Babic rosario 2016 Flashcards
study framework ewom dimensions 4x
platforms: latform type, ewom sender and messager, platform matrity, platform posting costs
metrics,
products: type, stage in product lfe cycle PLC
platform types
Platform types (e-commerce, review and social media platforms)
eWOM message details 3x
helpfulness rating & time stamp
visibility (e.g., number of scrolls needed to access eWOM)
structured display of eWOM
eWOM sender details 2x
homophily (e.g., avatar, profile page, geographic location)
trustworthiness (e.g., real names, duration of membership, contact information)
Financial risk:
when financial risk is high, consumers rely more on eWOM for assurance
Functional risk and EWOm 3x
sampling, purchase, or additional information is required in order to evaluate the quality of services (Zeithaml 1981)
for hedonic products eWOM helps consumers identify the products that best match their idiosyncratic preferences (Moe and Trusov 2011)
eWOM reduces uncertainty of new products (Moe and Trusov 2011)
What is the overall effect of eWOM on sales?
positive and not negligible
On which platforms to focus? 3x
e-commerce platforms; platforms with more homophily cues; more visible eWOM and less structured display of the information
For which products?
New products; products with higher financial risk
What is the best platform-product combination?
e-commerce sites & new products; asymmetric effects (e.g., on social media eWOM is more effective for services, but for services eWOM is not more effective on social media)
Which metric to focus on? 3x
eWOM volume (bandwagon effect), positive volume, variance; negative eWOM does not necessarily hurts sales but high variability does