Nine potato cultivars were field-grown to determine relative growth rate (RGR), crop growth rate (CGR) and tuber growth rate (TGR) in order to ascertain which of these parameters, namely leaf area ratio (LAR), specific leaf area (SLA), leaf mass ratio (LMR), leaf area index (LAI) and net...

In this paper we develop a long run macroeconomic model for Austria to simulate the effects of aging on employment, output growth, and the solvency of the social security system. By disaggregating the population into six age cohorts and modelling sex specific participation rates for each cohort,...