Seminario de matemática aplicada 
 
 
RISK-SHARING WITH A CENTRAL
 AUTHORITY: FREE-RIDING, LACK OF
 COMMITMENT, AND BAIL-OUTS
 
SPEAKER: Matthias Kredler 
(UC3M)
 
DATE: Thursday, 28 March 2019 - 17:30
VENUE: Aula 320, Departamento de Matemáticas, UAM
 
ABSTRACT: Agents with independent risks (regions) often create unions and
 delegate re-distributive power to a central institution (center), which provides
 risk-sharing through transfers. How- ever, there is the risk that regions free-ride on
 each other; this risk may be exacerbated when the center cannot commit to future
 policies. This problem is particularly present in fiscal federations. We study a
 differential game of two regions that make savings decisions and a benevolent center
 that sets transfers but lacks commitment. When transfers are costless, we find two
 kinds of equilibria. In the first, the center immediately expropriates the less- liked
 region. In the second, the center provides a smooth transfer schedule and regions’
 bankruptcy can be avoided; this second equilibrium exists only in the knife-edge case
 that the center puts exactly the same welfare weights on both regions. When
 transfers are costly, one region always ends up bankrupt and the center provides
 what resembles a bailout: as the poor regions enters bankruptcy, there is an upward
 jump in transfers to the poor region that coincides with a downward discontinuity in
 the poor region’s consumption. Joint work with Ruben Veiga Duarte.
 
Localización DATE: Thursday, 28 March 2019 - 17:30 VENUE: Aula 320, Departamento de Matemáticas, UAM