The Central Economic Mathematical Institute of the Russian Academy of Sciences is an economic research institute located in Moscow. It focuses on economic theory, mathematical economics and econometrics. The CEMI was established in 1963 as an institute of the Academy of Sciences of the USSR, superseding the Laboratory of Economics and Mathematical Methods which had been founded by Vasily Sergeevich Nemchinov in 1958. In 1964 a branch of the institute was created in Tallinn, and in 1966 a Leningrad branch was established.