Noncomputability, unpredictability, undecidability, and unsolvability in economic and finance theories Kao, Ying-Fang ; Ragupathy, V. ; Velupillai, K. Vela ; Zambelli, Stefano Abstract Publication: Complexity Pub Date: September 2012 DOI: 10.1002/cplx.21410 Bibcode: 2012Cmplx..18a..51K