Geographic Market Definition under the U. S. Department of Justice Merger Guidelines

Scheffman, David T.; Spiller, Pablo T.

doi:10.1086/467132

Cited by 130 publications

(49 citation statements)

References 13 publications

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“…47 Actually, the guidelines only use the Bertrand assumption to assess the profitable price rise after the hypothetical merger or cartelization. 48 This basic method is due to Scheffman and Spiller (1987). They, however, propose using estimates of residual demand.…”

Section: Discussionmentioning

confidence: 99%

“…A market is the smallest group of competing firms such that they could, acting in coordination (the guidelines say a "hypothetical monopolist"), raise their prices by more than 5% profitably 41 for at least one year (DOJ and FTC, 1997). This market definition may, in principle, be implemented by an analyst in possession of the full demand system faced by the relevant universe of hospitals (Scheffman and Spiller, 1987; see also Froeb and Werden, 1992). 42 Many methods for market definition have been proposed.…”

Section: Background and Issuesmentioning

confidence: 99%

See 1 more Smart Citation

Antitrust and Competition in Health Care Markets

Gaynor¹,

Vogt²

1999

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Section: Discussionmentioning

confidence: 99%

Section: Background and Issuesmentioning

confidence: 99%

Antitrust and Competition in Health Care Markets

Gaynor¹,

Vogt²

1999

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“…The Elzinga−Hogarty method is considered as the most important among those defining the market limits, which analyse the flows of goods (Crane and Welch, 1991;Hay, Hilke and Nelson, 1988;Scheffman and Spiller, 1987). According to Crane and Welch, only such an approach can give reliable results on market limits (1991).…”

Section: Methodsmentioning

confidence: 99%

Określanie Zasięgu Geograficznego Rynku Cukru Z Wykorzystaniem Metody Elzinga−hogarty

Pietrzak¹,

Roman²,

Mucha³

2016

Zagadnienia Ekonomiki Rolnej

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“…Some examples include, e.g., [17]- [21], and [22]. Interested readers can refer to [23], which proposes a functional measure that unifies the structural indices measuring market power on a transmission constrained network in the previous work.…”

Section: B Related Workmentioning

confidence: 99%

Opportunities for Price Manipulation by Aggregators in Electricity Markets

Azizan

Chen

Dvijotham

et al. 2016

SIGMETRICS Perform. Eval. Rev.

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Abstract-Aggregators are playing an increasingly crucial role in the integration of renewable generation in power systems. However, the intermittent nature of renewable generation makes market interactions of aggregators difficult to monitor and regulate, raising concerns about potential market manipulation by aggregators. In this paper, we study this issue by quantifying the profit an aggregator can obtain through strategic curtailment of generation in an electricity market. We show that, while the problem of maximizing the benefit from curtailment is hard in general, efficient algorithms exist when the topology of the network is radial (acyclic). Further, we highlight that significant increases in profit are possible via strategic curtailment in practical settings.

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Geographic Market Definition under the U. S. Department of Justice Merger Guidelines

Cited by 130 publications

References 13 publications

Antitrust and Competition in Health Care Markets

Antitrust and Competition in Health Care Markets

Określanie Zasięgu Geograficznego Rynku Cukru Z Wykorzystaniem Metody Elzinga−hogarty

Opportunities for Price Manipulation by Aggregators in Electricity Markets

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