Answer:
A. Time series
B. Cross Sectional
C. Panel
D. Cross Sectional
Explanation:
(a) Quarterly data on the level of U.S. new housing construction from 2000 to 2018, Time series data, numerical
(b) Data on number of doctor visits in 2018 for a sample of 192 individuals. Cross sectional data, numerical
(c) Data on annual health expenditures for each U.S. state from 2000 to 2018. Panel Data, Numerical
(d) Data on usual mode of transportation used to commute to work for a sample of 151 individuals. Categorical
<span>to obtain a product from another country </span>
Answer:
leveraging a firm's customers to promote a product or service
Explanation:
Viral promotion is a form of marketing in which a good or service is promoted using a firms' social network,
For example, if a firm is about to launch a new product and it wants to do a viral promotion, it would make use of the firms existing customers to promote the good