A very interesting analysis by Sandeep Sukhtantkar of how politicians benefit from control of firms. It uses the example of sugar mills in Maharashtra, India as a case in point. The article sheds light on how corporate connections of politicians help raise funds for elections and how the exchange between sugarcane farmers and politicians helps sustain pilferage.
You can find the paper here: http://www.aeaweb.org/articles.php?doi=10.1257/app.4.3.43