As digital transformation has accelerated, the e-commerce landscape has become increasingly dynamic. New players have emerged at the same time that established actors have taken on new roles; some barriers to e-commerce at the firm, individual and country levels have been overcome, while other...

This comprehensive survey of renewable energy RD&D is intended to provide guidance for the mid- and long-term development of renewable energy technologies. RD&D investment in renewable energy technologies has declined over the past 18 years. At the same time, market deployment funding has...