Improving Market Selection for Fed Beef Cattle: The Value of Real-Time Ultrasound and Relations Data

The introduction of value-based marketing has provided the industry with the means to price cattle based on their desired attributes and has provided an alternative marketing channel for producers to select. Gains can be made by selecting animals that will be "in the grid" for value-based marketing channels while screening out animals that won't and sending them to dressed-value or live-weight marketing channels. This study estimates the gains from using real-time ultrasound (RTU) as well as information on graded animal relations (i.e., animals that have the same parentage slaughtered and graded in previous years) to predict carcass quality and yield grades prior to slaughter. These predictions are used in an optimization model designed to select the marketing channel for individual animals that will maximize returns. The optimal marketing strategy from this study involves a mix of live-weight, dressed-weight and grid sales methods rather than marketing all of the animals together. The results suggest that increases in returns in the range of $0.61–27.26 per head from using relations data, $9.04-16.75 per head from using RTU measures and $11.27-27.93 per head from using both to selectively market beef animals. These estimates do not account for the gains that could be obtained from using RTU to improve market timing, i.e., to time when the animal will grade best.     

Inferring Market Structure from Customer Response to Competing and Complementary Products

We consider customer influences on market structure, arguing that market structure should explain the extent to which any given set of market offerings are substitutes or complements. We describe recent additions to the market structure analysis literature and identify promising directions for new research in market structure analysis. Impressive advances in data collection, statistical methodology and information technology provide unique opportunities for researchers to build market structure tools that can assist real-time marketing decision-making.     

Danger signs of unethical behavior: How to determine if your firm is at ethical risk

This paper is designed to do three things. First, it discusses some of the key trends in business ethics in the academic and corporate communities. Initiatives like the Arthur Andersen Business Ethics Program are noted. Secondly, the paper examines certain basic misconceptions about the field and concludes that the adage that good ethics is good business is still true. Finally, the paper highlights fourteen business attitudes or practices that may put a firm at ethical risk. For example, the paper discusses the risk of using ethics as simply a public relations initiative.Man's life is not a state of unalloyed happiness. The earth is no paradise. Although this is not the fault of social institutions, people are wont to hold them responsible for it. The foundation of any and every civilization, including our own, is private ownership of the means of production. Whoever wishes to criticize modern civilization, therefore, begins with private property. It is blamed for everything that does not please the critic, especially those evils that have their origin in the fact that private property has been hampered and restrained in various respects so that its full social potentialities cannot be realized.¹ Ludwig von Mises Robert Allan Cooke is Director of the Institute for Business Ethics at DePaul University. He has served as a member of the executive board of the Corporate Responsibility Group of Chicago, the educational subcommittee of Chicago United, and as an academic advisor for the Heartland Institute. He serves as project liason on the advisory council of the Arthur Andersen Business Ethics Program. He is also a management consultant in corporate training who frequently lectures to business and civic groups. His most recent publication is: The Ethical Side of Takeovers and Mergers, with Earl Young, Essentials of Business Ethics (New American Library, 1990).     

Lessons from the early history of the federal reserve

We meet in Germany a little more than one year after the start of a new monetary institution, modeled in part as a federal system like the Federal Reserve with policy operations like those of the Bundesbank. For the past five years, one of my main occupations has been the early history of the Federal Reserve. I have looked in detail at its voluminous records of its formative years. My talk today is a brief summary of some things I have learned. Presidential Address presented at the Forty-Ninth International Atlantic Economic Conference, Munich, Germany, March 14–21, 2000.     

Evaluating Real Estate Valuation Systems

A framework for comparing real estate valuation systems (including automated valuation models (AVMs) and current appraisal methods) is proposed. The density estimation and profit simulation (DEPS) method measures quality of a valuation system by simulating benefits to the mortgage lender who uses this method in mortgage underwriting to limit mortgage portfolio losses due to default. Related simple measures relevant to the selection of a valuation system are also discussed: skewness of the distribution of errors, correlation of valuation errors with current selling price errors, correlation of errors of the valuation system with errors of valuation systems used by competing mortgage lenders, and other measures.     

Model-free portfolio theory: A rough path approach

Based on a rough path foundation, we develop a model-free approach to stochastic portfolio theory (SPT). Our approach allows to handle significantly more general portfolios compared to previous model-free approaches based on Föllmer integration. Without the assumption of any underlying probabilistic model, we prove a pathwise formula for the relative wealth process, which reduces in the special case of functionally generated portfolios to a pathwise version of the so-called master formula of classical SPT. We show that the appropriately scaled asymptotic growth rate of a far reaching generalization of Cover's universal portfolio based on controlled paths coincides with that of the best retrospectively chosen portfolio within this class. We provide several novel results concerning rough integration, and highlight the advantages of the rough path approach by showing that (nonfunctionally generated) log-optimal portfolios in an ergodic Itô diffusion setting have the same asymptotic growth rate as Cover's universal portfolio and the best retrospectively chosen one.     

Clustering and compatibility between tourism attractions

Cumulative attraction or compatibility is a powerful factor in locational decisions of retail outlets, but it has received little attention in the tourism literature. Existing studies largely ignore the impact of spatial and thematic clustering on compatibility between tourism businesses. This research questions whether and how spatial and thematic clustering are related to tourist movements between visitor attractions. The study in Cornwall, England, is based on in‐depth interviews with tourist attraction managers and key informants, complemented by a survey of 435 tourists. It provides insights into the relationship between the nature of the tourism product, spatial clustering and tourism behaviour. Copyright © 2009 John Wiley & Sons, Ltd.