Not officials,locals." Oliver Williamson has studied big companies and found that they often are better than markets at doing complex jobs.

VOA: special.2009.10.16

The FBI has studied how "Top Ten" criminals have been caught over the past twenty years.

VOA: special.2010.05.05

Anyone who has studied American history knows that the United States is a democracy.

VOA: special.2009.12.14

Dr.Anond Snidvongs, who has studied climate change for more than a decade, has analyzed storm data over the past 60 years.

VOA: standard.2009.12.21

Mister Rockower has traveled and studied outside the United States since he was a teenager.

VOA: special.2009.11.20