Showing 1 - 10 of 54
This paper characterizes the asymptotic behaviour, as the number of assets gets arbitrarily large, of the portfolio weights for the class of tangency portfolios belonging to the Markowitz paradigm. It is assumed that the joint distribution of asset returns is characterized by a general factor...
Persistent link: https://www.econbiz.de/10005765686
This paper considers a simple model of credit risk and derives the limit distribution of losses under different assumptions regarding the structure of systematic and idiosyncratic risks and the nature of firm heterogeneity. The theoretical results obtained indicate that if firm-specific risk...
Persistent link: https://www.econbiz.de/10005766213
A positive relationship between firm size and product diversification is a long-standing stylized fact. However, so far …
Persistent link: https://www.econbiz.de/10005406151
The ability of companies to turn an environmental constraint into a source of strategic opportunities is a controversial topic in published research. The article, which is based on a comparative study of the CO2 emission reduction strategies implemented by the cement and chemical industries,...
Persistent link: https://www.econbiz.de/10010877636
that the connection between overconfidence and innovation is more complex than the previous literature suggests. In … innovative activity. While overoptimism leads to an innovation enhancing effect, judgmental overconfidence inhibits innovation …. Our results indicate that future research is well advised to take into account that the relationship between innovation …
Persistent link: https://www.econbiz.de/10010877694
We study innovation contests with asymmetric information and identical contestants, where contestants’ efforts and … highest quality and receives the revenue generated by the innovation. We characterize the equilibrium behavior, outcomes and …
Persistent link: https://www.econbiz.de/10010877748
We develop a theory of innovation for entry and sale into oligopoly, and show that inventions of higher quality are …
Persistent link: https://www.econbiz.de/10010877893
destructive part of creative destruction is a social cost and therefore biases our estimate of the impact of the innovation on NNP …
Persistent link: https://www.econbiz.de/10010888453
Substantial elements of innovation have been observable during recent years in rig supply, in particular regarding …
Persistent link: https://www.econbiz.de/10010948889
This paper studies the dynamic relationship between input and output of innovation in Dutch manufacturing using an … unbalanced panel of enterprise data from five waves of the Community Innovation Survey during 1994-2004. We estimate by maximum … persistence of innovation input and innovation output, a lag effect of the former on the latter and a feedback effect of the …
Persistent link: https://www.econbiz.de/10005013049