1. The ETF handbook;Abner,2016
2. Catching up, forging ahead, and falling behind;Abramovitz;The Journal of Economic History,1986
3. Catch-up and convergence in the postwar growth boom and after;Abramowitz,1994
4. Conventional mutual index funds versus exchange-traded funds;Agapova;Journal of Financial Markets,2011
5. A model of growth through creative destruction;Aghion;Econometrica,1992