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The dual of Bertrand with homogenous products is Cournot with perfect complements
The quantity-setting (Cournot) oligopoly with perfect complements is dual to the price-setting (Betrand) oligopoly with homogeneous goods. Under mild...
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Untere Einkommensgruppen noch gezielter entlasten
Prices for energy and food are currently rising extraordinarily sharply. Households with low net incomes in particular are being burdened by the...
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Beyond tax-survey combination: inequality and the blurry household-firm border
Inequality evidence based on surveys, tax records, or their combination often result in divergent trends, fueling the distributional debate in Latin...
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The core of school choice problems
We propose a notion of core for school choice (i.e., priority-based allocation) problems. We say that a coalition of students is able to enforce a...
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Die Wirkung von GRW-Investitionszuschüssen — ein Beitrag zum Aufholprozess?
The joint task force ‘Improving Regional Economic Structures’ (GRW) is the most important regional policy scheme in Germany and was extensively used...
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Achieving the maximum size for exchange problems with dichotomous preferences
We consider an exchange problem with dichotomous preferences, and agents endowed with acceptable (unacceptable) objects can exchange their endowments...
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Corporate self-regulation of imperfect competition
We consider Cournot competition in general equilibrium. Decisions in firms are taken by majority voting. Naturally, interests of voters—shareholders...
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Network effects on information acquisition by DeGroot updaters
In today’s world, social networks have a significant impact on information processes, sha** individuals’ beliefs and influencing their decisions....
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Frohe ökonomische Botschaften zu Weihnachten
The Christmas economics has addressed the potential welfare loss due to the purchase of Christmas gifts. This occurs when the subjective value of the...
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Competition, Technological Change and Productivity Gains: A Sectoral Analysis
The empirical relationship between competition intensity and the rate of productivity growth across 30 sectors of the French economy between 1978 and...
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Static and dynamic inefficiencies in an optimizing model of epidemics
Several externalities arise when agents shield optimally to avoid infection during an epidemic. We classify externalities into static and dynamic and...
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When does an additional stage improve welfare in centralized assignment?
We study multistage centralized assignment systems to allocate scarce resources based on priorities in the context of school choice. We characterize...
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Vietnam, Land of Opportunity
Vietnam has overcome internal and external difficulties in the twentieth century to create a very inviting business environment as testified both by...
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\(\lambda \) envy-free pricing for impure public good
In this paper, we examine the provision and pricing of an excludable public good with congestion under lump-sum tax/transfer, constrained by the...
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The Potential Compensation Principle and Constant Marginal Utility of Income
In policy applications, industrial economists are wont to invoke the Kaldor—Hicks potential compensation principle to justify the use of deadweight...
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Complementarity and information in collective action
We study how accuracy and commonality of information affect the incentives of agents who voluntarily participate in collective action. Our focus is...
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Europäische Fußball-Superliga aus sportökonomischer Sicht
There are increasing media reports concerning a planned Superliga in European football. This paper analyses the debate from an economic point of...
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Monte Carlo sampling processes and incentive compatible allocations in large economies
Monte Carlo simulation is used in Hammond and Sun (Econ Theory 36:303–325, 2008. https://doi.org/10.1007/s00199-007-0279-7 ) to characterize a...
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Optimal Deterministic Mechanism Design: Type-Independent Preference Orderings
We investigate revenue maximisation in general allocation problems with incomplete information, where we assume quasi-linearity, private values,...