readme file - data descriptions

ms_yelp and tripadvisor.dta
raid: restaurant id
Rating: overall rating
Sequence: the month of the rating since 2015
Treat: dummy variable, =1 if tripadvisor, =0 if yelp
Post: dummy variable, =1 if after system change, =0 if before system change
Posttreat: interaction term of treat and post
deviation: the absultue difference between current rating and previously observed average overall rating
lognum: log transformation of the total number of previous ratings
half1-half4: 1-4 half year(s) after the system change
half1b-half4b: 1-4 half year(s) before the system change
treat1-treat4: the interaction term(s) of treat and half1-half4
treat1b-treat4b: the interaction term(s) of treat and half1b-half4b

ms_tripadvisor.dta
raid: restaurant id
reviewerid: reviewer id
Rating: overall rating
Sequence: the month of the rating since 2015
Onetime: dummy variable, =0 if the reviewer has more than 1 reviews, =1 if the review is a onetime reviewer
N(logn): (log transformation of) total number of reviews of a reviewer
lognum: log transformation of the total number of previous ratings
logmulti: log transformation of the total number of previous dimensional ratings
Multi: dummy variable, =0 if the reviewer only provides an overall rating, =1 if the reviewer provides dimensional ratings as well as the overall rating
Multilogn: the interaction term of multi and logn
Reviewerbothsdmd: dummy variable,=1 if the reviewer provides both sd and md ratings
Post: set to 1 if it is after TripAdvisor implemented MD system


