Exploring cruise ship passenger spending patterns in two Uruguayan ports of call

The cruise industry has become a significant component of the Uruguayan tourism economy in the last few years. The present study aims to provide a better understanding of the cruise industry by considering the expenditure of cruise ship passengers disembarking at the ports of call of Montevideo and Punta del Este as a key variable in the economic analysis of the costs and benefits. We estimate two cross-sectional regression models for cruise passenger expenditures, and show that the size of the group the visitors travel with and visitor mobility within the country are the most important variables to explain individual expenditure behaviour. We also include some management recommendations that policy-makers could implement in order to improve the economic profits from cruise ship tourism.     

Revisiting the objectives of worker-managed firms: An empirical assessment

This paper provides new evidence on the objectives pursued by worker-managed firms (WMFs). The basic neoclassical model assumes that WMFs maximizes net income per member instead of total profits (Ward, 1958). Even though it has been largely criticized, the Ward model has dominated the self-management literature. Alternative models suggest that WMFs are not only concerned about income per worker but also about the level of employment. However, the empirical content of these competing theoretical models has been rarely analyzed. This paper contributes to fill this gap by estimating the parameters of a generic welfare function, following the methodology proposed by Craig and Pencavel (1993). These parameters determine the relative importance that a WMF places on income per worker vis-a-vis the level of employment. Estimates are based on a long micro-panel of Uruguayan firms covering the entire population of Uruguayan worker-managed firm and conventional firms in 31 3-digit sectors over the period April 1996-December 2005. Following a strictly neoclassical framework, but simply allowing a more general specification of the WMF goals, we show that the assumption of the basic neoclassical model of the WMF is misleading. Our results support the view that WMFs are concerned with both employment and income per worker.     

Linking Exploration with Exploitation through Relationship Memory*

Companies that are able to help clients make better decisions and enhance their business capabilities to flourish. However, there is often poor rapport between operating personnel who are in touch with end customers and executive personnel who make decisions. Through exploration and exploitation processes, new ideas and actions flow from the individual (i.e., operating personnel) to the organization (i.e., the rest of individuals and groups that form part of the organization). This paper examines the relative importance and significance of “the relationship memory” as a bridge between “exploration” and “exploitation” processes and its effects on the creation of “customer capital” through an empirical investigation of 139 small to medium‐sized enterprises in the Spanish optometry sector using structural equation modeling validated by factor analysis.     

Reduced-bias tail index estimation and the jackknife methodology

In the context of regularly varying tails, we first analyze a generalization of the classical Hill estimator of a positive tail index, with members that are not asymptotically more efficient than the original one. This has led us to propose alternative classical tail index estimators, that may perform asymptotically better than the Hill estimator. As the improvement is not really significant, we also propose generalized jackknife estimators based on any two members of these two classes. These generalized jackknife estimators are compared with the Hill estimator and other reduced-bias estimators available in the literature, asymptotically, and for finite samples, through the use of Monte Carlo simulation. The finite-sample behaviour of the new reduced-bias estimators is also illustrated through a practical example in the field of finance.     

Risikomanagement in Schaden-/Unfall-Versicherungsunternehmen

Seit Inkrafttreten des KonTraG im Mai 1998 sind Versicherungsunternehmen gesetzlich zur Einführung eines Risikofrüherkennungssystems verpflichtet. Es existieren bisher keine genauen gesetzlichen Vorgaben für die inhaltliche Ausgestaltung dieses Systems. Ziel dieses Artikels ist es zum einen, einen überblick über die verschiedenen Ausgestaltungsvarianten von Risikofrüherkennungssystemen in der Versicherungspraxis zu geben. Grundlage hierfür bildet eine Umfrage unter 229 deutschen Schaden-/Unfall-Versicherungsunternehmen im Herbst 2000. Zum anderen werden theoretische Ansatzpunkte für eine Integration von Risikomanagementsystemen in die Unternehmensführung anhand der betrieblichen Teilsysteme Planung, Organisation, Personalführung, Informationssystem, Kontrolle und Controlling aufgezeigt.     

WITHDRAWN SPIN‐OFFS: AN EMPIRICAL ANALYSIS

We examine market reaction to corporate spin‐offs that are eventually withdrawn. These spin‐offs do not experience the significant positive share price response reported for spin‐offs generally. The overall market reaction to both the initial spin‐off announcement and the withdrawal announcement is not significant. When a reason is provided for withdrawing a spin‐off, there is a significant positive market reaction; otherwise, there is a significant negative reaction. Firms that withdraw a spin‐off without stating a reason experience significant deterioration in industry‐adjusted operating performance in the three years following the withdrawal. These results indicate the market can anticipate the viability of withdrawn spin‐offs at the time of the initial announcement. JEL classification: G34     

Stock Market Mean Reversion and the Optimal Equity Allocation of a Long-Lived Investor

This paper solves numerically the intertemporalconsumption and portfolio choiceproblem of an infinitely-lived investor whofaces a time-varying equity premium.The solutions we obtain are very similarto the approximate analytical solutionsof Campbell and Viceira (1999), except atthe upper extreme of the state spacewhere both the numerical consumption andportfolio rules flatten out.We also consider a constrained version ofthe problem in which the investor facesborrowing and short-sales restrictions.These constraints bind when the equitypremium moves away from its mean in eitherdirection, and are particularly severe forrisk-tolerant investors. The constraints havesubstantial effects on optimalconsumption, but much more modest effects onoptimal portfolio choice in theregion of the state space where they are notbinding.