A mixed model of regression with error components is proposed as one of possible interest for combining cross section and time series data. For known variances, it is shown that Aitken estimators and covariance estimators are in one sense asymptotically equivalent, even though the Aitken...

Insolvency predicator should be read in conjunction with Net Worth of the company & then ascertain potential loss on investment, however liquidation does not took place, just because of inability to pay off debts or other liabilities in short while and not just on the will of lender or creditors...

In explaining economic phenomena, economic analysis concentrates on selected influences and fixes the host of other factors under a ceteris paribus clause. This view, which goes back to Alfred Marshall (1842-1924), is developed in the first part of the book. Aggregation is viewed as a particular...

Life annuities provide a guaranteed income for the remainder of the recipient’s lifetime, and therefore, annuitization presents an important option when choosing an adequate investment strategy for the retirement ages. While there are numerous research articles studying annuities from a...

Even 50 years after Modigliani/Miller’s irrelevance theorem, the basic question of how firms choose their capital structure remains unclear. This survey paper aims at summarizing and discussing corresponding recent developments in empirical capital structure research, which, in our view, are...

In 2003, Swiss Re introduced a mortality-based security designed to hedge excessive mortality changes for its life book of business. The concern was apparently brevity risk, i.e., the risk of premature death. The brevity risk due to a pandemic is similar to the property risk associated with...

New approaches in health care, such as e.g. Integrated Delivery Systems, affect the role and tasks of medical suppliers. More and more, medical suppliers are incorporated into the process of guiding patients to medical specialists and hospitals and thus managing the course of disease. In this...

The aim of this paper is to explain consulting failure from a systems-theoretical perspective and to provide a new framework for analysing consultant–client relationships. By drawing on Luhmann’s systems theory, clients and consultants are conceptualised as two autopoietic communication...

This paper analyses a model of vertical product differentiation with one incumbent and one entrant firm. It is shown that if firms can produce only one quality level welfare in this entry game can be lower than in monopoly. This is the case if qualities are strategic complements because the...

The relationship between trust and risk is a topic of enduring interest. Although there are substantial differences between the ideas the terms express, many researchers from different disciplines have pointed out that these two concepts become very closely related in personal exchange contexts....