This article presents multi-output, multi-input total factor productivity (TFP) growth rates in agriculture for 88 countries over the 1970–2001 period, estimated with both stochastic frontier analysis (SFA) and the more commonly employed data envelopment analysis (DEA). We find results with...

The emergence of the Internet has led to an explosion of web applications. The World Wide Web (www) has a huge and permanent influence on our lives. Economy, industry, education, health, public administration are components of our lives that have not been penetrated by the World Wide Web. The...

The stylized fact of time-varying volatility in financial series is commonly accepted amongst scholars as well as practitioners. The GARCH model has been exceptionally successful in this area. Our approach, the minimally cross-entropic conditional density (MCECD) model, is a generalization of...

Motivated by the problem of setting prediction intervals in time series analysis, we suggest two new methods for conditional distribution estimation. The first method is based on locally fitting a logistic model and is in the spirit of recent work on locally parametric techniques in density...

In this thesis we study three basic issues related to international black tea markets: Are black tea markets integrated? Where is the price of black tea discovered? Are there leaders and followers in black tea markets? We use two statistical techniques as engines of analysis. First, we use time...

This paper uncovers the relationship between stock markets and exchange ratesin seven countries by employing stable aggregate currency (SAC) for the period of 1973-2004. Ordinary Least Squares (OLS) regression, time series methods, and directedacyclic graphs are applied to the daily data on...

Es wird das Software Framework JStatCom vorgestellt, welches die Enwicklung von leistungsfähigen grafischen Benutzerschnittstellen für Daten-basierte Analysemethoden wesentlich vereinfacht, wobei der Schwerpunkt auf Methoden der Ökonometrie, insbesondere der Zeitreihenanalyse liegt. Das...

The law of the tendential fall in the rate of profit has been at the center of theoretical and empirical debates within Marxian political economy ever since the publication of Volume III of Capital. An important limitation of this literature is the absence of a comprehensive econometric analysis...

The study seeks to re-investigate the role of price, income and health awareness in the evolution of South African cigarette demand over the period 1996 to 2006. At first glance, rising cigarette prices appear to have played an important role in reducing cigarette consumption over the sample...