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 …

of the problem of choosing an aggregative model optimally for modes of aggregation specified in advance leads to a … formula for the aggregation bias based on the mean-square forecast error. Taking this formula as objective function one would … wish to choose a grouping that minimizes aggregation bias. Unfortunately this results in an optimization problem of a high …

group. The analysis of the problem of choosing an aggregative model optimally for modes of aggregation specified in advance … leads to a formula for the aggregation bias. Taking this formula as objective function one would wish to choose a grouping … that minimizes aggregation bias. Unfortunately this results in an optimization problem of a high degree of complexity …

forces of the forecast and hence enables the interpretability of the forecast outcome. -- Contemporaneous aggregation … Aggregation ; Nowcasting ; Frühindikatoren ; MIDAS ; Prognosekombination ; Prognoseevaluation …

statistical aggregation procedure which allows for worker heterogeneity in observables and unobservables and is applicable to an …