The government-driven knowledge network of the hydrogen energy sector in Korea provides a good case study for an R&D network incorporating necessary building blocks; it can be regarded as a precursor to an emerging sector even before business relationships form, especially one which involves...

Shadow price is one of the most important pieces of information in environmental decision making. Two different approaches—namely, economic and engineering—have been applied to obtain the shadow price of undesirable outputs, while using different methodological backgrounds and perspectives....