The paper studies the relevance of product heterogeneity for innovation dynamics using an agent-based model. The vantage point is a short a review on the empirical relevance of capability accumulation for innovation processes and an assessment of how these processes are modelled theoretically in...

This special issue provides a collection of 15 papers with modern theories and applications for circular economy, engineering projects, entrepreneurship models, and investor decisions. After the commencing review on Occupational Health and Safety Management-Systems Standards, follow papers which...

It is well-known that stock prices fluctuate far more than dividends. Traditional valuation methods are not able to depict this fact. In this paper we incorporate excess volatility into a simple DCF model by considering an autoregressive cash flows process with random coefficients. We show that...

This paper investigates the dynamics of group decisions regarding risky tax avoidance strategies using a laboratory experiment. To identify the causes of risk taking by groups, we compare individual to group decisions in three scenarios. The first scenario allocates payoffs from group decisions...

Tech giants such as Google and Facebook generate significant amounts of advertising income, which is mainly reported in low-tax countries. This has created a policy discussion of how to re-align the location of value creation and taxation. The success of the business model of these digital...

Market concentration has been suggested as an enhancer of bargaining power imbalances for vertical commercial relationships. However, the empirical literature has not yet explored in which way this market concentration, as a result of -for instance- a M&A operations, could affect the...

It is well-known that group testing is an efficient strategy to screen for the presence of a virus. It consists in pooling n individual samples with a single test using RT-PCR. If at least one individual is infected, the test is positive, and it is negative otherwise. We show how group testing...

[Einführung] Der kommunale Finanzausgleich ist ein vertikaler Ausgleich mit horizontalem Effekt. Die originären Steuerquellen der Gemeinden reichen nicht aus, um ihre Ausgaben zu finanzieren. Der Finanzausgleich dient zunächst einmal dazu, die Finanzkraft der kommunalen Ebene insgesamt so...

This thesis consists of four chapters, all of which are related to credit risk and particularly modeling of default risk. The chapters can be read independently, and the intended audience differs somewhat among them. The first chapter is methodical; the intended audience consists of...