a. How large can your market share be before your merger is illegal?
b. WMI had 48.8 percent of the market. Did it have enough market power to set prices?
c. In merger cases, what issue is more important than market share?
Waste Management, Inc. (WMI) acquired Texas Industrial Disposal, Inc. (TIDI). Their combined market share of the trash collection business in Dallas was 48.8 percent. The trial court held that the merger was illegal and ordered WMI to divest itself of TIDI.