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Market power and heterogeneous pass-through in German electricity retail

Duso, Tomaso; Szücs, Florian - 2016

We analyze the pass-through of cost changes to retail tariffs in the German electricity market over the 2007 to 2014 period. We find an average pass-through rate of around 60%, which significantly varies with demand factors: while the pass-through rate to baseline tariffs, where firms have...

Persistent link: https://www.econbiz.de/10011553026

Bertrand competition in markets with network effects and switching costs

Suleymanova, Irina (contributor); Wey, Christian (contributor) - 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/10003726117

Mergers in imperfectly segmented markets

Baake, Pio; Wey, Christian - 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/10003874770

The welfare impact of parallel imports : a structural approach applied to the German market for oral anti-diabetics

Duso, Tomaso; Herr, Annika; Suppliet, Moritz - 2014

We investigate the welfare impact of parallel imports using a large panel data set containing monthly information on sales, ex-factory prices, and further product characteristics for all 700 anti-diabetic drugs sold in Germany between 2004 and 2010. We estimate a two-stage nested logit model of...

Persistent link: https://www.econbiz.de/10010339071

Supplier fixed costs and retail market monopolization

Caprice, Stéphane; Schlippenbach, Vanessa von; Wey, … - 2014

Considering a vertical structure with perfectly competitive upstream firms that deliver a homogenous good to a differentiated retail duopoly, we show that upstream fixed costs may help to monopolize the downstream market. We find that downstream prices increase in upstream firms' fixed costs...

Persistent link: https://www.econbiz.de/10010400592

Returns to data : evidence from web tracking

Ullrich, Hannes; Hannane, Jonas; Peukert, Christian; … - 2024

Tracking online user behavior is essential for targeted advertising and is at the heart of the business model of major online platforms. We analyze tracker-specific web browsing data to show how the prediction quality of consumer profiles varies with data size and scope. We find decreasing...

Persistent link: https://www.econbiz.de/10014632288

Unionisation Structures and Firms' Incentives for Productivity Enhancing Investments

Haucap, Justus; Wey, Christian - Royal Economic Society - RES - 2003

This paper examines how unionisation structures that differ in the degree of wage centralisation affect firms' incentives to increase labour productivity. We distinguish three modes of unionisation with increasing degree of centralisation. (1) "Decentralisation" where wages are determined...

Persistent link: https://www.econbiz.de/10005232501

The comparison between ad valorem and unit taxes under monopolistic competition

Schröder, Philipp J. H. - 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/10011437563

How to turn an industry green : taxes versus subsidies

Dröge, Susanne; Schröder, Philipp J. H. - 2003

Environmental policies frequently target the ratio of dirty to green output within the same industry. To achieve such targets the green sector may be subsidised or the dirty sector be taxed. This paper shows that in a monopolistic competition setting the two policy instruments have different...

Persistent link: https://www.econbiz.de/10011438300

A cartel analysis of the German labor institutions and its implications for labor market reforms

Haucap, Justus (contributor); Pauly, Uwe (contributor); … - 2006

In this paper we apply standard cartel theory to identify the major institutional stabilizers of Germany's area tariff … system of collective bargaining between a single industry union and the industry's employers association. Our cartel analysis … stabilize the labor cartel while other pro-competitive proposals have failed. We argue that the pro-competitive recommendations …

Persistent link: https://www.econbiz.de/10003411719