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Cumulative prospect theory and mean-variance analysis: a rigorous comparison

We propose a numerical optimization approach that can be used to solve portfolio selection problems including several assets and involving objective functions from cumulative prospect theory (CPT). Implementing the suggested algorithm, we compare asset allocations that are derived for CPT based on two different methods: maximizing CPT along the mean–variance efficient frontier so…

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English / 01/12/2017

Competitive pricing reduces wasteful counterproductive behaviors

Counterproductive reactions to unfavorable trading prices can cause inefficiencies in economic exchange. This paper studies whether the use of a competitive pricing mechanism reduces such wasteful activities. We report data from a laboratory experiment where a powerful buyer can trade with one of two sellers—an environment that can lead to very low prices for the sellers. We find…

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English / 01/12/2017

The Code is the Model

Conventionally, agent-based models are specified in a combination of natural language and mathematical terms, and their implementation seen as an afterthought. I challenge this view and argue that it is the source code that represents the model best, with natural language and mathematical descriptions serving as documentation. This modeling paradigm is inspired by agile software…

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English / 01/12/2017

Reports on CBMI 16 and ICME 16

This issue features not just one but two conference reports. The first covers the 14th International Workshop on Content-Based Multimedia Indexing (CBMI 16), while the second covers the 2016 IEEE International Conference on Multimedia and Expo (ICME 2016). For both, find out what hot topics and key themes were discussed, which submissions earned the Best Paper awards, and more.

Institution partenaire

Haute Ecole de Gestion de Genève

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English / 26/11/2017

Adriel Jost: Is Monetary Policy Too Complex for the Public? Evidence from the UK

Central banks have increased their engagement in the information and education of the broad public. But what can be said about the nonprofessional’s knowledge of monetary policy and central banking? Based on the Bank of England’s Inflation Attitudes Survey, I construct a score to capture the central banking knowledge of the respondents. I show that the average British person displays…

Institution partenaire

Banque nationale suisse

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English / 23/11/2017

"Principled Embeddedness": How foreign direct Investment may contribute to inclusive and sustainable growth in developing economies?

Foreign direct investment (FDI) plays a crucial role in enabling developing economies to embark on a path of inclusive growth. This applies in particular if local subsidiaries of multinational enterprises (MNEs) are committed to ‘principled embeddedness’ meaning that they are prepared to integrate parts of the local economy into global value chains by enabling them to comply with the…

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English / 23/11/2017

Sustainable and Future Oriented Cocoa Production in Ghana: Analysis of the Initiatives of two Swiss Chocolate Manufacturers

Sustainability remains high on the worldwide agenda in the cocoa sector as numerous problems threaten its viability. This study gives a broad picture of the Ghanaian cocoa sector and examines the initiatives of two Swiss chocolate manufacturers aiming at a more sustainable and future-oriented cocoa production in Ghana.
The study reveals many challenges the Ghanaian cocoa sector…

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English / 23/11/2017

Embeddedness of Chiquita’s Banana Production in Panama: The potential to mitigate social and ecological problems

The study examines the banana production operations of Chiquita in the remote region of Changuinola in Panama and contrasts it with experiences from Guatemala and Costa Rica. Of particular interest are the local context and the socio-economic framework conditions in which the company is operating. They are essential to assessing the embeddedness of the company in the region. Moreover…

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English / 23/11/2017

Positive Sustainability Effects Resulting from Embeddedness: Evidence from Syngenta’s potato business in Kenya and Colombia

A variety of studies assess the impact of multinational enterprises (MNE) in developing countries. They mainly focus on the negative externalities of these companies. Therefore, this study focuses on the positive effects emanating from the presence of MNEs in developing countries. It is hypothesised that positive externalities resulting from MNEs have their source in the local…

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English / 23/11/2017

Steerable wavelet machines (SWM): : learning moving frames

We present texture operators encoding class-specific local organizations of image directions (LOIDs) in a rotation-invariant fashion. The LOIDs are key for visual understanding, and are at the origin of the success of the popular approaches, such as local binary patterns (LBPs) and the scale-invariant feature transform (SIFT). Whereas, LBPs and SIFT yield hand-crafted image…

Institution partenaire

Haute Ecole de Gestion de Genève

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English / 19/11/2017

Estimating bargaining-related tax advantages of multinational firms

Zoller-Rydzek, Benedikt; Strecker, Nora M.; Egger, Peter

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English, Deutsch / 17/11/2017

Essays in asset pricing

My dissertation consists of three chapters, each of which focuses on a different area of research in asset pricing. The first chapter's focal point is the measurement of the premium for jump risks in index option markets. The second chapter is devoted to non- parametric measurement of pricing kernel dispersion. The third chapter contributes to the literature on latent state variable…

Institution partenaire

Università  della Svizzera italiana

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English / 16/11/2017

KYC Optimization Using Distributed Ledger Technology

The know-your-customer (KYC) due diligenceprocess is outdated and generates costs of up to USD 500million per year per bank. The authors propose a newsystem, based on distributed ledger technology (DLT), thatreduces the costs of the core KYC verification process forfinancial institutions and improves the customer experi-ence. In the proposed system, the core KYC verificationprocess…

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English / 15/11/2017

Under-connected and over-connected networks: the role of externalities in strategic network formation

Since the seminal contribution of Jackson and Wolinsky (J Econ Theory 71(1):44–74, 1996) it has been widely acknowledged that the formation of social networks exhibits a general conflict between individual strategic behavior and collective outcome. What has not been studied systematically are the sources of inefficiency. We approach this omission by analyzing the role of positive…

Institution partenaire

Université de Fribourg

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English / 14/11/2017

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