This paper analyses an optimal two‐part licensing scheme based on ad valorem royalties within a differentiated Bertrand duopoly where the innovator is also the downstream producer, and compares it with the optimal two‐part per‐unit royalty mechanism. After showing that the optimal...

This paper proposes a formal model that analyzes the degree of openness chosen by start-ups when entering the software industry. In line with the literature, we label as degree of openness the extent to which software start-ups mix open source (OS) and proprietary solutions in the portfolio of...