Revised and Better?

In the spirit of disseminating our latest edition of the manager response to online reviews paper, Alex and I have posted the current manuscript to SSRN for those who are interested. Let us know your thoughts via email. http://papers.ssrn.com/sol3/papers.cfm?abstract_id=2831402 Abstract: This manuscript investigates the externalities of managers’ responses (MR) to online reviews on popular travel … Continue reading Revised and Better?

Basic text analysis tutorial – string manipulations, basic sentiment analysis

The previous series of blogs documented how causal inference arguments (difference in differences, regression discontinuity design, and natural experiments) are applied in big data settings within the online reviews domain. This domain also happens to be a great setting to quantitatively analyze textual data. We have a corpus of nearly 18 million reviews for hotels … Continue reading Basic text analysis tutorial – string manipulations, basic sentiment analysis

Causal inference with big data – Part 2

Continuing with part 2 of the causal inference blog (read part 1 here), I want to examine 2 more examples of causal inference in the substantive sphere of online reviews. The first example is on research demonstrating managers’ manipulation of online reviews. The second example is on research demonstrating the externalities of public management response … Continue reading Causal inference with big data – Part 2