Macroeconomist whose work spans macroeconomics, labor economics and monetary and fiscal policy. RePEc lists a doctorate from Bonn (2001) and records him as deceased (19 May 2025).
This paper builds a Heterogeneous Agent New Keynesian (HANK) model with incomplete markets, capital, and nominal price/wage rigidities -- with a government budget constraint specified in nominal terms …
Solving the full dynamic Ramsey optimal-taxation problem (not just the welfare-maximizing steady state) in an Aiyagari (1995)-style incomplete-markets economy, this paper proves the long-run optimal …