Showing 1 - 10 of 39
This article suggests that it is timely to revitalise studies in the tradition of the political economy of media and communications in order to develop a critical and comprehensive analysis of the social and economic dynamics of the production and consumption of new media. Specifically, a...
Persistent link: https://www.econbiz.de/10010928646
This paper argues that Knowledge Management Technology (KMT) is socially constructed in use based on the affordances and constraints of the technology artefact. Since many Knowledge Management (KM) systems are introduced with vague purposes (such as to improve knowledge sharing) it is therefore...
Persistent link: https://www.econbiz.de/10010744965
This paper focuses on IT-enabled credit risk modernisation in commercial retail banking. The empirical material is based upon a longitudinal case study conducted during 1993–1996 using an interpretive approach. It documents the introduction of a leading-edge computer-based decision support...
Persistent link: https://www.econbiz.de/10010745039
In this paper we introduce concepts that build a theoretical notion of reputation risk and establish the need to extend our approach to managing such risk.. The existing literature on reputation risk has tended to be reactive and focus on immediate business threats rather than trying to...
Persistent link: https://www.econbiz.de/10010746546
volatility into these four sources, quantify their contribution to aggregate volatility, and study how they relate to the stage …, and slowly increases at later stages of development. Third, the volatility of country-specific macroeconomic shocks falls … with the level of development. We argue that many theories linking volatility and development are not consistent with these …
Persistent link: https://www.econbiz.de/10010884605
GARCH models are commonly used as latent processes in econometrics, financial economics and macroeconomics. Yet no exact likelihood analysis of these models has been provided so far. In this paper we outline the issues and suggest a Markov chain Monte Carlo algorithm which allows the calculation...
Persistent link: https://www.econbiz.de/10010884643
We investigate a new separable nonparametric model for time series, which includes many ARCH models and AR models already discussed in the literature. We also propose a new estimation procedure based on a localization of the econometric method of instrumental variables. Our method has...
Persistent link: https://www.econbiz.de/10010884733
lower the volatility of output growth. Technological complexity evolves endogenously in response to profit incentives. The … decline in volatility thus arises as a by-product of firms’ incentives to increase profits and is hence a likely outcome of … that for reasonable parameter values, the model can generate a decline in volatility with the level of development …
Persistent link: https://www.econbiz.de/10010928680
Markets reacted strongly to the World Trade Center attacks both in Europe and in the United States. The extent of this crisis was difficult to assess at the time, underlining the need for a specific tool to measure the magnitude of financial crises. A first measure was recently proposed and...
Persistent link: https://www.econbiz.de/10010744901
This paper estimates the implied stochastic process of the volatility of the Swiss market index (SMI) from the prices … option pricing model of Duan (1991), the implied volatility process is estimated by a simulation minimization method from … option price data. We find the persistence of volatility shocks implied by options on the SMI to be very close to that …
Persistent link: https://www.econbiz.de/10010746119