In the early days of nationalization, it seemed axiomatic that price and quality standards could be better managed by State Owned Enterprises (SOE). Subsequent experience, however demonstrates that public ownership and control are different as the challenges of imposing effective public...

Subsahara-Afrika gilt als Musterregion für hohe Wachstumsraten der Mobilfunk-Nutzung. Zwischen 2000 und 2011 haben mehr als 500 Millionen Menschen in der Region Zugang zu Mobilfunknetzen erhalten, schätzt die Internationalen Fernmeldeunion (ITU). Ihr zufolge sind von 2005 bis 2010 die mobilen...

This paper focuses on the problems posed by the uniform price and market cream skimming in a context in which the incumbent is restricted asymmetric prices and products and analyzes the risks of a graveyard spiral process. We point that the price elasticity of demand, the brand loyalty and the...

Econometric models, in the estimation of real estate prices, are a useful and realistic approach for buyers and for local and fiscal authorities. From the classical hedonic models to more data driven procedures, based on Artificial Neural Networks (ANN), many papers have appeared in economic...

Mit der wirtschaftlichen Integration Chinas in die Weltwirtschaft entsteht ein neues Wachstumszentrum, das die globale Konjunktur maßgeblich beeinflussen kann. So könnten starke Produktionszuwächse in China dazu beitragen, eine schwächelnde Konjunktur in den Industrieländern zu stützen. In...

This contribution studies the application of heteroskedasticity robust estimation of Vector-Autoregressive (VAR) models. VAR models have become one of the most applied models for the analysis of multivariate time series. Econometric standard software usually provides parameter estimators that...

I/O models have been widely used to assess the impacts of many changes in an economy. An I/O model is also an important tool to make forecasts and the results from an I/O model are very helpful in many policy-making processes. Many scientific findings in economics have to give credit to the I/O...

This study attempts to examine the price discovery process and volatility spillovers in Gold futures and spot markets of National Commodity Derivatives Exchange (NCDEX) by employing Johansen’s Vector Error Correction Model (VECM) and the Bivariate ECM-EGARCH(1,1) model. The empirical result...

The hypothesis that devaluating and depreciating the exchange rate in developing economies will lead to fast growth and economic development has drawn some controversies and debates during the past 20 years in the area of development economics. Mainly, due to the delayed results in some...

This paper extends previous studies in modeling and estimating energy demand functions for both gasoline and kerosene petroleum products for Nigeria from 1977 to 2008. In contrast to earlier studies on Nigeria and other developing countries, this study specifically tests for the possibility of...