Which of the following claims are correct regarding a platform's launching stage? (there can be multiple correct answers) а. Amazon didn't have a chicken-or-egg problem when it launched Amazon...

Extracted text: Which of the following claims are correct regarding a platform's launching stage? (there can be multiple correct answers) а. Amazon didn't have a chicken-or-egg problem when it launched Amazon Marketplace because it used the divide- and-conquer strategy. b. In-house production can replace divide- and-conquer if the platform owenr is very talented in providing first-party content at a low cost. С. A platform can always make positive profits by subsidizing some users in order to build a crtical mass and monetizing on other users. d. Chicken-or-egg problems arise due to that all groups hold pessimistic beliefs about other groups' participation.