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Optimal Bidding In Multi-Item Multi-Slot Sponsored Search Auctions, Vibhanshu Abhishek, Kartik Hosanagar 2013 University of Pennsylvania

Optimal Bidding In Multi-Item Multi-Slot Sponsored Search Auctions, Vibhanshu Abhishek, Kartik Hosanagar

Marketing Papers

We study optimal bidding strategies for advertisers in sponsored search auctions. In general, these auctions are run as variants of second-price auctions but have been shown to be incentive incompatible. Thus, advertisers have to be strategic about bidding. Uncertainty in the decision-making environment, budget constraints, and the presence of a large portfolio of keywords makes the bid optimization problem nontrivial. We present an analytical model to compute the optimal bids for keywords in an advertiser's portfolio. To validate our approach, we estimate the parameters of the model using data from an advertiser's sponsored search campaign and use the ...


Foundations Of The Firm I: Business Entities And Legal Persons, Eric W. Orts 2013 University of Pennsylvania

Foundations Of The Firm I: Business Entities And Legal Persons, Eric W. Orts

Legal Studies and Business Ethics Papers

Whether and how to recognize business enterprises as organizational "entities" and legal "persons" that bear enforceable rights, privileges, and responsibilities has been one of the most vexing issues in the history of legal thought. These issues, though often raised with respect specifically to corporations, are relevant to business firms in general.1 Debates about whether business firms are simply "legal fictions" created by the state or "real entities" that exist independently as institutions trace at least to classical Roman times.2 These debates mirror an historical tension between "topdown" and "bottom-up" perspectives on business enterprises. An appreciation of these two ...


A Three-Stage Model For Closed-Loop Supply Chain Configuration Under Uncertainty, Saman Hassanzadeh Amin, Guoqing Zhang 2013 University of Windsor

A Three-Stage Model For Closed-Loop Supply Chain Configuration Under Uncertainty, Saman Hassanzadeh Amin, Guoqing Zhang

Mechanical, Automotive & Materials Engineering Publications

In this paper, a general closed-loop supply chain (CLSC) network is configured which consists of multiple customers, parts, products, suppliers, remanufacturing subcontractors, and refurbishing sites. We propose a three-stage model including evaluation, network configuration, and selection and order allocation. In the first stage, suppliers, remanufacturing subcontractors, and refurbishing sites are evaluated based on a new quality function deployment (QFD) model. The proposed QFD model determines the relationship between customer requirements, part requirements, and process requirements. In addition, the fuzzy sets theory is utilised to overcome the uncertainty in the decision-making process. In the second stage, the closed-loop supply chain network ...


The Stock Market’S Reaction To Accounting Information: The Case Of The Latin American Integrated Market Abstract, Mauricio A. Melgarejo, Eduardo Montiel, Luis Sanz 2013 Butler University

The Stock Market’S Reaction To Accounting Information: The Case Of The Latin American Integrated Market Abstract, Mauricio A. Melgarejo, Eduardo Montiel, Luis Sanz

Scholarship and Professional Work - Business

The purpose of this paper is to explore the stock market’s reaction to quarterly financial statements. We focus our study in two countries that are participating in the Latin American Integrated Market (MILA): Peru and Chile. We find that the cumulative abnormal returns and the absolute value of the cumulative abnormal trading are explained principally by the quarterly earnings surprises around the financial statements release date. We find that these effects are more pronounced in small firms, confirming that due to the lower level of pre disclosure information accounting numbers are the main source of information. Key words: Accounting ...


Developing The External Engagement Process In Higher Education Through Effective Change And Technology, Irene Sheridan, Colm Barry-Murphy, Heather Madden 2013 Cork Institute of Technology

Developing The External Engagement Process In Higher Education Through Effective Change And Technology, Irene Sheridan, Colm Barry-Murphy, Heather Madden

Irish Business Journal

Engagement with external organisations and enterprises is increasingly part of the higher education mission and the contribution of universities to local and regional economic and social development remains an important, but difficult to evidence, metric for Higher Education Institutions (HEI). This paper explores the implementation of a Customer Relationship Management (CRM) system to support external engagement and to build business intelligence in one higher education institution in Ireland. Building on the findings of the Roadmap for Employment-Academic Partnership (REAP) project, through a structured process towards a professional case management approach to interactions this project focuses on the introduction of a ...


