Showing 1 - 10 of 48
Many performance measures, such as the classic Sharpe ratio have difficulty in evaluating the performance of mutual funds with skewed return distributions. Common causes for skewness are the use of options in the portfolio or superior market timing skills of the portfolio manager. In this...
Persistent link: https://www.econbiz.de/10005413128
Data Envelopment Analysis (DEA) is a linear programming based method for evaluating performance of comparable production units such as firms. Although the method is already extensively applied in many areas of economics, its use in environmental economics and related fields remains limited. The...
Persistent link: https://www.econbiz.de/10005556149
The Commitment to Development Index of the Center for Global Development rates 21 rich countries on the “development-friendliness” of their policies. It is revised and updated annually. In the 2004 edition, the component on foreign assistance combines quantitative and qualitative measures of...
Persistent link: https://www.econbiz.de/10005118812
This paper analyzes the effects of public subsidies on R&D expenditure in the German manufacturing sector. The focus is on the question whether public R&D funding stimulates or crowds out private investment. Cross sectional data at the firm level is used. By applying parametric and...
Persistent link: https://www.econbiz.de/10005076604
are taken into account. The paper proposes a theory of innovation and market structure, showing that the relation between … innovation and competition depends on horizontal spillovers, vertical spillovers, and cooperative settings. The private …
Persistent link: https://www.econbiz.de/10005076906
. Uniting Schumpeter's concern for innovation with Keynes' concern for uncertainty and expectations formation, this article … focuses on the behaviour of entrepreneurs confronting uncertainty caused by innovation. Entrepreneurs' behaviour is … opened up by a successful innovation generates a state of optimism in the minds of single entrepreneurs, which eventually …
Persistent link: https://www.econbiz.de/10005077089
Shafer's evidence theory is a branch of the mathematics of uncertain reasoning that allows for novel possibilities to be conceived by a decision-maker. Many of its findings exhibit striking similarities with an alternative decision theory purported by Shackle in the 1950s, before expected...
Persistent link: https://www.econbiz.de/10005125582
The target of this paper is to question the causes of software intellectual property rights violation. To solve this question, the author analyses how has evolved the economic literature of IPR violation showing that the traditional market variables do not fulfill the requirements to explain the...
Persistent link: https://www.econbiz.de/10005126044
What determines the speed of the technology diffusion? What are the consequences of diffusion? This paper presents a model to address these questions. Skilled machine-users adopt a new technology first, while unskilled users wait until machines become more reliable and accessible. The quality...
Persistent link: https://www.econbiz.de/10005126129
This paper proposes a theoretical framework for studying the invention of new products when demand is uncertain. In this framework, under general conditions, the threat of ex post entry by a competitor can deter invention ex ante. Asymmetric market power in the ex post market exacerbates the...
Persistent link: https://www.econbiz.de/10005134408