The Marina Bay Sands, Singapore's second casino has finally received its license and opened last week.

It opened the first phase of the $5.5 billion resort which included 963 of the 2,560 hotel rooms, part of the shopping mall and restaurants, the convention and events centers as well as the casino.

The remaining parts of the complex is scheduled to open on June 23. For every investment, there will be cost and benefits not in terms of just money but also society issues. In the short term it might help boost Singapore's economy. How about in the long run?