Plattformen sind mehr als Unternehmen, sie sind die Herrschaftszentren unserer Zeit. Facebook, Google und Amazon ersetzen Marktplätze und öffentlichen Räume, doch sie entscheiden darüber, wer sich dort aufhalten darf und welche Regeln gelten. Von Staaten sind sie kaum zu kontrollieren, sie...

This paper discusses how antitrust law and regulatory rules should be applied to network industries. In assessing the application of antitrust in network industries, we analyze a number of relevant features of network industries and the way in which antitrust law and regulatory rules can affect...

This paper discusses how antitrust law and regulatory rules should be applied to network industries. In assessing the application of antitrust in network industries, we analyze a number of relevant features of network industries and the way in which antitrust law and regulatory rules can affect...

The underlying research project was sponsored by the German Federal Ministry of Education and Research (BMBF) in the funding programme Research for the Reduction of Land Consumption and for Sustainable Land Management (REFINA). REFINA is implemented by the BMBF in cooperation with the Federal...

This paper studies the effectiveness of building height limits as a policy to limit greenhouse gas (GHG) emissions. It shows that building height limits lead to urban sprawl and higher emissions from commuting. On the other hand, aggregate housing consumption may decrease which reduces emissions...

This paper presents an integrated energy balance model of global and urban warming in the attributes/functionings framework à la Gorman-Lancaster-Sen and proposes a Global Warming Function and an Urban Warming Function. Also presented is a concept of Heat Island Integral, which measures the...

In this article, Professor Kaswan argues that hoped-for greenhouse gas reductions cannot be achieved without reducing consumption. Given their control over land use and buildings, cities can play a key role in reducing consumption. She argues that, while existing federal proposals for a...