What is the effect of mergers and acquisitions to Chinese and UK companies?

By analyze the effect of mergers and acquisitions for several companies,estimate mergers and acquisitions activity hence operating performance of the firm. The research questions are: what is the effect of mergers and acquisitions to Chinese and UK companies? How did they performance after M&A period? Methods: use critical evaluation of existing literature and also the econometric analysis and financial ratio analysis. Data: data stream and Thomson ONE Banker. Resources: Liabory data and e-journals.