1. Computing robust standard errors for within-groups estimators;Arellano;Oxford Bulletin of Economics and Statistics,1987
2. Some tests of specification for panel data: Monte Carlo evidence and an application to employment equations;Arellano;Review of Economic Studies,1991
3. Ayuso, J., Repullo, R., 2000. A Model of the Open Market Operations of the European Central Bank. Paper presented at the conference on Central Bank Operations: Theory and Evidence, Frankfurt, 22–23 September, 2000.
4. ECB, 2000. The switch to variable rate tenders in the main refinancing operations. Monthly Bulletin of the European Central Bank July, 37–42.
5. Hämäläinen, S., 2000. The operational framework of the Eurosystem. Welcome Address at the ECB conference on The Operational Framework of the Eurosystem and Financial Markets, Frankfurt, 5–6 May, 2000 (see www.ecb.int).