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Baake, Pio; Huck, Steffen - DIW Berlin (Deutsches Institut für Wirtschaftsforschung) - 2013

on both the supply and demand side. Crops are stochastic and exporting countries can impose export tariffs to protect … domestic food prices. Our first results is that export tariffs are strategic complements and that for poor harvests equilibrium …We analyse a stylized model of the world grain market characterized by a small oligopoly of traders with market power …

Persistent link: https://www.econbiz.de/10010896190

The Incentives for Takeover in Oligopoly

Inderst, Roman; Wey, Christian - DIW Berlin (Deutsches Institut für Wirtschaftsforschung) - 2004

We present a model of takeover where the target optimally sets its reserve price. Under relatively standard symmetry restrictions, we obtain a unique equilibrium. The probability of takeover is only a function of the number of .rms and of the insiders. share of total industry gains due to the...

Persistent link: https://www.econbiz.de/10004963874

The Effect of Market Power on Electricity Storage Utilization: The Case of Pumped Hydro Storage in Germany

Schill, Wolf-Peter; Kemfert, Claudia - DIW Berlin (Deutsches Institut für Wirtschaftsforschung) - 2009

In this paper, we develop the game-theoretic electricity market model ElStorM that includes the possibility of strategic electricity storage. We apply the model to the German electricity market and analyze different realistic and counterfactual cases of strategic and non-strategic pumped hydro...

Persistent link: https://www.econbiz.de/10008541303

Mergers in Imperfectly Segmented Markets

Baake, Pio; Wey, Christian - DIW Berlin (Deutsches Institut für Wirtschaftsforschung) - 2009

We present a model with firms selling (homogeneous) products in two imperfectly segmented markets (a "high-demand" and a "low-demand" market). Buyers are mobile but restricted by transportation costs, so that imperfect arbitrage occurs when prices differ in both markets. We show that equilibria...

Persistent link: https://www.econbiz.de/10005026827

Cartel Stability and Economic Integration

Schröder, Philipp J. H. - DIW Berlin (Deutsches Institut für Wirtschaftsforschung) - 2004

This paper investigates the effect of economic integration on the ability of firms to maintain a collusive understanding about staying out of each other's markets. The paper distinguishes among different types of trade costs: ad valorem, unit, fixed. It is shown that for a sufficient reduction...

Persistent link: https://www.econbiz.de/10004963936

Declining Output Volatility in Germany: Impulses, Propagation, and the Role of Monetary Policy

Fritsche, Ulrich; Kuzin, Vladimir - DIW Berlin (Deutsches Institut für Wirtschaftsforschung) - 2004

Persistent link: https://www.econbiz.de/10005068976

The Dynamics of Global Crude Oil Production

Zaklan, Aleksandar; Zachmann, Georg; Neumann, Anne - DIW Berlin (Deutsches Institut für Wirtschaftsforschung) - 2010

We analyze the dynamic effect of prices and price volatility on current oil production, both on the level of country groups and the major individual producer countries. A comprehensive dataset at monthly frequency allows us to include a rich lag structure while controlling for key global and...

Persistent link: https://www.econbiz.de/10008693468

The Comparison between Ad Valorem and Unit Taxes under Monopolistic Competition

Schröder, Philipp J. H. - DIW Berlin (Deutsches Institut für Wirtschaftsforschung) - 2003

This paper shows that the welfare dominance of ad valorem over unit taxes under imperfect competition, extends to the Dixit-Stiglitz framework with differentiated products, entry and love of variety. This contrasts against findings by Anderson et al. (J Public Econ, 2001) made in a similar...

Persistent link: https://www.econbiz.de/10004963604

On the (Mis-) Alignment of Consumer and Social Welfare in Markets with Network Effects

Suleymanova, Irina; Wey, Christian - DIW Berlin (Deutsches Institut für Wirtschaftsforschung) - 2008

We analyze duopoly Bertrand competition under network effects. We consider both incompatible and compatible products. Our main result is that network effects create a fundamental conflict between the maximization of social welfare and consumer surplus whenever products are incompatible. While...

Persistent link: https://www.econbiz.de/10004963733

Bertrand Competition in Markets with Network Effects and Switching Costs

Suleymanova, Irina; Wey, Christian - DIW Berlin (Deutsches Institut für Wirtschaftsforschung) - 2008

We analyze market dynamics under Bertrand duopoly competition in industries with network effects and consumer switching costs. Consumers form installed bases, repeatedly buy the products, and differ with respect to their switching costs. Depending on the ratio of switching costs to network...

Persistent link: https://www.econbiz.de/10004963747