Demand Forecasting: Evidence-Based Methods, Kesten C. Green, J. Scott Armstrong 2012 University of Pennsylvania

Demand Forecasting: Evidence-Based Methods, Kesten C. Green, J. Scott Armstrong

Marketing Papers

In recent decades, much comparative testing has been conducted to determine which forecasting methods are more effective under given conditions. This evidence-based approach leads to conclusions that differ substantially from current practice. This paper summarizes the primary findings on what to do – and what not to do. When quantitative data are scarce, impose structure by using expert surveys, intentions surveys, judgmental bootstrapping, prediction markets, structured analogies, and simulated interaction. When quantitative data are abundant, use extrapolation, quantitative analogies, rule-based forecasting, and causal methods. Among causal methods, use econometrics when prior knowledge is strong, data are reliable, and few variables are ...


An Integrated Vendor-Buyer Cooperative Inventory Model For Items With Imperfect Quality And Shortage Backordering, Jia-Tzer Hsu, Lie-Fern Hsu 2012 Hungkuang University

An Integrated Vendor-Buyer Cooperative Inventory Model For Items With Imperfect Quality And Shortage Backordering, Jia-Tzer Hsu, Lie-Fern Hsu

Publications and Research

We develop a model to determine an integrated vendor-buyer inventory policy for items with imperfect quality and planned back orders. The production process is imperfect and produces a certain number of defective items with a known probability density function. The vendor delivers the items to the buyer in small lots of equally sized shipments. Upon receipt of the items, the buyer will conduct a 100% inspection. Since each lot contains a variable number of defective items, shortages may occur at the buyer. We assume that shortages are permitted and are completely back ordered. The objective is to minimize the total ...


Cooperative Cashing? An Economic Analysis Of Document Duplication In Cooperative Web Caching, Kartik Hosanagar, Yong Tan 2012 University of Pennsylvania

Cooperative Cashing? An Economic Analysis Of Document Duplication In Cooperative Web Caching, Kartik Hosanagar, Yong Tan

Marketing Papers

Cooperative caching is a popular mechanism to allow an array of distributed caches to cooperate and serve each others' Web requests. Controlling duplication of documents across cooperating caches is a challenging problem faced by cache managers. In this paper, we study the economics of document duplication in strategic and nonstrategic settings. We have three primary findings. First, we find that the optimum level of duplication at a cache is nondecreasing in intercache latency, cache size, and extent of request locality. Second, in situations in which cache peering spans organizations, we find that the interaction between caches is a game of ...


Access To Private Equity And Real Firm Activity: Evidence From Pipes, James R. Brown, Ioannis V. Floros 2012 Iowa State University

Access To Private Equity And Real Firm Activity: Evidence From Pipes, James R. Brown, Ioannis V. Floros

Finance Publication

No abstract provided.


Organization’S Top Management And Other System Users’ Perceptions Towards Data Quality Performance And Expectations, Hongjiang Xu 2012 Butler University

Organization’S Top Management And Other System Users’ Perceptions Towards Data Quality Performance And Expectations, Hongjiang Xu

Scholarship and Professional Work - Business

Across all levels in an organization, from CEO, executives, middle management to day-to-day operators, everyone relies on high quality information for decision making. This paper proposes frameworks for testing the alignment of organization's top management and other system users' perceptions towards and data quality for for ensuring the effectiveness and efficiency of data quality management. The frameworks not only have contributions to the theory but also have implications for organization's top management and practitioners in the fields.


