Table 4 . Mean efficiency scores derived from Cobb-Douglas fixed effects model for hospitals 1999–2011 .

Hospital’s name	Years													Mean
	1999	2000	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011
Arash	0.899	0.842	0.799	0.739	0.768	0.755	0.779	0.873	0.828	0.846	0.833	0.786	0.806	0.812
Valiasr	0.911	0.896	0.927	0.859	0.860	0.785	0.713	0.816	0.683	0.668	0.708	0.752	0.754	0.795
Farabi	0.634	0.754	0.732	0.732	0.719	0.652	0.772	0.885	0.905	0.913	0.944	0.845	0.846	0.795
Mirza Koochak Khan	0.783	0.742	0.855	0.898	0.651	0.753	0.792	0.661	0.571	0.533	0.705	0.794	0.722	0.728
Sina	0.536	0.866	0.766	0.674	0.862	0.786	0.861	0.485	0.573	0.603	0.691	0.786	0.792	0.714
Ziaeeyan	0.677	0.614	0.620	0.535	0.594	0.551	0.583	0.657	0.665	0.669	0.661	0.791	0.568	0.630
Imam Khomeini	0.507	0.499	0.473	0.470	0.586	0.576	0.647	0.703	0.690	0.691	0.702	0.723	0.713	0.614
Bahrami	0.543	0.663	0.498	0.147	0.512	0.450	0.478	0.545	0.501	0.555	0.592	0.727	0.793	0.539
Children Hospital	0.576	0.364	0.369	0.412	0.417	0.355	0.348	0.482	0.485	0.587	0.717	0.731	0.809	0.512
Shariati	0.827	0.416	0.377	0.407	0.380	0.366	0.367	0.505	0.400	0.370	0.492	0.549	0.519	0.460
Razi	0.264	0.218	0.234	0.228	0.258	0.229	0.206	0.214	0.194	0.204	0.292	0.634	0.696	0.298
Roozbeh	0.171	0.147	0.141	0.149	0.144	0.150	0.183	0.211	0.198	0.211	0.171	0.537	0.558	0.229
Mean	0.610	0.585	0.565	0.520	0.562	0.534	0.560	0.586	0.577	0.570	0.625	0.721	0.714	0.594