Michigan's economy underwent a transformation at the turn of the 20th century.

Although the Polish economy is currently undergoing economic development, there are many challenges ahead.

Since the early 1990's the state's economy has undergone dramatic changes.

Most importantly, the economy underwent a fundamental change in character.

"The economy is not undergoing a sustainable recovery," he said.

Quebec's economy has undergone tremendous changes over the last decade.

The Chinese economy underwent a somewhat limited industrialization during this period.

The mark went to $3.45 from about $1.70, largely because the American economy underwent a powerful growth spurt between 1983 and 1985.

Following the crisis, the Turkish economy underwent a structural transformation.

Over the past 5 years, the region's economy has undergone drastic changes, which have placed new demands on the transportation system.