A Proposed Mathematical Model For Closed-Loop Network Configuration Based On Product Life Cycle, Saman Hassanzadeh Amin, Guoqing Zhang 2012 University of Windsor

A Proposed Mathematical Model For Closed-Loop Network Configuration Based On Product Life Cycle, Saman Hassanzadeh Amin, Guoqing Zhang

Mechanical, Automotive & Materials Engineering Publications

Products may be returned over their life cycle. Industrial experiences show that there are three main return–recovery pairs. Commercial returns are repaired. End-of-use returns often are remanufactured. In addition, end-of-life returns are recycled. However, up to now, no optimization model is proposed for closed-loop configuration based on three return–recovery pairs. The repaired and remanufactured products can be sold in the same or secondary market. In this paper, we design and configure a general closed-loop supply chain network based on product life cycle. The network includes a manufacturer, collection, repair, disassembly, recycling, and disposal sites. The returned products are ...


Business Strategies For Emerging Markets: Agility, Size And Taste, Singapore Management University 2012 Singapore Management University

Business Strategies For Emerging Markets: Agility, Size And Taste, Singapore Management University

Perspectives@SMU

The term 'BRIC' was invented by Goldman Sachs economist Jim O'Neill in 2001 to shorthand the four key emerging economies to watch. BRIC, of course stands for Brazil, Russia, India, China – countries that have, over the past decade, produced a third of global GDP, and represent a quarter of world's population. In 2010, the BRIC middle classes - with incomes between 6,000 and 30,000 USD - overtook that of the G7, and it has been estimated that this middle class population will double by 2020, profoundly changing demand trends in favour of value-added products such as cars, office ...


Lessons From The Flash Crash For The Regulation Of High-Frequency Traders, Edgar Ortega Barrales 2012 Fordham Law School

Lessons From The Flash Crash For The Regulation Of High-Frequency Traders, Edgar Ortega Barrales

Fordham Journal of Corporate & Financial Law

Are equity markets vulnerable to a sudden collapse if the traders who account for about half of the volume have no regulatory obligations to stabilize prices? After the “Flash Crash” of May 6, 2010, policymakers have resoundingly answered this question in the affirmative. During the worst of the crash, some of the so-called high-frequency trading firms that dominate equity markets stopped trading and prices collapsed, momentarily wiping out almost $1 trillion in market value. In response, the U.S. Securities and Exchange Commission is considering whether high-frequency trading firms should be required to act as the traders of last resort ...


Opportunities And Challenges For The Asset Management Industry, Singapore Management University 2011 Singapore Management University

Opportunities And Challenges For The Asset Management Industry, Singapore Management University

Perspectives@SMU

With the secular rise of Asia and a deluge of capital inflows, amid a backdrop of battered global financial markets, bankers, asset managers, academics and investors gathered to hear and discuss the opportunities and challenges facing the asset management industry in Asia. Organised by the Centre for Asset Securitisation and Management in Asia(CASA), under SMU's Sim Kee Boon Institute for Financial Economics, the inaugural asset management conference hosted a panel of experts.


Private Monitoring And Communication In Cartels: Explaining Recent Collusive Practices, Joseph E. Harrington Jr, Andrzej Skrzypacz 2011 University of Pennsylvania

Private Monitoring And Communication In Cartels: Explaining Recent Collusive Practices, Joseph E. Harrington Jr, Andrzej Skrzypacz

Business Economics and Public Policy Papers

Motivated by recent cartel practices, a stable collusive agreement is characterized when firms' prices and quantities are private information. Conditions are derived whereby an equilibrium exists in which firms truthfully report their sales and then make transfers within the cartel based on these reports. The properties of this equilibrium fit well with the cartel agreements in a number of markets including citric acid, lysine, and vitamins.


