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The Economics Of Deal Risk: Allocating Risk Through Mac Clauses In Business Combination Agreements, Robert T. Miller

Working Paper Series

In any large corporate acquisition, there is a delay between the time the parties enter into a merger agreement (the signing) and the time the merger is effected and the purchase price paid (the closing). During this period, the business of one of the parties may deteriorate. When this happens to a target company in a cash deal, or to either party in a stock-for-stock deal, the counterparty may no longer want to consummate the transaction. The primary contractual protection parties have in such situations is the merger agreement’s “material adverse change” (MAC) clause. Such clauses are heavily negotiated and …