Interior point methods in DEA to determine non-zero multiplier weights

Scope and purpose. This is a study on the generation of non-zero weights in DEA using interior point methods. The purpose is to generate these weights efficiently and in a manner that can be replicated independently. There is a clear demand for non-zero multiplier weights in DEA for use to price the attributes. We introduce new LP formulations specifically designed to provide access to the full set of multiplier weights at the DMU being scored.