Notes, Comments and Preliminary results May 31 2019 Katarina R.I. Keller   The effects of private social security accounts on economic growth in Eastern Europe   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result   May 23 2005 Katarina R. I. Keller and Panu Poutvaara   Growth in OECD countries and elsewhere: how much do education and R&D explain?   Abstract  Contact Information  Citation  Full Text  -  Note