When does a conflict of interest exist in the research environment?

When a researcher’ professional obligations interfere with
      his/her personal interests.
When a researcher’s personal interests inherently conflict with
      his/her professional obligations.
When external demands impede the researcher’s ability to fulfill   
      his/her obligations to the institution that employs him/her and/or
      the grant(s) through which he/she is funded.
When an individual’s professional obligations compete, such as
      research and teaching.