which include the unacknowledged concepts of ignorance and fear that can lead to mistrust in cultural heterogeneous communities. I will then consider Miller’s response to the critiques. Lastly, I will mention some proposals for increasing trust and addressing the real issues in a multicultural society.

Lean production has become a widespread production system to address the need of being more productive. Since three decades ago that some big automotive manufacturers started to adopt lean, many SME’s has adopt it and enjoy the outcomes. Literature have investigated the successful implementation of lean in these organizations, yet, very few papers have addressed the challenges toward adopting lean. In this thesis research a plastic package manufacturer is chosen as the case of study to implement some initiatives of lean production and study the challenges and outcomes of lean adoption. The efforts during the making the changes were focused on adopting the SMED and Root-Cause Analysis techniques, and also to reduce defect rate in one of the products. The findings indicate before any effort to implement lean production techniques, some social issues must be considered to reduce the risk of failure. The Rosti AB case indicated that promoting motivation among operators and resolving mistrust between managers and operators is essential to encourage them to participate in improvement changes. In order to promote motivation and eliminate mistrust to encourage operators to participate in improvement changes it is necessary to empower them in decision makings in improvement implementations.

I och med att människor runt omkring i världen idag kopplas ihop med hjälp av ny teknik och kommunikationsmedier är det intressant att studera hur konsumenter från ett visst land ser på handel med andra länder på nätet. Denna studie syftar till att skildra vilka faktorer på landsnivå som gör att svenska konsumenter väljer att näthandla en digitalkamera från ett land framför ett annat. Mer specifikt utreder studien svenska konsumenters köpbeteende vid näthandel inom landet och gentemot Polen, Tyskland och USA. Tidigare forskning har visat att tillit har en viktig betydelse vid handel mellan länder och näthandel (Michaelis et al, 2008; Connolly & Bannister, 2008). Därför kopplas landsfaktorerna i studien ihop med en egenkonstruerad tillitsmodell som bygger på tidigare teorier om tillit. Med hjälp av en enkätundersökning som genomfördes bland studenter på Uppsala Universitet kom denna studie fram till att faktorer som språk, informationsteknologins utveckling samt lagar och förordningar alla påverkar tilliten vid näthandel. Respondenterna i enkätundersökningen föredrog att handla från svenska webbsidor i första hand, sedan i turordning amerikanska, tyska, och i sista hand polska.