Publications associées à Commerce de détail

Essays on the Economics of Innovation: Incentives, Diffusion, and Disparity

As an important policy instrument for guiding innovation, the patent system involves a long-standing tension between creating economic rewards for the original innovators and stifling subsequent R&D activities. The availability of new data allows us to pro ...

EPFL2021

High-Frequency Jump Analysis of the Bitcoin Market

Christopher Trevisan, Adrien Treccani

We use the database leak of Mt. Gox exchange to analyze the dynamics of the price of bitcoin from June 2011 to November 2013. This gives us a rare opportunity to study an emerging retail-focused, highly speculative and unregulated market with trader identi ...

OXFORD UNIV PRESS2020

Product assortment and space allocation strategies to attract loyal and non-loyal customers

Ralf Seifert, Anna Timonina-Farkas, Argyro Katsifou

Assortment planning deserves much attention from practitioners and academics due to its direct impact on retailers' commercial success. In this paper we focus on the increasingly popular retail practice to use combined product assortments with both "standa ...

2020

Recombinant Proteins for Industrial versus Pharmaceutical Purposes: A Review of Process and Pricing

Florian Maria Wurm

Recombinant proteins have been produced for over 30 years. Applications range from enzymes used in laundry detergents to antigen-detecting antibodies in cancer therapy. Despite similarities in manufacturing, drastic differences in retail pricing between re ...

2019

Optimization of sample size and order size in an inventory model with quality inspection and return of defective items

Naoufel Cheikhrouhou, Rafael Batista

To ensure all products as perfect, inspection is essential, even though it is not possible to inspect all products after producing them like some special type products as plastic joint for the water pipe. In this direction, this paper develops an inventory ...

SPRINGER2018

Scale-adaptive media item segmentation technique

Radhakrishna Achanta

The present invention concerns a method of segmenting a media item comprising media elements. The method comprises: selecting a first seed media element for a first cluster of media elements, referred to hereinafter as a first adaptel; selecting a second s ...

2017

Improving firm performance through sustainable operations

Mervegül Kirci

As concerns over environmental sustainability rise, corporations must extend their efforts to improve their environmental performance while at the same time realizing economic growth. The endeavor represents challenges on both strategic and operational fro ...

EPFL2017

The Vanishing Hand: Efficient Market Design for Future Power Systems

Anjali Devi Vanapilli Nursimulu

Transition to low-carbon power systems is in progress, fuelled by policy-driven accelerated deployment of new renewable electricity generation technologies (wind and solar), smart electrification, prosumerisation and digitisation. Largely occurring against ...

2016

A two-stage stochastic programming approach to employee scheduling in retail outlets with uncertain demand

Colin Neil Jones

This paper describes an employee scheduling system for retail outlets; it is a constraint-based system that exploits forecasts and stochastic techniques to generate schedules meeting the demand for sales personnel. Uncertain scenarios due to fluctuating de ...

Elsevier2015

Joint product assortment, inventory and price optimization to attract loyal and non-loyal customers

Ralf Seifert, Argyro Katsifou, Jean-Sébastien Tancrez

In this paper, we analyze the emerging retail practice of carrying a combined product assortment consisting of both regular "standard" products and more fashionable and short-lived "special" products. The purpose of this practice is to increase store traff ...

Pergamon-Elsevier Science Ltd2014

A rewarding-punishing coordination mechanism based on Trust in a divergent supply chain

Naoufel Cheikhrouhou

Coordination of decentralized supply chains using contract design is a problem that has been widely addressed in the literature. We consider a divergent supply chain including a supplier and several retailers producing fashion products with short sale seas ...

Elsevier Science Bv2013

A DSS to Optimize Facings on the Shelf of a Retail Store

Prem Kumar

This paper aims to maximize the profitability of a set of brand SKUs stocked at a particular retailer by optimizing the number of facings for each product. Based on the past data, a set of variables such as retail price of different SKUs, linear footage th ...

2010

Cooperative Object Segmentation and Behavior Inference in Image Sequences

Jean-Philippe Thiran, Laura Ioana Gui

In this paper, we propose a general framework for fusing bottom-up segmentation with top-down object behavior inference over an image sequence. This approach is beneficial for both tasks, since it enables them to cooperate so that knowledge relevant to eac ...

2009

Item-Level RFID in the Retail Supply Chain

Ralf Seifert

Analyzing the proliferation of item-level RFID, recent studies have identified the cost sharing of the technology as a gating issue. Various qualitative studies have predicted that conflict will arise, in particular in decentralized supply chains, from the ...

2007

Integrating Direct and Indirect Sales Channels Under Decentralized Decision Making

Ralf Seifert

Many manufacturers have started to use virtual stores as a direct distribution channel in addition to their existing indirect retail channels. These companies must now decide how to integrate these channels. The alternatives are to operate dedicated distri ...

2006