1. Allers, M., & Elhorst, P. (2005). Tax mimicking and yardstick competition among local governments in the Netherlands. International Tax and Public Finance, 12, 493–513.
2. AOO (2004). Eerste hulp bij discussie over DIFTAR.
3. Ashworth, J., Geys, B., & Heyndels, B. (2006). Determinants of tax innovation: The case of environmental taxes in Flemish municipalities. European Journal of Political Economy, 22, 223–247.
4. Baltagi, B. H., LeSage, J. P., & Pace, R. K. (2017). Spatial Econometrics: Qualitative and limited dependent variables (advances in econometrics) (Vol. 37). Bingley: Emerald Group Publishing Limited.
5. Besley, T., & Case, A. (1995). Incumbent behavior: Vote-seeking, tax-setting, and yardstick competition. American Economic Review, 85, 25–45.