Fair Trade Law Q&A - Merger

What is meant by a "merger" under the Fair Trade Act? Is the concept of merger under the Fair Trade Act equivalent to that under the Company Act?
Do all the mergers and acquisitions between enterprises need to file a pre-merger notification to the FTC?
The Fair Trade Law addresses numerous types of mergers. Where filing is duly required for a particular merger, which company is responsible for filing?
What criteria does the Fair Trade Commission consider when making decisions on merger filings?
Can businesses conduct mergers immediately after filing with the Fair Trade Commission?