Hobijn, B.

convergence country level table cluster result 1.00 indicator stationarity unit roots capita franse time series series convergence clubs trend statistic hobijn capita income levels .04 sample regression process cluster algorithm growth income 2000 john wiley bandwidth .06 model value section franses / test statistic landen distribution equation .00 hypothesis test statistics kpss test algorithm supply property paper   t bandwidth selection procedure method calorie supply alternative kernel consistency signi penn world table 0.10 level stationarity 0.05 0.01 growth rates world procedure dynamic selection achievement order variation variance change expectancy non-seasonal unit roots productivity wiley mortality capita income calorie infant parameter choice 171–200 journal