The transition from fossil fuels to carbon-neutral energy sources is necessary to reduce greenhouse gas (GHG) emissions and combat climate change. Hydrogen (H2) provides a promising path to harness fossil fuels to reduce emissions in sectors such as transportation. However, regional economic...

The first chapter of this dissertation introduces the generalized minimum contrast estimator (GMC) with nonsmooth moment functions, which includes Empirical Likelihood, Exponential Tilting and Continuous Updating GMM as special cases. Based on empirical process theory, this chapter studies the...