A case study focuses on a single individual, a small group of people, or occasionally a single event. You'll be conducting qualitative research to find specific details and descriptions of how your subject is affected. 1  For example, a medical case study might study how a single patient is affected by an injury.ou may be asked to prove that the case study does no harm to its participants. 1  Follow this step even if you are conducting a retrospective case study. 2  In some cases, publishing a new interpretation can cause harm to the participants in the original study.
Formula or Equation Note. The incremental capital output ratio (ICOR) is defined as the ratio between investment in some previous period(s) and the growth in output in the subsequent period.Needless to say, ICOR calculation is based on constant price data.ormula or Equation Note. The incremental capital output ratio (ICOR) is defined as the ratio between investment in some previous period(s) and the growth in output in the subsequent period. Needless to say, ICOR calculation is based on constant price data.
The productivity ratio is a fraction of output over input. Output is the amount produced by a person, machine, business or industry. Input is what is put into a process, system or business, usually to produce a profit. When you use the formula (output/input) for the productivity ratio, you must use numerical values for output and input.