For A Competitive Edge In Services, Invest In The Right People And Processes, Singapore Management University 2011 Singapore Management University

For A Competitive Edge In Services, Invest In The Right People And Processes, Singapore Management University

Perspectives@SMU

Steve Jobs can teach us a thing or two about customer loyalty. Though Apple products have sometimes fallen short of expectations, Apple customers think nothing of standing in line for hours just to get their hands on the company's latest. According to Valarie Zeithaml, a David S Van Pelt Family distinguished professor of marketing at the University of North Carolina, recent financials show that Apple is achieving US$4,406 per annum sales per square foot – far higher than brands such as the US$3,000 per annum sales per square foot of premier global jeweller Tiffany and US ...


Researchers Should Make Thoughtful Assessments Instead Of Null-Hypothesis Significance Tests, Andreas Schwab, Eric Abrahamson, William H. Starbuck, Fiona Fidler 2011 Iowa State University

Researchers Should Make Thoughtful Assessments Instead Of Null-Hypothesis Significance Tests, Andreas Schwab, Eric Abrahamson, William H. Starbuck, Fiona Fidler

Management Publications

Null-hypothesis significance tests (NHSTs) have received much criticism, especially during the last two decades. Yet, many behavioral and social scientists are unaware that NHSTs have drawn increasing criticism, so this essay summarizes key criticisms. The essay also recommends alternative ways of assessing research findings. Although these recommendations are not complex, they do involve ways of thinking that many behavioral and social scientists find novel. Instead of making NHSTs, researchers should adapt their research assessments to specific contexts and specific research goals, and then explain their rationales for selecting assessment indicators. Researchers should show the substantive importance of findings by reporting ...


The Challenge Of Implementing An Erp System In A Small And Medium Enterprise – A Teaching Case Of Erp Project Management, Hongjiang Xu, Patrick J. Rondeau, Sakthi Mahenthiran 2011 Butler University

The Challenge Of Implementing An Erp System In A Small And Medium Enterprise – A Teaching Case Of Erp Project Management, Hongjiang Xu, Patrick J. Rondeau, Sakthi Mahenthiran

Scholarship and Professional Work - Business

Enterprise Resource Planning (ERP) system implementation projects are notoriously risky. While large-scale ERP cases continue to be developed, relatively few new ERP cases have been published that further ERP implementation education in small to medium size firms. This case details the implementation of a new ERP system in a medium sized manufacturing firm. As students explore the case, they will be required to address the many ERP-related project management, procurement, human resource, and management involvement issues raised by it. This case highlights the ERP implementation problems experienced by case company in one of their two divisions. The firm is considering ...


Dynamic Versus Static Pricing In The Presence Of Strategic Consumers, Gérard P. Cachon, Pnina Feldman 2010 University of Pennsylvania

Dynamic Versus Static Pricing In The Presence Of Strategic Consumers, Gérard P. Cachon, Pnina Feldman

Marketing Papers

Should a firm's price respond dynamically to shifts in demand? With dynamic pricing the firm can exploit high demand by charging a high price, and can cope with low demand by charging a low price to more fully utilize its capacity. However, many firms announce their price in advance and do not make adjustments in response to market conditions, i.e., they use static pricing. Therefore, with static pricing the firm may find that its price is either lower or higher than optimal given the observed market condition. Nevertheless, we find that when consumers are strategic and can anticipate ...


Multi-Product Budget-Constrained Acquistion And Pricing With Uncertain Demand And Supplier Quantity Discounts, Jianmai Shi, Guoqing Zhang 2010 University of Windsor

Multi-Product Budget-Constrained Acquistion And Pricing With Uncertain Demand And Supplier Quantity Discounts, Jianmai Shi, Guoqing Zhang

Mechanical, Automotive & Materials Engineering Publications

We consider the joint acquisition and pricing problem where the retailer sells multiple products with uncertain demands and the suppliers provide all unit quantity discounts.The problem is to determine the optimal acquisition quantities and selling prices so as to maximize the retailer’s expected profit, subject to a budget constraint. This is the first extension to consider supplier discounts in the constrained multi-product newsvendor pricing problem. We establish a mixed integer nonlinear programming (MINLP) model to formulate the problem, and developaLagrangian based solution approach.Computational results for the test problems involving up to thousand products are reported, which show ...


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