We document the presence of significant liquidity costs in Spanish sovereign debt auctions: the larger the auctioned amounts, the lower the issuance price relative to secondary market prices. Motivated by this evidence, we characterize the optimal debt-maturity management problem of a government...

Governments around the world have gone on a massive fiscal expansion in response to the Covid crisis, increasing government debt to levels not seen in 75 years. How will this debt be repaid? What role do conventional and unconventional monetary policy play? We investigate debt sustainability in...