The following paper is a theoretical introduction of the misinformation effect to behavioural finance. The misinformation effect causes a memory report regarding an event or particular knowledge to become contaminated with misleading information from another source. The paper aims to describe...

This paper focuses on the systems-of-innovation (SI) approach and its policy implications. It introduces the topic by briefly reviewing the emergence, development, and diffusion of this approach and, then, spells out the constituents, activities, and boundaries of the SI approach. On this basis,...

We present a model in which investors observe the same macroeconomic data but have varying levels of information about the parameters that determine the distribution of the expected returns on investment. During a crisis that increases macroeconomic uncertainty and reduces asset prices, the...

We examine the timing and quality of product introduction in an R&D stopping game, where we allow for horizontal and vertical differentiation in the product market. We observe that discontinuous changes in introduction dates can occur as firms' abilities as researchers change. Further, when the...

In this paper we study the welfare effect of a monopoly innovation. Unlike many partial equilibrium models carried out in previous studies, general equilibrium models are constructed and analyzed in greater detail. We discover that technical innovation carried out by a monopolist could...

Die Konjunktur- und Wachstumsanalyse sowie die geldpolitischen Empfehlungen stützen sich unter anderem auf die Schätzung des Produktionspotenzials und der Produktionslücke. Welche Schätzverfahren werden genutzt? Wo liegen die Vor- und Nachteile der einzelnen Methoden?

Lange Zeit wurde der technische Fortschritt als mitverantwortlich für die ansteigende Arbeitslosigkeit angesehen. Mittlerweile hat sich eine andere Sichtweise durchgesetzt. Wie wurde früher „technologische Arbeitslosigkeit“ erklärt? Welcher Innovationsbegriff lag den entsprechenden...

This paper surveys the link between imperfect competition and the effects of fiscal policy on output, employment and welfare. We examine static and dynamic models, with and without entry under a variety of assumptions using a common analytical framework. We find that in general there is a robust...

The recent financial crises pointed out the central role of public and private debt in modern economies. However, even if debt is a recurring topic in discussions about the current economic situation, economic modeling does not take into account debt as one of the crucial determinants of...

We analyze how a manufacturer with a brand-name drug close to patent expiration decides to launch a product-line extension (an upgrade through innovation) before it faces generic competition. There are two types of physicians: loyal physicians always prescribe first the product-line extension...