Property rights for the poor: Effects of land titling

Secure property rights are considered a key determinant of economic development. The evaluation of the causal effects of property rights, however, is a difficult task as their allocation is typically endogenous. To overcome this identification problem, we exploit a natural experiment in the allocation of land titles. In 1981, squatters occupied a piece of land in a poor suburban area of Buenos Aires. In 1984, a law was passed expropriating the former owners' land to entitle the occupants. Some original owners accepted the government compensation, while others disputed the compensation payment in the slow Argentine courts. These different decisions by the former owners generated an exogenous allocation of property rights across squatters. Using data from two surveys performed in 2003 and 2007, we find that entitled families substantially increased housing investment, reduced household size, and enhanced the education of their children relative to the control group. These effects, however, did not take place through improvements in access to credit. Our results suggest that land titling can be an important tool for poverty reduction, albeit not through the shortcut of credit access, but through the slow channel of increased physical and human capital investment, which should help to reduce poverty in future generations.     

CREDIT DEFAULT SWAPS – WEAPON OF MASS DESTRUCTION OR RELIABLE INDICATOR?

Credit Default Swaps (CDS) are said to increase systemic vulnerability, but they also serve as an ex‐ante indicator of default probabilities, more finely‐tuned and more responsive than ratings agency reports. And they provide a useful mechanism for trading risk and an incentive for good management by businesses and governments.     

Behaviour theory and soft transport policy measures

The aim is to propose a theoretical grounding of soft transport policy measures that aim at promoting voluntary reduction of car use. A general conceptual framework is first presented to clarify how hard and soft transport policy measures impact on car-use reduction. Two different behavioural theories that have been used to account for car use and car-use reduction are then integrated in a self-regulation theory that identifies four stages of the process of voluntarily changing car use: setting a car-use reduction goal, forming a plan for achieving the goal, initiating and executing the plan, and evaluating the outcome of the plan execution. A number of techniques are described that facilitate the different stages of the process of voluntary car-use reduction and which should be used in personalized travel planning programs.     

Die Prognose von Serviceintervallen mit?der?Hazard-Raten-Analyse – Ergebnisse einer empirischen Studie im Automobilmarkt

Mit dem After Sales-Gesch?ft generieren die deutschen Automobilbauer etwa die H?lfte ihrer Gewinne. Gerade vor dem Hintergrund der aktuellen gesamtwirtschaftlichen Entwicklungen, wovon insbesondere das Neuwagengesch?ft betroffen ist, erscheinen Anstrengungen zur Optimierung der kundenindividuellen Ansprache im Service-, Teile- und Wartungsgesch?ft aussichtsreich zu sein. Als Voraussetzung dafür kann das Wissen über die kundenindividuellen Serviceintervalle als entscheidender Wettbewerbsvorteil gesehen werden, denn nur hiermit lassen sich Kunden auch zielgerichtet ansprechen und potenzielle Abwanderungen vermeiden. Genau an diesem Punkt knüpft dieser Beitrag an, indem mit der Hazard-Raten-Analyse ein wissenschaftlich fundiertes und praktikables Verfahren zur Prognose kundenindividueller Serviceintervalle illustriert wird. Da dieses im betriebswirtschaftlichen Kontext ohnehin sehr junge Analyseverfahren bislang überwiegend im FMCG (Fast Moving Consumer Goods)-Bereich auf Scannerdaten zum Einsatz kam, kann dieser Beitrag als Leitfaden für eine Erweiterung im Bereich langlebiger Konsum- und Investitionsgüter gesehen werden. Die Ergebnisse zeigen, dass der Anteil korrekt gesch?tzter Serviceintervalle die einfache lineare Fortschreibung, die bis dato das Standardverfahren zur Prognose von Serviceintervallen darstellt, um über 20% übertrifft bzw. die Prognosegenauigkeit von ±73 Tagen auf ±38 Tage gesteigert werden kann. Das Erfolgspotenzial einer kundenindividuellen Direktansprache l?sst sich mit dieser substanziellen Verbesserung der zugrunde liegenden Informationsbasis erheblich steigern. Aus der Verbesserung der Prognosegenauigkeit auf kundenindividueller Ebene (Mikroebene) resultiert schlie?lich auch auf der Makroebene (Unternehmensplanung- und steuerung) eine erh?hte Planungssicherheit.     

Web Services for Negotiation and Bargaining in Electronic Markets: Design Requirements, Proof-of-Concepts, and Potential Applications to e-Procurement

Information Systems researchers continue to develop Web services hoping that, in a near future, these services will be widely offered in the e-marketplace, using a Web-based protocol that is universally adopted for posting, locating and invoking available services. Posting services does not, however, necessarily lead to market transactions, and a number of brokering activities are needed to facilitate trade. These include, but are not limited to, service discovery and ranking, price negotiation and contract preparation. We propose a set of Web services that support the process of negotiation and bargaining to facilitate the matching of supply and demand of Web services. As a market broker, these web services would help (a) discover the supply/demand of web services in e-marketplaces; (b) find the most appropriate available service for a specific request; (c) facilitate services be modified if needed to satisfy user's needs; (d) arbitrate the pricing mechanism with the recourse to bargaining whenever necessary; and (e) generate a contract. As a proof of concept, we illustrate the potential use of Web services for negotiation and bargaining in e-procurement.     

整体分析替代纵深研究:基于整体分析研究方法的企业并购理论综述

人们对于现有的关于企业并购行为的研究理论往往不够认可,这主要是因为其不能形成一个理论体系,来解释为何在并购失败率如此之高的情况下,并购行为仍然经久不息。通过分析现有的研究文献,发现造成这一问题的主要原因在于研究思路狭窄,因循守旧。因而,文章努力克服权威化,力图对现有企业并购理论进行一个综合全面的分析,并极力避免因为过于注重每个细节的纵深研究而因小失大。在研究方法上为企业并购理论的整体综合研究开拓了新的起点。同时将帮助中国的学者熟悉国际上有关并购的研究理论成果并融入他们自己的研究。     

Regulating Transport: Behavioural Changes is the Field

The present paper offers a proposal for a conceptual framework which aims at relating, in a systematic way, the development of macro or meso level environmental policies to the empirical evaluation of such policies at the level of individual actors. For this purpose the macro-micro link model of Coleman is integrated with a general social-psychological actor theory (Ajzen's theory of planned behaviour) and the structural equation modelling approach. The proposed framework is applied and empirically tested in the context of a three-wave panel study intended to evaluate the effects of two transport policy interventions (a drastic price reduction for public transport and the introduction of a new bus route). The results of the longitudinal data analyses provide a detailed picture of the short and long term reactions to the interventions both overall and for specific subgroups.     

Generalized confidence intervals for process capability indices in the one-way random model

The method of generalized confidence intervals is proposed as an alternative method for constructing confidence intervals for process capability indices under the one-way random model for balanced as well as unbalanced data. The generalized lower confidence limits and the coverage probabilities for three commonly used capability indices were studied via simulation, separately for balanced and unbalanced cases. Simulation results showed that the generalized confidence interval procedure is quite satisfactory both in the balanced and unbalanced cases. Examples are provided to illustrate the results.