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Marketing Agencies and Collusive Bidding in Online Ad Auctions

Decarolis, Francesco - 2017

The transition of the advertising market from traditional media to the internet has induced a proliferation of marketing agencies specialized in bidding in the auctions that are used to sell ad space on the web. We analyze how collusive bidding can emerge from bid delegation to a common...

Persistent link: https://www.econbiz.de/10012453751

Using Bid Rotation and Incumbency to Detect Collusion : A Regression Discontinuity Approach

Kawai, Kei; Nakabayashi, Jun; Ortner, Juan M.; … - National Bureau of Economic Research - 2022

Cartels participating in procurement auctions frequently use bid rotation or prioritize incumbents to allocate contracts. However, establishing a link between observed allocation patterns and firm conduct has been difficult: there are cost-based competitive explanations for such patterns. We...

Persistent link: https://www.econbiz.de/10012814400

The Value of Privacy in Cartels : An Analysis of the Inner Workings of a Bidding Ring

Kawai, Kei; Nakabayashi, Jun; Ortner, Juan M. - National Bureau of Economic Research - 2021

We study the inner workings of a bidding cartel focusing on the way in which bidders communicate with one another … regarding how each bidder should bid. We show that the designated winner of the cartel can attain higher payoffs by randomizing … theoretical predictions are borne out in practice by studying a bidding cartel that operated in the town of Kumatori, Japan …

Persistent link: https://www.econbiz.de/10012496092

Screening Adaptive Cartels

Ortner, Juan M.; Chassang, Sylvain; Kawai, Kei; … - National Bureau of Economic Research - 2022

provide evidence that cartel adaptation to regulatory oversight is a real concern …

Persistent link: https://www.econbiz.de/10013334437

Last Minute Bidding and the Rules for Ending Second-Price Auctions : Theory and Evidence from a Natural Experiment on the Internet

Roth, Alvin E. - 2000

have a fixed end time. A natural experiment is available because the auctions on Amazon, while operating under otherwise …

Persistent link: https://www.econbiz.de/10012471021

Choice Screen Auctions

Ostrovsky, Michael - 2020

Choice screen auctions have been recently deployed in 31 European countries, allowing consumers to choose their preferred search engine on Google's Android platform instead of being automatically defaulted to Google's own search engine. I show that a seemingly minor detail in the design of these...

Persistent link: https://www.econbiz.de/10012482310

Experimental Evidence on Semi-structured Bargaining with Private Information

Comola, Margherita; Fafchamps, Marcel - National Bureau of Economic Research - 2021

We conduct a laboratory experiment to study a decentralized market where goods are differentiated and evaluations are …

Persistent link: https://www.econbiz.de/10012629485

Competitive Equilibrium in Markets for Votes

Casella, Alessandra - 2010

We develop a competitive equilibrium theory of a market for votes. Before voting on a binary issue, individuals may buy and sell their votes with each other. We define the concept of Ex Ante Vote-Trading Equilibrium, identify weak sufficient conditions for existence, and construct one such...

Persistent link: https://www.econbiz.de/10012462342

Naturally Occurring Markets and Exogenous Laboratory Experiments : A Case Study of the Winner's Curse

Harrison, Glenn W. - 2007

There has been a dramatic increase in the use of experimental methods in the past two decades. An oft-cited reason for this rise in popularity is that experimental methods provide the necessary control to estimate treatment effects in isolation of other confounding factors. We examine the...

Persistent link: https://www.econbiz.de/10012465582

Rules, Communication and Collusion : Narrative Evidence from the Sugar Institute Case

Genesove, David - 2001

Detailed notes on weekly meetings of the sugar refining cartel show how communication helps firms collude, and so …

Persistent link: https://www.econbiz.de/10012470581

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