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A Comparative Study on the Role of Stochastic Trends in U.S. Macroeconomic Fluctuations, 1954-1988
Seymen, Atilim - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2008
The paper attempts to provide an appropriate model specification for identifying technology and other macroeconomic shocks in a structural VAR framework. The investigation is conducted based on two seminal structural VAR studies by Gali (1999) and King et al. (1991). The models of these studies...
Persistent link: https://www.econbiz.de/10005098434
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Knowledge diffusion and knowledge transfer: two sides of the medal
Klarl, Torben - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2009
Understanding the way in which knowledge is technically produced and transferred, and how its diffusion path can be characterized is of fundamental importance for the performance of an economy. Although this fact seems to be plausible ex ante, the relevant literature so far has paid less...
Persistent link: https://www.econbiz.de/10008474667
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Mobile network interconnection and investments
Veith, Tobias - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2009
, investments increase off-net traffic from the investor’s network but also from competitors’ networks. Regulation changes the … functions. Testing for a common regulation-investment effect provides evidence that the negative investment externality is not … due to regulation. …
Persistent link: https://www.econbiz.de/10008500714
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Liberalization of the Postal Service Market in Europe: Entry with Universal Service and Partial Coverage
Beschorner, Patrick Frank Ernst - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2008
In the advent of postal market liberalization in several European countries we expect that the incumbent operators anticipate entry by competitors who are not required to offer universal service, i.e. coverage of the entire country and uniform pricing. The market for postal service exhibits...
Persistent link: https://www.econbiz.de/10005097679
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Entry Deterrence in Postal Service Markets
Beschorner, Patrick Frank Ernst - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2007
market regulation have motivated this quality improvement. In particular we show that this rise in quality is only profitable …
Persistent link: https://www.econbiz.de/10005097892
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European telecommunication regulation: Effects on telecommunication providers
Veith, Tobias - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2010
This paper considers the impact of European telecom regulation on the value of affected companies. Employing a … repeating ARGARCH model, I compare the effect of three types of regulation which are categorized based on the addressed subject …, i.e. cross-market, country-specific and company-specific regulation. While standard event study approaches are a special …
Persistent link: https://www.econbiz.de/10008756427
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Genetic algorithms: a tool for optimization in econometrics - basic concept and an example for empirical applications
Doherr, Thorsten; Czarnitzki, Dirk - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2002
This paper discusses a tool for optimization of econometric models based on genetic algorithms. First, we briefly describe the concept of this optimization technique. Then, we explain the design of a specifically developed algorithm and apply it to a difficult econometric problem, the...
Persistent link: https://www.econbiz.de/10005098332
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The Basic WIOD CGE Model: A computable general equilibrium model based on the World Input-Output Database
Koesler, Simon; Pothen, Frank - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2013
This report presents the Basic WIOD CGE model. The model represents the first implementation of the World Input-Output Database (WIOD) into the CGE framework and is tailored to provide a maximum fit with WIOD data. The model is specifically designed such that it can serve as the basis for...
Persistent link: https://www.econbiz.de/10010956999
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Employment effects of regional climate policy: The case of renewable energy promotion by feed-in tariffs
Heindl, Peter; Voigt, Sebastian - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2012
For the case of the German state of Baden-Wuerttemberg, production and employment effects of the promotion of renewable energy sources are examined based on a regionalized input-output table. Our findings suggest that policy actions promoting renewable energy types do not necessarily create new...
Persistent link: https://www.econbiz.de/10010957650
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What determines local governments' technical efficiency? The case of road maintenance
Kalb, Alexander - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2009
In this paper we investigate the determinants of local governments' technical efficiency in road maintenance for a panel of German counties using a broad variety of estimation approaches. More specifically, we calculate efficiency indices using non-parametric (DEA) and parametric (stochastic...
Persistent link: https://www.econbiz.de/10008533551