Parisian types of ruin probabilities for a class of dependent risk-reserve processes

For a rather general class of risk-reserve processes, we provide an exact method for calculating different kinds of ruin probabilities, with particular emphasis on variations over Parisian type of ruin. The risk-reserve processes under consideration have, in general, dependent phase-type distributed claim sizes and inter-arrivals times, whereas the movement between claims can either be linear or follow a Brownian motion with linear drift. For such processes, we provide explicit formulae for classical, Parisian and cumulative Parisian types of ruin (for both finite and infinite time horizons) when the clocks are phase-type distributed. An erlangization scheme provides an efficient algorithmic methods for calculating the aforementioned ruin probabilities with deterministic clocks. Special attention is drawn to the construction of specific dependency structures, and we provide a number of numerical examples to study its effect on probabilities.     

Fairness is intuitive

In this paper we provide new evidence showing that fair behavior is intuitive to most people. We find a strong association between a short response time and fair behavior in the dictator game. This association is robust to controls that take account of the fact that response time might be affected by the decision-maker’s cognitive ability and swiftness. The experiment was conducted with a large and heterogeneous sample recruited from the general population in Denmark. We find a striking similarity in the association between response time and fair behavior across groups in the society, which suggests that the predisposition to act fairly is a general human trait.     

Socioeconomic differences in public acceptability and car use adaptation towards urban road pricing

Urban road pricing is regarded as an effective instrument to reduce traffic congestion and environmental-related problems in metropolitan areas. Whereas the overall impact of urban road pricing on car use adaptation and public acceptability is known, there are only inconsistent results concerning the socioeconomic differences in the response towards road pricing. However, this knowledge is necessary for the development of urban road pricing packages. This paper uses a segmentation approach to identify groups of car users with a similar background in relevant socioeconomic variables and compares their responses towards road pricing. Three groups are identified: young families, suburban families, and singles and couples. These groups indeed differ in their car use adaptation towards urban road pricing as well as in their preferred revenues use. While all three groups significantly reduced their private car use, the young families reduced their car use most, followed by the group of singles and couples. Complementary measures are discussed that are believed to facilitate car use adaptation of each group in response towards urban road pricing.     

Low power,high ambitions: New ventures developing their first supply chains

This paper investigates sourcing decisions for new ventures. Sourcing decisions are especially problematic for start-ups because they lack resources, knowledge and legitimacy to evaluate and interact with suppliers. We develop and apply a framework that connects global sourcing, relationship development and attractiveness. Further, we investigate how new ventures develop their first supply chains by conducting an exploratory multiple case study of six Norwegian start-ups. Based on our findings, we develop three propositions regarding how start-ups mediate their lack of attractiveness through pre-sales and by choosing shorter supply chains and smaller suppliers. The implications for practice include emphasizing the importance of developing a business relationship with the supplier in parallel with making sourcing decisions. This study is a novel contribution to an underexplored topic, and we conclude by proposing a research agenda for future explorations of start-ups and supply chain development.     

Recruiting outside board members in the small family business: an ideological challenge

The focus of this paper is to explore how contrasting ideologies influence the selection process of outside directors in the small family business. Small family businesses donot just represent smallscale economic activity but they are the outcome of entrepreneurial ambition and family involvement. This means that willpower and emotional commitment blend with calculative considerations. As emotional as well as cognitive constructs the family, management and entrepreneurship each represent an ideology: paternalism, managerialism and entrepreneurialism. The proposed ideological framework is positioned against alternative approaches to the study of board selection processes. Two sets of data are presented. A piloting survey of 12 family businesses is used to substantiate the theoretical assumption that entrepreneurial firms avoid having outside directors and managerial firms welcome outside directors, leaving paternalistically-run family businesses ambivalent. Repeated in-depth interviews in two family businesses, one founder-managed and entrepreneurial, the other established and traditional, reveal how the professionalization of the board enforces managerialism, challenging thus far dominating ideologies, entrepreneurialism and paternalism. The outcome of this ideological contest, if properly orchestrated, is an energized and more competitive family business.     

Environmental concern and environmental behaviour among the Norwegian public

Current studies indicate that the most accurate predictor of actual buying behaviour is consumer attitudes (Glendon and McKenna, Human Safety and Risk Management , London: Chapman and Hall, 1995). This study seeks to investigate questions relating to the extent to which attitudes on safety and risk issues are critical to safety-related behaviour. The dispositional view of human behaviour implies behavioural consistency across different behaviours performed in different situations, as long as the behaviours are instances of the same underlying disposition. The present study tests this hypothesis in relation to health and environmental behaviour. Both direct and indirect effects are investigated. An additional aim was to test for gender differences as well as differences due to age and educational level. The results are based on survey data of a representative sample of the Norwegian population given self-completion questionnaires during the period 1997-98. A total of 1450 respondents replied to the questionnaire. Health attitudes and the Health Value Scale correlated strongly with health behaviour and environmental concern with environmental behaviour. Attitude towards illness prevention was important for both behavioural dimensions. Health behaviour influenced environmental behaviour in an indirect way, through health attitudes. The results imply that it can be useful to study dispositional concepts. When appropriately applied, they yield useful information. It is important to focus on specific attitudes and related specific behaviours in order to change behavioural practices. In addition, it seems possible to change environmental and consumer behaviour through changing health     

The EU public procurement regime— Does it work?

Has the Single Market for public procurement had the expected effects after six years in progress? The following article attempts to answer this question by first presenting alternative theoretical approaches to analysing the EU liberalisation of the public procurement market and then confronting these with the result of an empirical analysis.     

Whistle-Blowing Methods for Navigating Within and Helping Reform Regulatory Institutions

There are at least four important, institutional obstacles to whistle-blowing to regulatory institutions. First, regulatory institutions are often systematically understaffed and do not have the resources needed to adequately process whistle-blowing cases. Second, regulators who process whistle-blowing cases are often systematically inexperienced and do not understand the strategic importance of whistle-blowing cases. Third, regulators are often under systemic pressure from the politicians who appoint them to ignore whistle-blowing cases relevant to their sources of financial and/or ideological political support. Fourth, there are high systemic risks to whistle-blowers who blow the whistle to regulatory institutions. Nonetheless, understanding how the institutions and obstacles operate can help us understand what types of whistle-blowing methods can be used to navigate around the obstacles and within the regulatory institutions. In addition, sometimes whistle-blowing methods can help reform regulatory institutions.     

Finite sample accuracy and choice of sampling frequency in integrated volatility estimation

We consider the properties of three estimation methods for integrated volatility, i.e. realized volatility, Fourier, and wavelet estimation, when a typical sample of high-frequency data is observed. We employ several different generating mechanisms for the instantaneous volatility process, e.g. Ornstein–Uhlenbeck, long memory, and jump processes. The possibility of market microstructure contamination is also entertained using models with bid-ask bounce and price discreteness, in which case alternative estimators with theoretical justification under market microstructure noise are also examined. The estimation methods are compared in a simulation study which reveals a general robustness towards persistence or jumps in the latent stochastic volatility process. However, bid-ask bounce effects render realized volatility and especially the wavelet estimator less useful in practice, whereas the Fourier method remains useful and is superior to the other two estimators in that case. More strikingly, even compared to bias correction methods for microstructure noise, the Fourier method is superior with respect to RMSE while having only slightly higher bias. A brief empirical illustration with high-frequency GE data is also included.