posted prices. I find that competition among buyers intensifies more in the posted price format than in the auction format …Sellers and buyers have trading alternatives on platforms, which I classify into posted prices and auctions. I shed … light on buyer competition in these two selling formats by employing a model in which sellers and buyers simultaneously and …

We analyse how the market design influences the bidding behaviour in multi-unit auctions, such as wholesale electricity … markets. It is shown that competition improves for increased market transparency and we identify circumstances where the … auctioneer prefers uniform to discriminatory pricing. We note that political risks could significantly worsen competition in …