As a bottleneck step in electrochemiccal water spitting, oxygen evolution reaction (OER) seriously limits the development of large-scale electrochemical hydrogen production. Rational design and development of an efficient and stable OER electrocatalysts are of enormous importance but still...

We analyze the spillover effect of fixed asset investment incentive on firm innovation by estimating the influence of China's value-added tax reform in 2004 with a difference-in-difference-in-differences (DDD) approach. We find that fixed asset investment incentive significantly reduces firm...