Optimal security design (with John Geanakoplos) desndebt.pdf 

Intergenerational risk sharing when markets are incomplete (with Dirk Krueger) socsecrev.pdf, Check also our papers-and-proceedings paper on this: kkpp.pdf

Incomplete markets and transitory shocks (with Karl Schmedders) 1285.pdf

Ex ante risk in olg economies (with Piero Gottardi) eass.pdf

Risk-sharing and default (with Karl Schmedders) ks5.pdf