In the search for methods of calculation of inventory, we find the so-called hybrid ACVs. Three of them are highlighted: Tiered hybrid approach, IO based approach and Integradted hybrid analysis. Are there other LCI hybrids?
I have experience in the input-output model based hybrid LCA. I think any model supports LCA or LCI can be a 'hybrid'. Do you want to classify these methods or choose the best one for your purpose?
The two most common methods are I-O based and Process based hybrid analysis. The selection of one them depend of the product or service to be analyzed. For example, in the Built Environment if you are going to perform the analysis of complex objects such as Buildings, I-O based hybrid would be your best option. However, if you are analyzing a single construction material, Process based (LCA) would be your option. Regards