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The purpose of this study is to assess model risk with respect to parameter estimation for a simple binary logistic regression model applied as a predictive model. The assessment is done by comparing the effectiveness of eleven different parameter estimation methods. The results from the...
Persistent link: https://www.econbiz.de/10012657559
Good policy requires reliable scientific knowledge, but there are many obstacles. Most econometric estimates lack adequate statistical power; some estimates cannot be replicated; publication selection bias (the selective reporting of results) is common; and there is wide variation in the evidence...
Persistent link: https://www.econbiz.de/10011573709
The KOSPI (Korea Composite Stock Price Index) 200 options are one of the most actively traded derivatives in the world. This paper empirically examines (a) the statistical properties of the Korea's representative implied volatility index (VKOSPI) derived from the KOSPI 200 options and (b) the...
Persistent link: https://www.econbiz.de/10011379844
The research used a long memory or Autoregressive Fractionally Integrated Moving Average model to study and forecast crude oil prices using weekly West Texas Intermediate and Brent series for the period 15/5/1987 to 20/12/2013. Fractional differencing Methods such as Local Whittle Estimator and...
Persistent link: https://www.econbiz.de/10011482618
This paper has two sources: One is my own research in three broad areas: business cycles, economic measurement and social choice. In all of these fields I attempted to apply the basic precepts of the scientific method as it is understood in the natural sciences. I found that my effort at using...
Persistent link: https://www.econbiz.de/10010295300
In this paper, the authors explore a dynamical version of the Aoki and Yoshikawa model (AYM) for an economy driven by demand. They show that when an appropriate Markovian dynamics is taken into account, the AYM has different equilibrium distributions depending on the form of transition...
Persistent link: https://www.econbiz.de/10010298634
Der Autor erörtert einige Lösungsansätze für die Verwendung von Scoring-Modellen in verschiedenen völlig heterogenen Branchen. Die aufgezeigten Beispiele erstrecken sich zum Beispiel auf Entscheidungsvorbereitungen für Wertpapieranlagen und beim Reisendeneinsatz.
Persistent link: https://www.econbiz.de/10010330400
According to Lall (1997), the FDI are strongly interconnected with a series of variables, such as: economic conditions (markets, natural resources, competitiveness), host country policies (macro policies, private sector, trade and industry, FDI policies), as well as MNE strategy (risk...
Persistent link: https://www.econbiz.de/10010289413
In July 2017, Economics: The Open Access, Open Assessment E-Journal issued a call for papers for a special issue on 'The Practice of Replication.' In that call, the journal explained that there was no generally accepted procedure for how to do a replication. Likewise, there was no generally...
Persistent link: https://www.econbiz.de/10011965932
The first step in starting each production is the choice of suppliers. The choice of suppliers is influenced by many factors that differ depending on whether it is the first relationship with suppliers or it is about establishing partnerships with suppliers. Factors influencing selection are...
Persistent link: https://www.econbiz.de/10011985124