This paper investigates the informational efficiency of green bond markets using a recently introduced quantitative measure for market inefficiency. The methodology assesses the deviation of observed asset price behavior from the Random Walk benchmark, which represents an efficient market. The...

We exploit the Fed's Treasury purchases conducted from March 2020 to March 2022 to assess whether asset purchases can be tailored to accomplish different objectives: restoring market functioning and providing stimulus. We find that, on average, flow effects are significant in the...