The inevitable conclusion is that price and quality generally have a loose correlation.

FORBES: Connect

Bill Vogt and Robert Town conducted a comprehensive survey of the literature in 2006, and found that there is no apparent correlation between mergers and health-care quality.

FORBES: Goal of the NYU-Continuum Hospital Mega-Merger: Raising Prices

Justices also ignored mountainous research showing there is no correlation between the amount of money spent and the quality of education received.

FORBES: Fact and Comment

Additionally, correlation creates considerable investment prospects as the market does not differentiate between quality and junk.

FORBES: Opportunity Knocks

Jonathan and others seem to believe that there is a direct correlation to the amount you spend on a government program and its quality.

FORBES: Obamacare's Problem: The Rich Don't Have Enough Money

Once the data was amassed, the correlation became clear: when coauthors were closer together, their papers tended to be of significantly higher quality.

NEWYORKER: Groupthink