-agriculture. Standard aggregation procedures ignore the variability within sectors, and underweight the importance of highly protected … that using optimal aggregation procedures increases the measured importance of agricultural trade reform relative to non …

This paper considers the problem of aggregation in the case of large linear dynamic panels, where each micro unit is … Pesaran (2003), an optimal aggregate function is derived, and the limiting behavior of the aggregation error is investigated … which 'observed' inflation persistence at the aggregate level is due to aggregation and/or common unobserved factors. Our …

Many contemporaneously aggregated variables have stochastic aggregation weights. We compare different forecasts for … and the aggregation weights, and a forecast which aggregates univariate forecasts for individual disaggregate components … and the aggregation weights. In empirical illustrations based on aggregate GDP and money growth rates, we find forecast …

aggregation methods are compared, based on the magnitude of aggregated tariffs or the aggregated quota rent. …

of component indicators, aggregation vs. multiplication, and issues related to weighting. A thorough analysis of the …