Value for money method

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The price-performance method is a further development of the utility value analysis . It is suitable for multi-criteria decisions.

Heinz Lothar Grob's price-performance model is intended to compensate for some deficits in the utility value analysis, such as the constancy of the marginal utility, the lack of dimensions in the result of the utility value analysis, the independence of the incoming criteria and the global perspective of the criteria.

The model consists of two sub-systems, price planning and service planning, and can be calculated using linear programming . The price-performance model is a bridge between normative and descriptive decision theory, because instead of monetary target values ​​( TCO-VOFI ), corresponding safety equivalents can also be used ( Bernoulli risk benefit theory ).

The name is intended to reflect the practical problem of the appropriate price-performance ratio .

  • Price planning = procurement price (all payments are included in the project price ( price ))
  • Performance planning = claims are compared as optional or target values. The dimensions are retained. The claims can be formulated as equations or inequalities.
  • Primary objective: compliance with the requirements
  • Secondary objective: minimizing / maximizing target values.

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