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Burguet, Roberto; Iossa, Elisabetta; Spagnolo, Giancarlo - 2021

We study the relationship between collusion and corruption in a stylized model of repeated procurement where the cost … suppliers alleviates free-riding in reporting. However, it also facilitates collusion in bidding by increasing the value of the … collusive rent. In turn, bidding collusion facilitates cooperation in reporting by increasing the value of having honest …

Persistent link: https://www.econbiz.de/10012697250

Endogenous cartel formation : experimental evidence

Fonseca, Miguel A.; Normann, Hans-Theo - 2014

In a Bertrand-oligopoly experiment, firms choose whether or not to engage in cartel-like communication and, if so, they may get fined by a cartel authority. We find that four-firm industries form cartels more often than duopolies because they gain less from a hysteresis effect after cartel...

Persistent link: https://www.econbiz.de/10010401724

Preventing Collusion in Procurement : A Primer

Spagnolo, Giancarlo; Albano, Gian-Luigi; Buccirossi, Paolo - 2006

In softening price competition at the tendering stage, a bidding ring may jeopardize the buyer's effort to award a procurement contract at her most advantageous economic conditions. By exploiting the similarities between oligopolistic and procurement markets, we discuss how structural conditions...

Persistent link: https://www.econbiz.de/10014058810

Human-algorithm interaction : algorithmic pricing in hybrid laboratory markets

Normann, Hans-Theo; Sternberg, Martin - 2022

significantly affect collusion, although humans do seem to perceive algorithms as more disruptive. …

Persistent link: https://www.econbiz.de/10013414764

Hybrid Collusion : Algorithmic Pricing in Human-Computer Laboratory Markets

Normann, Hans-Theo; Sternberg, Martin - 2021

degree of (tacit) collusion when exclusively humans interact to the case of one firm in the market delegating its decisions …)certainty about the actual presence of an algorithm does not significantly affect collusion …

Persistent link: https://www.econbiz.de/10013228135

Division in Lots and Competition in Procurement

Grimm, Veronika; Pacini, Riccardo; Spagnolo, Giancarlo; … - 2006

, and potential collusion in competitive procurement, and propose two simple indices that allow to evaluate how competition …

Persistent link: https://www.econbiz.de/10014058808

Output commitment through product bundling : experimental evidence

Hinloopen, Jeroen; Müller, Wieland; Normann, Hans-Theo - 2013

We analyze the impact of product bundling in experimental markets. One firm has monopoly power in a first market but competes with another firm à la Cournot in a second market. We compare treatments where the multi-product firm (i) always bundles, (ii) never bundles, and (iii) chooses whether...

Persistent link: https://www.econbiz.de/10010204789

Output Commitment Through Product Bundling : Experimental Evidence

Hinloopen, Jeroen - 2019

We analyze the impact of product bundling in experimental markets. One firm has monopoly power in a first market but competes with another firm in a second market. We compare treatments where the multiproduct firm (i) always bundles, (ii) never bundles, and (iii) chooses whether or not to...

Persistent link: https://www.econbiz.de/10012905779

Trust, Leniency and Deterrence

Bigoni, Maria - 2014

This paper presents results from a laboratory experiment on the channels through which different law enforcement strategies deter cartel formation. With leniency policies offering immunity to the first reporting party a high fine is the main determinant of deterrence, having a strong effect even...

Persistent link: https://www.econbiz.de/10013050458

The effects of private damage claims on cartel activity : experimental evidence

Bodnar, Olivia; Fremerey, Melinda; Normann, Hans-Theo; … - 2021

Private damage claims against cartels may have negative effects on leniency: whereas whistleblowers obtain full immunity regarding the public cartel fines, they have no or only restricted protection against private third-party damage claims. This may stabilize cartels. We run an experiment to...

Persistent link: https://www.econbiz.de/10012548186