This study documents the existence and prevalence of the “review updating” phenomenon, where consumers change the ratings and content of their existing reviews, and examines its implications for platforms and businesses. Using both primary and secondary data, a dataset comprising 3 million...

In socio-economic sciences the RePEc network (Research Papers in Economics) has become an essential source for the gathering and the spread of both existing and new economic research. Furthermore, it is currently the largest bibliometric database in economic sciences containing 33 different...

In this paper, we propose a framework to evaluate the information content of subjective expert density forecasts using micro data from the ECB's Survey of Professional Forecasters (SPF). A key aspect of our analysis is the use of scoring functions which evaluate the entire predictive densities,...

Consider a principal who appoints an agent. Let the agent potentially serve for a sufficiently long time that one principal is replaced by another over this period. Suppose also that the quality of the agent appointed increases with the effort the incumbent principal devotes to hiring. Then the...

Value-added data are an increasingly common evaluation tool for schools and teachers. Many school districts have adopted these methods and released the results publicly. In this paper, we study the release of value-added data in Los Angeles by the Los Angeles Times newspaper to identify how...

Should principals explain and justify their evaluations? Suppose the principal's evaluation is private information, but she can provide justification by sending a costly cheap-talk message. If she does not provide justification, her message space is restricted, but the message is costless. I...

Strong forces lead to a withering of academia as it exists today. The major causal forces are the rankings mania, increased division of labor in research, intense publication pressure, academic fraud, dilution of the concept of "university" and inadequate organizational forms for modern...

In this paper we ague that any meaningful bibliometric evaluation of researchers needs to take into account that research productivity follows distinct life cycles. Using an encompassing data set portraying the research behavior of German academic economists, we first show that research...