Download Internet and Network Economics: 7th International Workshop, by Maria-Florina Balcan, Florin Constantin, Steven Ehrlich PDF

By Maria-Florina Balcan, Florin Constantin, Steven Ehrlich (auth.), Ning Chen, Edith Elkind, Elias Koutsoupias (eds.)

This ebook constitutes the refereed lawsuits of the seventh overseas Workshop on net and community Economics, WINE 2011, held in Singapore, in December 2011.
The 31 revised complete papers and five revised brief papers awarded including the abstracts of three papers approximately paintings in growth have been rigorously reviewed and chosen from a hundred submissions.
The papers are orginzed in topical sections on algorithmic video game thought, algorithmic mechanism layout, computational advertisements, computational social selection, convergence and studying in video games, economics facets of safeguard and privateness, info and a spotlight economics, community video games and social networks.

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Additional resources for Internet and Network Economics: 7th International Workshop, WINE 2011, Singapore, December 11-14, 2011. Proceedings

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Since the X(θ, p) values 3 Clearly, in O(|Θ|) time we can iterate over all possible resource types. Approximation Algorithm for Security Games with Costly Resources 23 constitute a feasible solution to IP (9), we have that r∈R s: t∈T (s) η(pr , s) ≥ λt . Recall that η(pr , s) = pr (s) |S|2 and λt = e × qt × |S|2 ≥ eqt |S|2 . For all r ∈ R, define φr (t) = s: t∈T (s) pr (s). Therefore, we get φr (t) = r∈R pr (s) ≥ eqt (14) r∈R s: t∈T (s) The probability that resource r does not defend target t is given by the expression 1 − s: t∈T (s) pr (s) = 1 − φr (t).

The price of the cheap (resp. expensive) item is set at p1 (resp. p2 ). Naturally, the price of the cheap On Allocations with Negative Externalities 29 item should be less than that of the expensive one, that is, p1 ≤ p2 . The pricing is uniform in the sense that the same item is offered at the same price to all the nodes. Say that a node is black (resp. white) if she buys the cheap (resp. expensive) item, while paying an amount p1 (resp. p2 ). Definition 1. The externality Ext(i) of node i is the total weight of the edges it shares with black nodes.

If a buyer buys the cheaper item, then she gets its intrinsic valuation; else if she buys the more expensive item, she gets the sum of its intrinsic and extrinsic valuations. The whole process can be viewed as a strategic game occurring in two rounds: The seller commits to the two prices in advance, and then each buyer simultaneously decides which item to purchase. , one that raises minimum revenue? This gives a guarantee on the revenue the seller raises regardless of the behavior of the buyers; a risk-averse seller will choose prices at which this revenue is as large as possible.

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