Publications des institutions partenaires
Computing moments of ratios of quadratic forms in normal variables
The accuracy and speed of numerical methods for computing the moments of a ratio of quadratic forms in normal variables is examined, with particular application to the sample autocorrelation function. Methods based on a saddlepoint approximation are demonstrated to be not only superior to existing approximations, but are numerically reliable and virtually as accurate as the method...
Institution partenaire
English / 01/01/2003
Prediciton of Financial Downside-Risk with Heavy-Tailed Conditional Distributions
Institution partenaire
English / 01/01/2003
On Median Unbiased Inference for First Order Autoregressive Models
Institution partenaire
English / 01/01/2003
Procurement auctions and unit-price contracts
In competitive procurement auctions, bids often have the form of unit-price contracts (UPCs). We show that optimal bidding behavior in UPC auctions is typically non-monotonic, and therefore may lead to inefficient allocations. However, UPC auctions may still be desirable for the buyer when compared to efficient mechanisms such as the first-price auction. In a UPC auction, low types...
Institution partenaire
English / 01/01/2003
A short and intuitive proof of Marshall's rule
When the price of an input factor to a production process increases, then the optimal output level declines and the input is substituted by other factors. Marshall's rule is a formula that determines the own-price elasticity for one factor as a weighted sum of the elasticities of output market demand and factor substitution. This note offers a proof for Marshall's rule that...
Institution partenaire
English / 01/01/2003
Die moderne Universität im Fokus der Wirtschaft
Institution partenaire
Deutsch / 01/01/2003
Asset Trading Volume with Dynamically Complete Markets and Heterogeneous Agents
Institution partenaire
English / 01/01/2003
Überlegungen zu einem allgemeinen Strategiebegriff
Institution partenaire
Deutsch / 01/01/2003
Organizational identity in Luhmann's theory of social systems
Institution partenaire
English / 01/01/2003
The structure and significance of strategic episodes: social systems theory and the routine practices of strategic change
Institution partenaire
English / 01/01/2003
Strategic technology partnering in high-velocity environments: lessons from a case study
Strategic technology alliances have received increased attention in the management literature. However, considerably less weight has been given to the study of this phenomenon in different environments and particularly in high velocity environments. This paper analyzes six cases of strategic technology partnerships in the mobile telephone industry. We investigate how, in high...
Institution partenaire
English / 01/01/2003
Weak and strong ties, individualism-collectivism, and the diffusion of technological knowledge
Despite the importance of gathering technological knowledge from external sources, many firms are not well-placed to collect information from beyond their own boundaries. Government policies designed to improve access to technological knowledge often encourage firms to develop strong ties with competitors, suppliers or customers. But although strong ties are valuable, especially when...
Institution partenaire
English / 01/01/2003
Weak and strong ties, individualism-collectivism, and the diffusion of technological knowledge
Despite the importance of gathering technological knowledge from external sources, many firms are not well-placed to collect information from beyond their own boundaries. Government policies designed to improve access to technological knowledge often encourage firms to develop strong ties with competitors, suppliers or customers. But although strong ties are valuable, especially when...
Institution partenaire
English / 01/01/2003
Cost oder Profit Center?: Eine informationsökonomische Untersuchung der relativen Vorteilhaftigkeit dezentraler Organisationsalternativen
Institution partenaire
Deutsch / 01/01/2003
Cost oder Profit Center?: Eine informationsökonomische Untersuchung der relativen Vorteilhaftigkeit dezentraler Organisationsalternativen
Institution partenaire
Deutsch / 01/01/2003
Combining socio-demographic and logistic factors to explain the generation and collection of waste paper
The aim of this paper is to develop a model predicting the collected amount of waste paper at the regional level of municipalities. Learning about the factors that influence the amount of collected paper is a prerequisite for the evaluation and reorganization of collection systems. We hypothesize that the amount of collected paper depends on both the waste potential and the factors...
Institution partenaire
English / 01/01/2003
DELI: an interactive new product development tool for the analysis and evaluation of market research data
This paper presents DELI, a new interactive tool for supporting new product development decisions. DELI addresses the `chicken and egg` problem in new product development: a product's features shape the way that the market is segmented and targeted, but that very segmentation/targeting itself determines which features the product needs to incorporate. It is very useful,...
Institution partenaire
English / 01/01/2003
Is Strong Reciprocity a Maladaptation? On the Evolutionary Foundations of Human Altruism
In recent years a large number of experimental studies have documented the existence of strong reciprocity among humans. Strong reciprocity means that people willingly repay gifts and punish the violation of cooperation and fairness norms even in anonymous one-shot encounters with genetically experimental evidence suggesting that ultimate evolutionary explanations of strong...
Institution partenaire
English / 01/01/2003
A Nation-Wide Laboratory - Examining trust and trustworthiness by integrating behavioral experimen
"Typically, laboratory experiments suffer from homogeneous subject pools and self-selection biases. The usefulness of survey data is limited by measurement error and by the questionability of their behavioral relevance. Here we present a method integrating interactive experiments and representative surveys thereby overcoming crucial weaknesses of both approaches. One of the...
Institution partenaire
English / 01/01/2003
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