This document discusses mergers and acquisitions. It outlines several reasons for mergers including economies of scale, efficiency improvements, and tax effects. It also describes different types of mergers such as horizontal, vertical, and conglomerate mergers. The document discusses methods for valuing companies including discounted cash flow valuation and comparative analyses. It provides details on payment methods for mergers including cash and stock payments. Finally, it discusses defensive strategies companies use both before and after acquisition bids.