Revenue monotonicity in combinatorial auctions
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Bibliographic record
Abstract
In recent work [Rastegari et al. 2007a; 2007b] we study revenue properties of combinatorial auctions. Consider a well-known drawback of the famous VCG mechanism: a seller’s revenue can go down when bidders are added to an auction, contrary to the intuition that having more bidders should increase competition. Following an example due to Ausubel and Milgrom [2006], consider an auction with three bidders and two goods for sale. Suppose that bidder 2 wants both goods for the price of $2 billion whereas bidder 1 and bidder 3 are willing to pay $2 billion for the first and the second good respectively (see Figure 1). The VCG mechanism awards the goods to bidders 1 and 3 for the price of zero, yielding the seller zero revenue. However, in the absence of either bidder 1 or bidder 3, the revenue of the auction would be $2 billion.<br/><br/>We say that an auction mechanism is revenue monotonic if the seller’s revenue is …
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Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.003 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.001 |
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Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
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