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Estimating covariance matrices is an important part of portfolio selection, risk management, and asset pricing. This paper reviews the recent development in estimating high dimensional covariance matrices, where the number of variables can be greater than the number of observations. The...
Persistent link: https://www.econbiz.de/10009322490
Estimating covariance matrices is an important part of portfolio selection, risk management, and asset pricing. This paper reviews the recent development in estimating high dimensional covariance matrices, where the number of variables can be greater than the number of observations. The...
Persistent link: https://www.econbiz.de/10009278162
This article documents and examines the integration of markets across the early modern/late modern divide, exploiting the largest dataset compiled to date on grain prices, spanning one hundred European cities evenly spread across land-locked and low-land areas. Using those series, it studies...
Persistent link: https://www.econbiz.de/10011042830
The Ease of Doing Business Index is widely used by multinationals in their investment location decisions. Factor analysis and Chronbach’s alpha show its limited consistency and descriptive power of the business environment.
Persistent link: https://www.econbiz.de/10010580464
The authors analyze 149 newly compiled monthly time series on financial market stress conditions in the euro area. With the aid of a factor model they find different sources of financial stress which are important for selecting and preparing the appropriate policy response. The existence of a...
Persistent link: https://www.econbiz.de/10011478512
The current study attempts to construct a valid and applicable job satisfaction scale for measuring the contentment level of hospital staff in Taiwan. The job description inventory (JDI) and Job Satisfaction Index (JSI) were adopted as the foundation of the job satisfaction measure for hospital...
Persistent link: https://www.econbiz.de/10011449563
Persistent link: https://www.econbiz.de/10011452923
High dimensional composite index makes experts' preferences in setting weights a hard task. In the literature, one of the approaches to derive weights from a data set is Principal Component or Factor Analysis that, although conceptually different, they are similar in results when FA is based on...
Persistent link: https://www.econbiz.de/10011999119
In this paper, we propose a method for jointly estimating indexes of economic and financial conditions by exploiting the intertemporal link between their cyclical behavior. This method combines a dynamic factor model for the joint modeling of economic and financial variables with mixed...
Persistent link: https://www.econbiz.de/10011999163
Which type of work do Italians perform? In this contribution we aim at detecting the anatomy of the Italian occupational structure by taking stock of a micro-level dataset registering the task content, the execution of procedures, the knowledge embedded in the work itself, called ICP (Indagine...
Persistent link: https://www.econbiz.de/10012123459