The opioid crisis in the United States has resulted in a dramatic increase in overdose deaths in the last two decades. This crisis has created an economic ripple that has affected an important engine of growth: research and development (R&D). Using patent data from the United States Patent and...

A striking and unexpected feature of the financial crisis has been the sharp appreciation of the US dollar against virtually all currencies globally. The paper finds that negative US-specific macroeconomic shocks during the crisis have triggered a significant strengthening of the US dollar,...