Higher rates are already contributing to an increase in foreclosures.

Over the last year or so the wealth effect from a rising stock market has contributed to a sharp increase in consumer spending.

It contributed to a sharp increase in college attendance and graduation rates for women.

Did all of these things contribute to an alarming increase in divorce?

Has this subsidy contributed to an increase in the number of years it takes to graduate?

Until recently, federal officials did not acknowledge that the 1996 welfare law was contributing to an increase in the uninsured.

Over the years land reclamation has contributed to an increase in the size of the islands.

Replacing trees with buildings and concrete can contribute to an increase in air pollution, a new study says.

Between 2000 and 2008 this appears to have contributed to an increase in physiotherapy costs of 214%.

By looking for innovative solutions, we contribute to an increase in the well-being of society.