@unpublished{publication-5407, author={Hoffmann, Mathias and Shcherbakova, Iryna}, institution={University of Zurich}, issn={1424-0459}, number={No. 363}, series={Working paper series / Institute for Empirical Research in Economics}, title={Consumption Risk Sharing over the Business cycle: the role of Small Firms' Access to Credit Markets}, year=2008, }