Final answer:
The country subtitled 'Inside the Land of Milk and Money' in a 2010 study is Switzerland. This country is renowned for its robust banking sector and financial markets.
Step-by-step explanation:
The country described as 'Inside the Land of Milk and Money' in a 2010 study is Switzerland (a). Switzerland is well-known for its prosperous banking and financial markets. It is part of one of the dominant economic core areas in the world, along with other high-income countries in the European Union. Moreover, the region has countries like Luxembourg, which boasts one of the highest GDP per capita in Europe and has transformed itself from a steel industry-based economy to a major financial center leading in private banking and insurance industries.