Citation: Ashley, Richard et J. Verbrugge, Randal, Frequency dependence in regression model coefficients: an alternative approach for modeling nonlinear dynamic relationships in time series, Econometric reviews , 28(1-3), 2008, pp. 4-20
Citation: Ashley, Richard, Assessing the credibility of instrumental variables inference with imperfect instruments via sensitivity analysis, Journal of applied econometrics , 24(2), 2009, pp. 325-337