PhD Candidate • Berlin School of Economics • HU Berlin • Germany
Portrait of economist Jia Wei Zhang
Profile

Jia Wei Zhang

Zhāng Jiāwéi
Zoeng1 Gaa1 Wai4

PhD Candidate • BSoE • HU Berlin
Berlin, Germany

Auctions, information economics, market design, and mechanism design.


Updates
  • Aug. 2026 — New draft: “Default Rules and Whistleblowing with Covert Evidence Acquisition”
  • Aug. 2026 — New draft: “Higher Verification Costs Can Support More Disclosure”
  • Aug. 2026 — New draft: "Entry Coordination in Auctions with Entry Costs"
Papers

Research

Entry Coordination in Auctions with Entry Costs

Jia Wei Zhang · Working paper · Revision requested by Games and Economic Behavior.
Private entry recommendations let the seller capture all surplus net of entry costs by randomizing between the efficient entrant count and one more.

When to Hire an Influencer?

Yushan Meng, Jia Wei Zhang · Working paper
A paid influencer is profitable only when effort costs are low and the share of inexperienced consumers is positive but not too large.

Higher Verification Costs Can Support More Disclosure

Jia Wei Zhang · Working paper
Higher verification costs can increase favorable disclosure because harsher inferences from silence induce the sender to verify more often.
About

Short bio

I am a PhD candidate at the Berlin School of Economics (BSoE), Humboldt University of Berlin, supervised by Prof. Roland Strausz and Prof. Sebastian Schweighofer-Kodritsch. My research interests are auctions, information economics, market design, and mechanism design.

In September 2026, I will join Mercator School of Management, University of Duisburg-Essen as a postdoc.