Are you mainly concerned about the quality of the data that is collected, or the econometric methods that are applied to them, or the way in which respondents a

Are you mainly concerned about the quality of the data that is collected, or the econometric methods that are applied to them, or the way in which respondents are sampled? I think that the direction that is promising is combining data sets like those that are built up at Amazon with administrative data that come from other sources. It is a combination of such data sets that opens up answers to important research questions. But I am doubtful that Amazon wants to fund the pursuit of such questions. That is not what will increase shareholder value.