Noted economist and Nobel laureate Paul Krugman recently highlighted the change in perceptions relating to the US economy, despite initial skepticism. What Happened: On Thursday, Paul Krugman tweeted, “A year ago those of us who said that Americans declaring that the economy was terrible also felt pretty good about their own situation were ridiculed. Now it’s becoming conventional wisdom”. Krugman also said in a separate post, “The Atlanta Fed measure of business inflation expectations — a better predictor than consumer expectations, more relevant to price-setting than financial markets — is i…