The Great Recession ended more than seven years ago, but it had a profound impact on spending habits of US consumers, according to results of a new study by McKinsey & Company. Although fewer American consumers are feeling economic pressure today than at any time since 2008, only 20% of Americans expressed optimism about the country’s economy. That number has shown little improvement since 2011, when 18% of respondents said they were optimistic about the nation’s economic prospects. CPG com...