U.S. banking regulations and foreign banks' entry into the United States David A. Walker Journal of Banking & Finance 1983 7(4), 569-580
Economies of scale in electronic funds transfer systems David A. Walker Journal of Banking & Finance 1978 2(1), 65-78
A statistical analysis of the impact of monetary policy on credit union lending Ronald S. Koot; David A. Walker Journal of Banking & Finance 1980 4(3), 301-311