"The authors compare the two merger control systems currently employed worldwide: a mandatory system based on merger size threshold and a voluntary system with ex-post monitoring and fines. The voluntary system possesses two informational advantages: (i) the enforcement agency employs more...

There are an estimated 1.2 billion regular smokers in the world today, approximately one third of the global population over the age of 15, and the numbers are rising (World Health Organization 2002). Studies show that many smokers still do not know that tobacco causes disease and premature...