工作论文吗还是已经发表的啊

Alfred Mau遪er

   16 January 2008
   25 January 2008 (cubic spline interpolation added)
   26 January 2008 (modified policy iterations with sparse matrix routines)
   
   Test various ways to obtain the solution of the infinite horizon Ramsey model
   of Heer and Maussner, 2nd, ed. via value function iteration.