RDP 2013-05: Liquidity Shocks and the US Housing Credit Crisis of 2007–2008 Equation (C7)

c o v ( S A L E S ¯ H A R E j , η j ) = c o v ( i = 1 N j w i j S A L E S H A R E i , η j ) = c o v ( S A L E S H A R E i , η j ) MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYfdmGievaebbnrfi fHhDYfgasaacH8srps0lbbf9q8WrFfeuY=Hhbbf9v8qqaqFr0xc9pk 0xbba9q8WqFfea0=yr0RYxir=Jbba9q8aq0=yq=He9q8qqQ8frFve9 Fve9Ff0dmeaabaqaciGacaGaaeqabaWaaeaaeaaakqaaeeqaaiaado gacaWGVbGaamODamaabmaabaGaam4uaiaadgeacaWGmbGaamyraiqa dofagaqeaiaadIeacaWGbbGaamOuaiaadweadaWgaaWcbaGaamOAaa qabaGccaGGSaGaeq4TdG2aaSbaaSqaaiaadQgaaeqaaaGccaGLOaGa ayzkaaGaeyypa0Jaam4yaiaad+gacaWG2bWaaeWaaeaadaaeWaqaai aadEhadaWgaaWcbaGaamyAaiaadQgaaeqaaOGaey4fIOcaleaacaWG PbGaeyypa0JaaGymaaqaaiaad6eadaWgaaadbaGaamOAaaqabaaani abggHiLdGccaWGtbGaamyqaiaadYeacaWGfbGaam4uaiaadIeacaWG bbGaamOuaiaadweadaWgaaWcbaGaamyAaaqabaGccaGGSaGaeq4TdG 2aaSbaaSqaaiaadQgaaeqaaaGccaGLOaGaayzkaaaabaGaeyypa0Ja am4yaiaad+gacaWG2bWaaeWaaeaacaWGtbGaamyqaiaadYeacaWGfb Gaam4uaiaadIeacaWGbbGaamOuaiaadweadaWgaaWcbaGaamyAaaqa baGccaGGSaGaeq4TdG2aaSbaaSqaaiaadQgaaeqaaaGccaGLOaGaay zkaaaaaaa@7378@