http www agbioforum org default vol4no2ar8fulton htm agricultural biotechnology and industry structure murray fulton & konstantinos giannakas university of saskatchewan nebraska lincoln in the last ten years seed pesticide industries have undergone a substantial number structural changes these are due to factors some which common all specifically tied that is increasingly important chemical focus this paper on latter linkages horizontal mergers acquisitions can be linked r&d costs economies scale scope created by intellectual property rights regulatory while increased vertical connected product complementarity difficulty enforcing certain types other cases rise better defined has been factor joint ventures strategic alliances occurred pricing behavior large firms appears nature with being influenced competition from products value their there evidence