Showing 1 - 10 of 99
It is a common understanding that bankruptcy is not a sudden occurrence for any organizations. Macro and micro economic studies have suggested numerous influential factors, which have substantial evidence toward firm's performance (Bekeris, 2012) and survivability (Nehrebecka & Dzik, 2013). With...
Persistent link: https://www.econbiz.de/10012905006
We ask how machine learning can change a crucial step of the scientific process in economics: the advancement of theories through the discovery of "anomalies." Canonical examples of anomalies include the Allais Paradox and the Kahneman-Tversky choice experiments, which are concrete examples of...
Persistent link: https://www.econbiz.de/10014354788
Power index research has been a very active field over the past few decades. Will this continue or have all important questions been solved? We argue that there are still many opportunities to conduct useful research with and on power indices. Positive and normative questions remain, calling for...
Persistent link: https://www.econbiz.de/10013033627
Seasonal influenza outbreaks and pandemics of new strains of the influenza virus affect humans around the globe. However, traditional systems for measuring the spread of flu infections deliver results with one or two weeks delay. Recent research suggests that data on queries made to the search...
Persistent link: https://www.econbiz.de/10014036757
Numerous empirical literatures display conflicting results. This paper examines the conflicting results concerning the rationality of forecasts and expectations. Meta-analysis techniques are used to examine the empirical studies that tested the rationality hypothesis. What did we know, and when...
Persistent link: https://www.econbiz.de/10014102902
We propose two new jump-robust estimators of integrated variance based on highfrequency return observations. These MinRV and MedRV estimators provide an attractive alternative to the prevailing bipower and multipower variation measures. Specifically, the MedRV estimator has better theoretical...
Persistent link: https://www.econbiz.de/10014200896
Stock price prediction is a challenging task, but machine learning methods have recently been used successfully for this purpose. In this paper, we extract over 270 hand-crafted features (factors) inspired by technical and quantitative analysis and tested their validity on short-term mid-price...
Persistent link: https://www.econbiz.de/10014112633
We propose two new jump-robust estimators of integrated variance based on high-frequency return observations. These MinRV and MedRV estimators provide an attractive alternative to the prevailing bipower and multipower variation measures. Specifically, the MedRV estimator has better theoretical...
Persistent link: https://www.econbiz.de/10013139571
The game of cricket got a new dimension, when the Indian Premier League (IPL), a competition of twenty over-a-side featuring eight teams named after various Indian cities/states started in 2008. The teams were franchisee driven and the players were selected via competitive bidding from a pool of...
Persistent link: https://www.econbiz.de/10013142450
We propose to construct factor models based on disaggregate survey data to forecast national aggregate macroeconomic variables. We apply our methodology to Norges Bank's regional survey, which allows to construct regional and sectoral factor models, and to the Swedish Business Tendency survey,...
Persistent link: https://www.econbiz.de/10013109339