Balance between auditing and marketing: An explorative study

This study explores how auditors’ attitudes toward marketing and their views on the importance of marketing affect how they balance their time spent on auditing and marketing activities. The purpose is to understand how changes in the business environment for auditors affect the relationship between the auditing profession and marketing. The study is based on a survey of 672 auditors in Sweden. Findings suggest that auditors with a positive attitude toward marketing spend significantly more time on marketing activities compared to those with a less positive attitude. Furthermore, auditors who view marketing activities as important spend significantly more time on marketing activities. The study controlled for the number of years as an auditor, age of the auditor, and firm affiliation. The results indicate that the theoretical distance between the auditing profession and marketing does not exist in practice to the same degree as in the past. These findings have implications for international auditing theory and practice in illuminating the relationship of marketing and auditing in a wider business context.     

The representation of American options prices under stochastic volatility and jump-diffusion dynamics

This paper considers the problem of pricing American options when the dynamics of the underlying are driven by both stochastic volatility following a square-root process as used by Heston [Rev. Financial Stud., 1993, 6, 327–343], and by a Poisson jump process as introduced by Merton [J. Financial Econ., 1976, 3, 125–144]. Probability arguments are invoked to find a representation of the solution in terms of expectations over the joint distribution of the underlying process. A combination of Fourier transform in the log stock price and Laplace transform in the volatility is then applied to find the transition probability density function of the underlying process. It turns out that the price is given by an integral dependent upon the early exercise surface, for which a corresponding integral equation is obtained. The solution generalizes in an intuitive way the structure of the solution to the corresponding European option pricing problem obtained by Scott [Math. Finance, 1997, 7(4), 413–426], but here in the case of a call option and constant interest rates.     

A note on different models of stochastic processes dealt with in the collective theory of risk

Abstract

1. For the definition of general processes with special regard to those concerned in Collective Risk Theory reference is made to Cramér (Collective Risk Theory, Skandia Jubilee Volume, Stockholm, 1955). Let the independent parameter of such a process be denoted by τ, with the origin at the point of departure of the process and on a scale independent of the number of expected changes of the random function. Denote with p(τ, n)dt the asymptotic expression for the conditional probability of one change in the random function while the parameter passes from τ to τ + dτ: relative to the hypothesis that n changes have occurred, while the parameter passes from 0 to τ. Assume further—unless the contrary is stated—that the probability of more than one change, while the parameter passes from τ to τ + dτ, is of smaller order than dτ.     

Lewis' branching poisson process model from the point of view of the theory of compound poisson processes

Abstract

1. Lewis [1] has used a composite process as a model for computer failure patterns. This model seems to be of a much wider scope of application at least after some modifications, which are discussed in this note. ¹ The present author has read Lewis [1] only in the form of a galley proof with due regard to a few corrections kindly communicated by Lewis. This note was prepared in 1964 before the publication of Lewis' paper.      

Choice and the Internet: From Clickstream to Research Stream

The authors discuss research progress and future opportunities for modeling consumer choice on the Internet using clickstream data (the electronic records of Internet usage recorded by company web servers and syndicated data services). The authors compare the nature of Internet choice (as captured by clickstream data) with supermarket choice (as captured by UPC scanner panel data), highlighting the differences relevant to choice modelers. Though the application of choice models to clickstream data is relatively new, the authors review existing early work and provide a two-by-two categorization of the applications studied to date (delineating search versus purchase on the one hand and within-site versus across-site choices on the other). The paper offers directions for further research in these areas and discusses additional opportunities afforded by clickstream information, including personalization, data mining, automation, and customer valuation. Notwithstanding the numerous challenges associated with clickstream data research, the authors conclude that the detailed nature of the information tracked about Internet usage and e-commerce transactions presents an enormous opportunity for empirical modelers to enhance the understanding and prediction of choice behavior.     

Optimal Real Estate Portfolios

In recent years, increasing attention has been paid the problem of analyzing, evaluating and selecting real estate investments within the context of a portfolio. Most approaches simply attempt to adapt existing theory and models from the well-developed literature of securities investments. Most adaptations or extensions to real estate are not without serious problems, however, because of several fundamental difficulties relating to optimization technology inadequacies and a general lack of reliable and consistent market data.
This article deals with the major problems of utilizing some of the classic securities investment models for real estate. Further, a risk-return model is advanced which overcomes most of the fundamental problems outlined earlier in the article.     

The upgrading effect of voluntary export restraints

Summary Given that a volume-defined VER is introduced on two differently priced varieties of a good,(i) the transfer of the VER-rent to the exporting country will cause imports of both varieties to fall,(ii) the relative price change in favour of the high cost variety counteracts this import fall and could in fact outweigh it,(iii) an ad valorem tariff restoring the original relative price of the two varieties would increase welfare and that welfare increase could in fact outweigh the welfare loss due to the VER-transfer to the exporting country.     

Do the physical facilities in restaurants match older Americans’ preferences?

This study investigated restaurants’ response to the aging population’s preferences. Gaps between previously identified preferences and current restaurant design were examined. The observational survey assessed: parking and outside accessibility, comfort and inside accessibility, menu readability, and restrooms. Occasional gaps were found even though restaurants were generally well-designed. Casual dining restaurants were more likely to meet consumer preferences as to the exterior, seating, and service. Limited-service restaurants better met preferences for the bathrooms, lighting, and sound. This information may be helpful when building or remodeling restaurants and may help restaurants to attract older customers.