Niobium is a highly strategic mineral, in which Brazil holds almost all of the world's reserves followed by Canada. Niobium has an important role in steel alloys for the aerospace industry and future potential for the industry's superconductors. The present paper investigates the prevailing...

We study the equilibrium effects of the "S" dimension of ESG under imperfect competition in labor or product markets. We model ESG policies as constraints that boards place on managers to treat their stakeholders well. "Doing Well by Doing Good" holds for moderate ESG policies, which are...

We develop a structural framework that allows us to quantify the evolution of aggregate bilateral trade costs and markups over time. With minimal assumptions, we can disentangle aggregate markup and trade cost changes from observed changes in trade flows. We apply our method to trade data...