How Is the Economy Doing? It May Depend on Your Party, and $1

When survey respondents were offered a small cash reward — a dollar or two — for producing a correct answer about the unemployment rate and other economic conditions, they were more likely to be accurate and less likely to produce an answer that fit their partisan biases.
In other words, when money was added to the equation, questions about the economy became less like asking people which football team they thought was best, and more like asking them to place a wager.