...relevant market and which results in significant increase in concentration of firms in that ' [305] market is so inherently likely to lessen competition substantially that it must be enjoined in absence of evidence clearly showing that merger is not likely to have such anticompetitive effects....

...effects. Specifically, we think that a merger which produces a firm controlling an undue percentage share of the relevant market, and results in a significant...competition substantially that it must be enjoined in the Initial Decision 93 FTC absence of evidence clearly showing that the merger is not likely to have tuch...

...the Supreme Court stated that "a merger which produces a firm controlling an undue percentage share of the relevant market, and results in a significant...not likely to have such anticompetitive effects." I2 Where a market shows a trend toward concentration, a combination of relatively small market shares...

...significant increase in concentration in that market, is so inherently likely to lessen competition that it must be enjoined in the absence of evidence...is not likely to have such anticompetitive effects. Without specifying the smallest share that would be considered such a threat to competition, the Court...

...reflecting a presumption of illegality where a merger "produces a firm controlling an undue percentage share of the relevant market, and results in a significant...increase in the concentration of firms in that market. "*• The rationale stated by the Court for finding such a merger to be prima facie illegal is that...

...effects. Specifically, we think that a merger which produces a firm controlling an undue percentage share of the relevant market, and results in a significant...is not likely to have such anticompetitive effects. 3 ' The traditional structuralist approach epitomized in Philadelphia Bank held sway during the balance...

...effects. Specifically, we think that a merger which produces a firm controlling an undue percentage share of the relevant market, and results in a significant...merger is not likely to have such anticompetitive effects.809 While the Court did not specify the size range that would constitute an "undue percentage...

...which produces a firm controlling on undue percentage share of the relevant market, and results in c significant increase in the concentration of firms...merger is not likely to have such anticompetitive affects. " 47 Cornina Glass Works v. Brennan, 427 US 188. 196(1974) 48 Georgia v. United States, 411...

...Bank. 374 US 321, 363 (1963): "[A] merger which produces a firm controlling on undue percentage share of the relevant market, and results in a significant increase in the concentration of fins in that market, is so inherently likely to lessen competition substantially that it must be enjoined...

...effects. Specifically, we think that a merger which produces a firm controlling an undue percentage share of the relevant market, and results in a significant...is not likely to have such anticompetitive effects. Such a test lightens the burden of proving illegality only with respect to mergers whose size makes...